Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
104998 余泽越 04四位数移位 C++ Compile Error 0 MS 0 KB 217 2025-01-11 20:46:10

Tests(0/0):

Code:

#include<iostream> using namespace std; int main(){ int a,b,c,d,e; cin>>a<<endl; b = a/1000; c = a/100%10; d = a/10%10; e = a%10; cout<<e*1000+b*100+c*10+d; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:11: error: no match for 'operator<<' (operand types are 'std::basic_istream::__istream_type {aka std::basic_istream}' and '')
     cin>>a< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator<<(basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/basic_string.h:5172:5: note:   template argument deduction/substitution failed:
Main.cc:6:13: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
     cin>>a< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::error_code&)
     operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e)
     ^
/usr/include/c++/5/system_error:209:5: note:   template argument deduction/substitution failed:
Main.cc:6:13: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
     cin>>a< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, _CharT)
     operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
     ^
/usr/include/c++/5/ostream:497:5: note:   template argument deduction/substitution failed:
Main.cc:6:13: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
     cin>>a< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, char)
     operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
     ^
/usr/include/c++/5/ostream:502:5: note:   template argument deduction/substitution failed:
Main.cc:6:13: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
     cin>>a< std::basic_ostream& std::operator<<(std::basic_ostream&, char)
     operator<<(basic_ostream& __out, char __c)
     ^
/usr/include/c++/5/ostream:508:5: note:   template argument deduction/substitution failed:
Main.cc:6:13: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream'
     cin>>a< std::basic_ostream& std::operator<<(std::basic_ostream&, signed char)
     operator<<(basic_ostream& __out, signed char __c)
     ^
/usr/include/c++/5/ostream:514:5: note:   template argument deduction/substitution failed:
Main.cc:6:13: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream'
     cin>>a< std::basic_ostream& std::operator<<(std::basic_ostream&, unsigned char)
     operator<<(basic_ostream& __out, unsigned char __c)
     ^
/usr/include/c++/5/ostream:519:5: note:   template argument deduction/substitution failed:
Main.cc:6:13: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream'
     cin>>a< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const _CharT*)
     operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
     ^
/usr/include/c++/5/ostream:539:5: note:   template argument deduction/substitution failed:
Main.cc:6:13: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
     cin>>a< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const char*)
     operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
     ^
/usr/include/c++/5/bits/ostream.tcc:321:5: note:   template argument deduction/substitution failed:
Main.cc:6:13: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
     cin>>a< std::basic_ostream& std::operator<<(std::basic_ostream&, const char*)
     operator<<(basic_ostream& __out, const char* __s)
     ^
/usr/include/c++/5/ostream:556:5: note:   template argument deduction/substitution failed:
Main.cc:6:13: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream'
     cin>>a< std::basic_ostream& std::operator<<(std::basic_ostream&, const signed char*)
     operator<<(basic_ostream& __out, const signed char* __s)
     ^
/usr/include/c++/5/ostream:569:5: note:   template argument deduction/substitution failed:
Main.cc:6:13: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream'
     cin>>a< std::basic_ostream& std::operator<<(std::basic_ostream&, const unsigned char*)
     operator<<(basic_ostream& __out, const unsigned char* __s)
     ^
/usr/include/c++/5/ostream:574:5: note:   template argument deduction/substitution failed:
Main.cc:6:13: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream'
     cin>>a< std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&&, const _Tp&)
     operator<<(basic_ostream<_CharT, _Traits>&& __os, const _Tp& __x)
     ^
/usr/include/c++/5/ostream:628:5: note:   template argument deduction/substitution failed:
Main.cc:6:13: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
     cin>>a<