Submission

Score: 100

User: boss

Problemset: ผลบวก (ง่าย)

Language: cpp

Time: 0.089 second

Submitted On: 2025-11-02 18:09:36

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n,temp=0;
	int x,y;
	cin>>n;
	vector<int> a(n+5);
	for(int i=0;i<n;i++)
	{
		cin>>a[i];
	}
	cin>>x>>y;
	for(int i=x;i<=y;i++)
	{
		temp+=a[i];
//		cout<<a[i];
	}
	cout<<temp;
	
	
	
	return 0;
}