Submission

Score: 100

User: nxtx_ss

Problemset: ผลบวก (ง่าย)

Language: cpp

Time: 0.084 second

Submitted On: 2025-10-02 17:01:32

#include<iostream>
#include<vector>
using namespace std;
int main() {
	int n,x,y,sm=0;
	cin>>n;
	int a[n];
	for (int i=0; i<n; i++) {
		cin>>a[i];
	}
	cin>>x>>y;
	for (int i=x; i<=y; i++) {
		sm=sm+a[i];
	}
	cout<<sm;
}