Submission

Score: 100

User: Dark_kingdom

Problemset: ผลบวก (ง่าย)

Language: cpp

Time: 0.090 second

Submitted On: 2026-10-15 23:22:28

#include <iostream>
using namespace std;

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