Run ID | Author | Problem | Lang | Verdict | Time | Memory | Code Length | Submit Time |
---|---|---|---|---|---|---|---|---|
44115 | yuhaoyu | 求1+2+3+... | C++ | Accepted | 0 MS | 252 KB | 162 | 2024-03-29 14:54:01 |
#include<iostream> using namespace std; int main() { int n,sum=0; cin>>n; for(int i=0;i<n;i++) { sum=sum+i; } sum=sum+n; cout<<sum; }