Submission

Status:

PPPPPPPPPPPPPPPPPPPP

Score: 100

User: biu2

Problemset: ผลบวก (ง่าย)

Language: cpp

Time: 0.155 second

Submitted On: 2024-10-24 20:49:05

#include <bits/stdc++.h>

using namespace std;
int main() {
	int n, left, right;
	cin >> n;
	vector<int> num(n), p(n+1, 0);
	for(int i=0;i<n;i++) {
		cin >> num[i];
		p[i+1] = p[i] + num[i];
	}
	cin >> left >> right;
	cout << p[right+1] - p[left];
}