Submission

Score: 5

User: cyblox_boi

Problemset: ผลบวก (กลาง)

Language: cpp

Time: 0.299 second

Submitted On: 2025-10-23 22:43:03

#include <iostream>
#include <numeric>
#include <vector>
using namespace std;

int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

	int n;
	cin >> n;

	vector<int> numbers(n);

	for (int i = 0; i < n; i++) {
		cin >> numbers[i];
	}

	int q;
	cin >> q;

	for (int i = 0; i < q; i++) {
		int x, y;
		cin >> x >> y;

		cout << accumulate(numbers.begin() + x, numbers.begin() + y + 1, 0)
		     << '\n';
	}

	return 0;
}