Submission #1519178

---

Source Code Expand

#include <iostream>
#include<string>
#include<algorithm>
#include<stdio.h>

using namespace std;

int main(){
    int n, ans=0;
    cin>>n;
    for(int i=1; i<=n; i++){
        ans += 10000*i;
    }
    cout<<ans/n<<endl;
    return 0;
}

Submission Info

Judge Result