Run ID | 作者 | 问题 | 语言 | 测评结果 | Time | Memory | 代码长度 | 提交时间 |
---|---|---|---|---|---|---|---|---|
118847 | 杜禹轩 | 07交换数据II | C++ | Compile Error | 0 MS | 0 KB | 325 | 2025-05-10 15:30:33 |
#include<bits/stdc++.h> using namespace std; int main(){ /** char a; cin>>a; if(a=='Y'){ cout<<'A'; }else{ if(a=='Z'){ cout<<'B'; }else{ cout<<char(a+2); }**/ int a,b; cin>>a>>b; if(a>b){ cout<<b>>""<<; }else{ cout<<a<<b; } return 0; }
Main.cc: In function 'int main()': Main.cc:20:11: error: no match for 'operator>>' (operand types are 'std::basic_ostream' and 'const char [1]') cout<>""<<; ^ In file included from /usr/include/c++/5/string:53:0, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from Main.cc:1: /usr/include/c++/5/bits/basic_string.tcc:1441:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator>>(basic_istream<_CharT, _Traits>& __in, ^ /usr/include/c++/5/bits/basic_string.tcc:1441:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/istream:934:0, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from Main.cc:1: /usr/include/c++/5/bits/istream.tcc:955:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*) operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s) ^ /usr/include/c++/5/bits/istream.tcc:955:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/istream:934:0, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from Main.cc:1: /usr/include/c++/5/bits/istream.tcc:923:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&) operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c) ^ /usr/include/c++/5/bits/istream.tcc:923:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/sstream:38:0, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from Main.cc:1: /usr/include/c++/5/istream:756:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, unsigned char&) operator>>(basic_istream& __in, unsigned char& __c) ^ /usr/include/c++/5/istream:756:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream' cout<>""<<; ^ In file included from /usr/include/c++/5/sstream:38:0, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from Main.cc:1: /usr/include/c++/5/istream:761:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, signed char&) operator>>(basic_istream& __in, signed char& __c) ^ /usr/include/c++/5/istream:761:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream' cout<>""<<; ^ In file included from /usr/include/c++/5/sstream:38:0, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from Main.cc:1: /usr/include/c++/5/istream:803:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, unsigned char*) operator>>(basic_istream& __in, unsigned char* __s) ^ /usr/include/c++/5/istream:803:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream' cout<>""<<; ^ In file included from /usr/include/c++/5/sstream:38:0, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from Main.cc:1: /usr/include/c++/5/istream:808:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, signed char*) operator>>(basic_istream& __in, signed char* __s) ^ /usr/include/c++/5/istream:808:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream' cout<>""<<; ^ In file included from /usr/include/c++/5/sstream:38:0, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from Main.cc:1: /usr/include/c++/5/istream:924:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x) ^ /usr/include/c++/5/istream:924:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/ccomplex:38:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from Main.cc:1: /usr/include/c++/5/complex:493:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::complex<_Tp>&) operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x) ^ /usr/include/c++/5/complex:493:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:505:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:505:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:898:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::uniform_int_distribution<_IntType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:898:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:960:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::uniform_real_distribution<_IntType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:960:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:2147:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::cauchy_distribution<_RealType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:2147:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:49:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.h:3594:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::bernoulli_distribution&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.h:3594:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:1925:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::normal_distribution<_RealType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:1925:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:1104:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::geometric_distribution<_IntType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:1104:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:2469:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::gamma_distribution<_RealType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:2469:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:1754:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::exponential_distribution<_RealType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:1754:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:2546:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::weibull_distribution<_RealType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:2546:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:2622:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::extreme_value_distribution<_RealType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:2622:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:178:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::linear_congruential_engine<_UIntType, __a, __c, __m>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:178:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:657:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::subtract_with_carry_engine<_UIntType, __w, __s, __r>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:657:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:725:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::discard_block_engine<_RandomNumberEngine, __p, __r>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:725:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:856:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::shuffle_order_engine<_RandomNumberEngine, __k>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:856:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:1220:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::negative_binomial_distribution<_IntType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:1220:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:1425:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::poisson_distribution<_IntType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:1425:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:1693:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::binomial_distribution<_IntType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:1693:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:1988:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::lognormal_distribution<_RealType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:1988:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:2060:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::chi_squared_distribution<_RealType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:2060:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:2225:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::fisher_f_distribution<_RealType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:2225:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:2299:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::student_t_distribution<_RealType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:2299:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:2761:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::discrete_distribution<_IntType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:2761:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:2976:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::piecewise_constant_distribution<_RealType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:2976:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from Main.cc:1: /usr/include/c++/5/bits/random.tcc:3192:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::piecewise_linear_distribution<_RealType>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, ^ /usr/include/c++/5/bits/random.tcc:3192:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:65:0, from Main.cc:1: /usr/include/c++/5/bitset:1462:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::bitset<_Nb>&) operator>>(std::basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x) ^ /usr/include/c++/5/bitset:1462:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from Main.cc:1: /usr/include/c++/5/iomanip:71:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Resetiosflags) operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f) ^ /usr/include/c++/5/iomanip:71:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from Main.cc:1: /usr/include/c++/5/iomanip:101:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setiosflags) operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f) ^ /usr/include/c++/5/iomanip:101:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from Main.cc:1: /usr/include/c++/5/iomanip:132:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setbase) operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f) ^ /usr/include/c++/5/iomanip:132:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from Main.cc:1: /usr/include/c++/5/iomanip:170:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setfill<_CharT>) operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f) ^ /usr/include/c++/5/iomanip:170:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from Main.cc:1: /usr/include/c++/5/iomanip:200:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setprecision) operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f) ^ /usr/include/c++/5/iomanip:200:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from Main.cc:1: /usr/include/c++/5/iomanip:230:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setw) operator>>(basic_istream<_CharT, _Traits>& __is, _Setw __f) ^ /usr/include/c++/5/iomanip:230:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from Main.cc:1: /usr/include/c++/5/iomanip:264:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_money<_MoneyT>) operator>>(basic_istream<_CharT, _Traits>& __is, _Get_money<_MoneyT> __f) ^ /usr/include/c++/5/iomanip:264:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from Main.cc:1: /usr/include/c++/5/iomanip:418:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_time<_CharT>) operator>>(basic_istream<_CharT, _Traits>& __is, _Get_time<_CharT> __f) ^ /usr/include/c++/5/iomanip:418:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'std::basic_istream<_CharT, _Traits>' cout<>""<<; ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from Main.cc:1: /usr/include/c++/5/bits/valarray_after.h:411:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right) ^ /usr/include/c++/5/bits/valarray_after.h:411:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' cout<>""<<; ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from Main.cc:1: /usr/include/c++/5/bits/valarray_after.h:411:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&) _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right) ^ /usr/include/c++/5/bits/valarray_after.h:411:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' cout<>""<<; ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from Main.cc:1: /usr/include/c++/5/bits/valarray_after.h:411:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator>>(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right) ^ /usr/include/c++/5/bits/valarray_after.h:411:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'const char [1]' cout<>""<<; ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from Main.cc:1: /usr/include/c++/5/bits/valarray_after.h:411:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray&) _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right) ^ /usr/include/c++/5/bits/valarray_after.h:411:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' cout<>""<<; ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from Main.cc:1: /usr/include/c++/5/bits/valarray_after.h:411:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator>>(const std::valarray&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right) ^ /usr/include/c++/5/bits/valarray_after.h:411:5: note: template argument deduction/substitution failed: Main.cc:20:13: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'const char [1]' cout<>""<<; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from Main.cc:1: /usr/include/c++/5/valarray:1176:1: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator>>(const std::valarray<_Tp>&, const std::valarray<_Tp>&) _DEFINE_BINARY_OPERATOR(>>, __shift_right) ^ /usr/include/c++/5/valarray:1176:1: note: template argument deduction/substitution failed: Main.cc:20:13: note: 'std::basic_ostream' is not derived from 'const std::valarray<_Tp>' cout<>""<<; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from Main.cc:1: /usr/include/c++/5/valarray:1176:1: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator>>(const std::valarray<_Tp>&, const _Tp&)