Submission

Score: 5

User: mocngaijakraila

Problemset: ผลบวก (กลาง)

Language: cpp

Time: 0.299 second

Submitted On: 2026-04-18 13:08:59

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

int arr[1000005];

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n, sum = 0; cin >> n;
    for(int i = 0; i < n; i++) {
        int t; cin >> t;
        arr[i] = t;
    }
    int ts; cin >> ts;
    while(ts--) {
        int s, e; cin >> s >> e;
        for(int i = s; i < e + 1; i++) {
            sum += arr[i];
        }
        cout << sum << '\n';
        sum = 0;
    }
    

    return 0;
}