Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
137153 傅小轩 12序列的第n项 C++ Compile Error 0 MS 0 KB 186 2025-11-16 12:18:41

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main(){ int a=1; cin>>n; n=2;a=a+i; for(int i = 0;i<n-1;i++){ a+=i; } cout<<a; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:5:10: error: 'n' was not declared in this scope
     cin>>n;
          ^
Main.cc:6:13: error: 'i' was not declared in this scope
     n=2;a=a+i;
             ^