Submission

Score: 100

User: bananakung

Problemset: ผลบวก (ง่าย)

Language: cpp

Time: 0.103 second

Submitted On: 2025-09-15 19:42:29

#include<iostream>
using namespace std;
int num[1000001];
int main()
{
	int n,x,y;
	cin>>n;
	for(int i=0;i<n;i++) cin>>num[i];
	cin>>x>>y;
	int total=0;
	for(int i=x;i<=y;i++)
	{
		total+=num[i];
	//	cout<<num[i]<<endl;
	}
	cout<<total;
}