Submission

PPPPPPPPPPPPPPPPPPPP

Score: 100

User: idontknow

Problemset: ผลบวก (ง่าย)

Language: cpp

Time: 0.180 second

Submitted On: 2024-12-15 21:15:47

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

int main() {
	int n;
	cin >> n;
	int arr[n];
	
	for(int i=0;i<n;i++){
		cin >> arr[i];
	}
	
	int a,b,sum=0;
	cin >> a >> b;
	for(int i=a;i<=b;i++){
		sum+= arr[i];
	}

	cout << sum;


	return 0;
}