Submission

Status:

PPPPPPPPPPPPPPPPPPPP

Score: 100

User: Monasm

Problemset: ผลบวก (ง่าย)

Language: cpp

Time: 0.115 second

Submitted On: 2024-09-29 18:28:49

#include <bits/stdc++.h>

using namespace std;

int main(){
    int n;cin >> n;
    vector<int> arr(n);
    for(auto &i:arr){
        cin >> i;
    }
    int x,y,ans = 0;cin >> x >> y;
    for(int i=x;i<=y;i++){
        ans+=arr[i];
    }
    cout << ans;

    return 0;
}