Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
111110 陈皓轩 [在线测评解答教程] 求和 C++ Compile Error 0 MS 0 KB 147 2025-02-26 21:39:20

Tests(0/0):

Code:

using namespace std; int main(){ int n,i,s=0; cin>>n; for(i=n;i>=1;i--) { s+=i } cout<<s; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:4:5: error: 'cin' was not declared in this scope
     cin>>n;
     ^
Main.cc:8:5: error: expected ';' before '}' token
     }
     ^
Main.cc:9:5: error: 'cout' was not declared in this scope
     cout<