Submission

Score: 5

User: Dark_kingdom

Problemset: ผลบวก (กลาง)

Language: cpp

Time: 0.299 second

Submitted On: 2026-10-15 23:32:19

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