Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
157592 汤子杨 偶数个1 C++ Compile Error 0 MS 0 KB 323 2026-08-04 10:53:09

Tests(0/0):

Code:

#include<iostream> using namespace std; int a[1005][1005]; int main(){ int n,s,q; cin>>n; for(int i=1;i<=n;i++) { for(int j=1;j<=n;j++) { cin<<a[i][j]; } } for(int i=1;i<=n;i++) { for(int j=1;j<=n;j++) { s=s+j; } if(s%2=0) { t+1; } } if(t=n) { cout<<OK; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:11:7: error: no match for 'operator<<' (operand types are 'std::istream {aka std::basic_istream}' and 'int')
    cin<
Main.cc:11:7: note:   no known conversion for argument 1 from 'std::istream {aka std::basic_istream}' to 'int'
In file included from /usr/include/c++/5/string:52:0,
                 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/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/basic_string.h:5172:5: note: candidate: template 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:11:15: note:   'std::istream {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
    cin<