Submission

Score: 100

User: Pepper12a

Problemset: ผลบวก (กลาง)

Language: cpp

Time: 0.128 second

Submitted On: 2025-05-27 21:59:46

#include <bits/stdc++.h>
using namespace std;

int main(){
    int n;
    cin >> n;
    int a[n+1];
    a[0] = 0;
    for(int i=0;i<n;i++){
        int x;
        cin >> x;
        a[i+1] = a[i] + x;
    }
    int q; cin >> q;
    for(int i=0;i<q;i++){
        int x,y;
        cin >> x >> y;
        cout << a[y+1] - a[x] << '\n';    
    }
    
}