44647

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
44647	zhangchunhong	求1+2+3+...	C++	Compile Error	0 MS	0 KB	167	2024-03-31 18:26:22

#include<iostream> #include<cstring> using namespace std; int main() { int a,sum=0; cin>>a; for(int i=1;i<=n;i++){ sum+=i; } cout<<sum; return 0; }