Envío 492

Código

#include <iostream>
#include <vector>

using namespace std;

int main() {
    int N;
    cin >> N;
    vector<int> A(N);
    long sum = 0;
    for (int i = 0; i < N; ++i) {
        int Ai;
        cin >> Ai;
        sum += Ai;
        A[i] = Ai;
    }
    int C;
    cin >> C;
    int p;
    int q;
    for (int i = 0; i < C; ++i) {
        cin >> p;
        cin >> q;
        int left = 0;
        int right = N-1;
        long total = sum;
        while (left < p || right > q) {
            if (left < p) {
                total -= A[left ++];
            }
            if (right > q) {
                total -= A[right--];
            }
        }
        cout << total << endl;
    }
}