Submission

Score: 100

User: exoworldgd

Problemset: ผลบวก (กลาง)

Language: cpp

Time: 0.147 second

Submitted On: 2025-05-26 09:31:55

#include <bits/stdc++.h>
using namespace std;
int main(void) {
    int n,t;
    cin >> n;
    int a[n],q[n+1];
    for (auto& i : a) cin >> i;
    q[0] = a[0];
    for (int i =1; i<= n; i++) q[i] =q[i-1]+a[i];
    cin >> t;
    while (t--) {
    	int l,r;
    	cin >> l >> r;
    	cout << q[r]-q[l-1] << '\n';
    }
}