Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
125968 晏莞煜 不吉利的数 C++ Compile Error 0 MS 0 KB 282 2025-07-15 16:58:55

Tests(0/0):

Code:

#include<iostream> #include<cstring> using namespace std; int main(){ int n,m; cin>>n>>m; int sum=m-n+1,k=0; for(int i=n;i<=m;i++){ int x=i; while(x>0){ if(x%10==4 || x%100==62){ k++; break; } } x=x/10; } cout<<sum=k; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:19:11: error: no match for 'operator=' (operand types are 'std::basic_ostream' and 'int')
  cout<& std::basic_ostream<_CharT, _Traits>::operator=(std::basic_ostream<_CharT, _Traits>&&) [with _CharT = char; _Traits = std::char_traits]
       operator=(basic_ostream&& __rhs)
       ^
/usr/include/c++/5/ostream:402:7: note:   no known conversion for argument 1 from 'int' to 'std::basic_ostream&&'