Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
124404 陈梓钒 18统计成绩 C++ Compile Error 0 MS 0 KB 332 2025-07-11 12:12:24

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int a[105]; int main(){ int n,a; int s=0; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; s += a[i]; } cout<<s<<" "; printf("%.2lf",s*1.0/n); for(int i=1;i<=n;i++){ if(max<a[i]) max = a[i]; if(min>a[i]) min = a[i]; } cout<<max<<" "<<min<<endl; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:9:11: error: invalid types 'int[int]' for array subscript
   cin>>a[i];
           ^
Main.cc:10:11: error: invalid types 'int[int]' for array subscript
   s += a[i];
           ^
Main.cc:15:13: error: invalid types 'int[int]' for array subscript
   if(maxa[i]) min = a[i];
             ^
Main.cc:16:25: error: invalid types 'int[int]' for array subscript
   if(min>a[i]) min = a[i];
                         ^
Main.cc:18:6: error: no match for 'operator<<' (operand types are 'std::ostream {aka std::basic_ostream}' and '')
  cout<::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ostream_type& (*)(std::basic_ostream<_CharT, _Traits>::__ostream_type&)) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(__ostream_type& (*__pf)(__ostream_type&))
       ^
/usr/include/c++/5/ostream:108:7: note:   no known conversion for argument 1 from '' to 'std::basic_ostream::__ostream_type& (*)(std::basic_ostream::__ostream_type&) {aka std::basic_ostream& (*)(std::basic_ostream&)}'
/usr/include/c++/5/ostream:117:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ios_type& (*)(std::basic_ostream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream; std::basic_ostream<_CharT, _Traits>::__ios_type = std::basic_ios]
       operator<<(__ios_type& (*__pf)(__ios_type&))
       ^
/usr/include/c++/5/ostream:117:7: note:   no known conversion for argument 1 from '' to 'std::basic_ostream::__ios_type& (*)(std::basic_ostream::__ios_type&) {aka std::basic_ios& (*)(std::basic_ios&)}'
/usr/include/c++/5/ostream:127:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(ios_base& (*__pf) (ios_base&))
       ^
/usr/include/c++/5/ostream:127:7: note:   no known conversion for argument 1 from '' to 'std::ios_base& (*)(std::ios_base&)'
/usr/include/c++/5/ostream:166:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(long __n)
       ^
/usr/include/c++/5/ostream:166:7: note:   no known conversion for argument 1 from '' to 'long int'
/usr/include/c++/5/ostream:170:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(unsigned long __n)
       ^
/usr/include/c++/5/ostream:170:7: note:   no known conversion for argument 1 from '' to 'long unsigned int'
/usr/include/c++/5/ostream:174:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(bool) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(bool __n)
       ^
/usr/include/c++/5/ostream:174:7: note:   no known conversion for argument 1 from '' to 'bool'
In file included from /usr/include/c++/5/ostream:638:0,
                 from /usr/include/c++/5/istream:39,
                 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/ostream.tcc:91:5: note: candidate: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short int) [with _CharT = char; _Traits = std::char_traits]
     basic_ostream<_CharT, _Traits>::
     ^
/usr/include/c++/5/bits/ostream.tcc:91:5: note:   no known conversion for argument 1 from '' to 'short int'
In file included from /usr/include/c++/5/istream:39:0,
                 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/ostream:181:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(short unsigned int) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(unsigned short __n)
       ^
/usr/include/c++/5/ostream:181:7: note:   no known conversion for argument 1 from '' to 'short unsigned int'
In file included from /usr/include/c++/5/ostream:638:0,
                 from /usr/include/c++/5/istream:39,
                 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/ostream.tcc:105:5: note: candidate: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char; _Traits = std::char_traits]
     basic_ostream<_CharT, _Traits>::
     ^
/usr/include/c++/5/bits/ostream.tcc:105:5: note:   no known conversion for argument 1 from '' to 'int'
In file included from /usr/include/c++/5/istream:39:0,
                 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/ostream:192:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(unsigned int) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(unsigned int __n)
       ^
/usr/include/c++/5/ostream:192:7: note:   no known conversion for argument 1 from '' to 'unsigned int'
/usr/include/c++/5/ostream:201:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(long long __n)
       ^
/usr/include/c++/5/ostream:201:7: note:   no known conversion for argument 1 from '' to 'long long int'
/usr/include/c++/5/ostream:205:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long unsigned int) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(unsigned long long __n)
       ^
/usr/include/c++/5/ostream:205:7: note:   no known conversion for argument 1 from '' to 'long long unsigned int'
/usr/include/c++/5/ostream:220:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(double) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(double __f)
       ^
/usr/include/c++/5/ostream:220:7: note:   no known conversion for argument 1 from '' to 'double'
/usr/include/c++/5/ostream:224:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(float) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(float __f)
       ^
/usr/include/c++/5/ostream:224:7: note:   no known conversion for argument 1 from '' to 'float'
/usr/include/c++/5/ostream:232:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long double) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(long double __f)
       ^
/usr/include/c++/5/ostream:232:7: note:   no known conversion for argument 1 from '' to 'long double'
/usr/include/c++/5/ostream:245:7: note: candidate: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(const void*) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream]
       operator<<(const void* __p)
       ^
/usr/include/c++/5/ostream:245:7: note:   no known conversion for argument 1 from '' to 'const void*'
In file included from /usr/include/c++/5/ostream:638:0,
                 from /usr/include/c++/5/istream:39,
                 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/ostream.tcc:119:5: note: candidate: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits; std::basic_ostream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf]
     basic_ostream<_CharT, _Traits>::
     ^
/usr/include/c++/5/bits/ostream.tcc:119:5: note:   no known conversion for argument 1 from '' to 'std::basic_ostream::__streambuf_type* {aka std::basic_streambuf*}'
In file included from /usr/include/c++/5/regex:61:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108,
                 from Main.cc:1:
/usr/include/c++/5/bits/regex.h:1480:5: note: candidate: template std::basic_ostream<_CharT, _Traits>& std::__cxx11::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::sub_match<_Bi_iter>&)
     operator<<(basic_ostream<_Ch_type, _Ch_traits>& __os,
     ^
/usr/include/c++/5/bits/regex.h:1480:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_Bi_iter'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::thread::id)
     operator<<(basic_ostream<_CharT, _Traits>& __out, thread::id __id)
     ^
/usr/include/c++/5/thread:243:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   cannot convert 'std::max' (type '') to type 'std::thread::id'
  cout<, typename std::__fun::result_type> std::operator<<(const _Tp&, const std::valarray<_Tp>&) [with _Tp = std::basic_ostream; typename std::__fun::result_type = std::basic_ostream]
 _DEFINE_BINARY_OPERATOR(<<, __shift_left)
 ^
/usr/include/c++/5/valarray:1175:1: note:   no known conversion for argument 2 from '' to 'const std::valarray >&'
/usr/include/c++/5/valarray:1175:1: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator<<(const std::valarray<_Tp>&, const _Tp&)
 _DEFINE_BINARY_OPERATOR(<<, __shift_left)
 ^
/usr/include/c++/5/valarray:1175:1: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'const std::valarray<_Tp>'
  cout< std::_Expr, typename std::__fun::result_type> std::operator<<(const std::valarray<_Tp>&, const std::valarray<_Tp>&)
 _DEFINE_BINARY_OPERATOR(<<, __shift_left)
 ^
/usr/include/c++/5/valarray:1175:1: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'const std::valarray<_Tp>'
  cout< 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_left)
     ^
/usr/include/c++/5/bits/valarray_after.h:410:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_Dom'
  cout< 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_left)
     ^
/usr/include/c++/5/bits/valarray_after.h:410:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
  cout< 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_left)
     ^
/usr/include/c++/5/bits/valarray_after.h:410:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_Dom'
  cout< 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_left)
     ^
/usr/include/c++/5/bits/valarray_after.h:410:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
  cout< 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_left)
     ^
/usr/include/c++/5/bits/valarray_after.h:410:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__shared_ptr<_Tp, _Lp>&)
     operator<<(std::basic_ostream<_Ch, _Tr>& __os,
     ^
/usr/include/c++/5/bits/shared_ptr.h:66:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_Tp'
  cout<& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Put_time<_CharT>) [with _CharT = char; _Traits = std::char_traits]
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Put_time<_CharT> __f)
     ^
/usr/include/c++/5/iomanip:363:5: note:   no known conversion for argument 2 from '' to 'std::_Put_time'
/usr/include/c++/5/iomanip:311:5: note: candidate: template std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Put_money<_MoneyT>)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Put_money<_MoneyT> __f)
     ^
/usr/include/c++/5/iomanip:311:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_MoneyT'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setw)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setw __f)
     ^
/usr/include/c++/5/iomanip:238:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   cannot convert 'std::max' (type '') to type 'std::_Setw'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setprecision)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setprecision __f)
     ^
/usr/include/c++/5/iomanip:208:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   cannot convert 'std::max' (type '') to type 'std::_Setprecision'
  cout<& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setfill<_CharT>) [with _CharT = char; _Traits = std::char_traits]
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setfill<_CharT> __f)
     ^
/usr/include/c++/5/iomanip:178:5: note:   no known conversion for argument 2 from '' to 'std::_Setfill'
/usr/include/c++/5/iomanip:143:5: note: candidate: template std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setbase)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setbase __f)
     ^
/usr/include/c++/5/iomanip:143:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   cannot convert 'std::max' (type '') to type 'std::_Setbase'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setiosflags)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setiosflags __f)
     ^
/usr/include/c++/5/iomanip:109:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   cannot convert 'std::max' (type '') to type 'std::_Setiosflags'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Resetiosflags)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Resetiosflags __f)
     ^
/usr/include/c++/5/iomanip:79:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   cannot convert 'std::max' (type '') to type 'std::_Resetiosflags'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::bitset<_Nb>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bitset:1530:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_Nb'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::piecewise_linear_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:3160:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_RealType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::piecewise_constant_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:2944:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_RealType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::discrete_distribution<_IntType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:2734:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_IntType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::student_t_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:2275:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_RealType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::fisher_f_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:2200:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_RealType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::chi_squared_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:2036:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_RealType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::lognormal_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:1963:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_RealType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::binomial_distribution<_IntType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:1667:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_IntType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::poisson_distribution<_IntType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:1400:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_IntType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::negative_binomial_distribution<_IntType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:1195:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_IntType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::shuffle_order_engine<_RandomNumberEngine, __k>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:831:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_RandomNumberEngine'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::discard_block_engine<_RandomNumberEngine, __p, __r>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:702:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_RandomNumberEngine'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::subtract_with_carry_engine<_UIntType, __w, __s, __r>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:632:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_UIntType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::linear_congruential_engine<_UIntType, __a, __c, __m>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:156:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_UIntType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::extreme_value_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:2598:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_RealType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::weibull_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:2522:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_RealType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::exponential_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/random.tcc:1731:5: note:   template argument deduction/substitution failed:
Main.cc:18:8: note:   couldn't deduce template parameter '_RealType'
  cout< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::gamma_distribution<_RealType>&)