Submission

Score: 100

User: zenta4u

Problemset: ผลบวก (ง่าย)

Language: cpp

Time: 0.139 second

Submitted On: 2025-09-30 11:24:46

// Online C++ compiler to run C++ program online
#include <bits/stdc++.h>
using namespace std;
int main() {
    int N,a,b,sum=0;
    cin>>N;
    int x[N];
    for(int i=0;i<N;i++){
        cin>>x[i];
    }
    cin>>a>>b;
    for(int i=a;i<=b;i++){
        sum=sum+x[i];
    }
    cout<<sum;
}