Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
90004 徐天哲 [在线测评解答教程] 求和 C++ Compile Error 0 MS 0 KB 155 2024-09-07 17:04:05

Tests(0/0):

Code:

# include<iostream> using namespace std; int main(){ int n; while(cin >> n){ s = n*(n+1)/2; cout<<s; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:9: error: 's' was not declared in this scope
         s = n*(n+1)/2;
         ^