Submission

PPPPPPPPPPPPPPPPPPPP

Score: 100

User: K3

Problemset: ผลบวก (กลาง)

Language: cpp

Time: 0.142 second

Submitted On: 2024-11-19 19:14:50

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

int main() {
    int n; cin >> n;
    vector<int> arr(n), ps(n + 1, 0);
    for (int i = 0; i < n; i++) {
        cin >> arr[i];
        ps[i + 1] = ps[i] + arr[i];
    }
    
    int q; cin >> q;
    for (int i = 0; i < q; i++) {
        int a, b; cin >> a >> b;
        cout << ps[b + 1] - ps[a] << endl;
    }
}