Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
128442 魏宏搏 折线分割圆 C++ Compile Error 0 MS 0 KB 186 2025-08-16 23:02:19

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main(){ long long n,sum=0; cin>>n; for(int i=1;i<=n;i++){ sum=4n+2-1; } cout<<sum; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:7:13: error: unable to find numeric literal operator 'operator""n'
         sum=4n+2-1;
             ^
Main.cc:7:13: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes