Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
156029 陈骏睿 折线分割圆 C++ Compile Error 0 MS 0 KB 325 2026-06-20 10:14:09

Tests(0/0):

Code:

#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ long long n; cin>>n; cout<<i+2*n*n<<endl; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:10:11: error: 'i' was not declared in this scope
     cout<