Submission

Score: 100

User: karnsinee

Problemset: ผลบวก (กลาง)

Language: cpp

Time: 0.124 second

Submitted On: 2025-09-21 18:51:20

#include<iostream>
#include<algorithm>
using namespace std;
int main(){
	int n,nn;
	cin>>n;
	int sum[n+5]={0};
	int a[n+5],x,y,sum1;
	sum1=0;
	for(int i=1;i<=n;i++){
		cin>>a[i];
	}
	for(int i=1;i<=n;i++){
		sum[i]=sum[i-1]+a[i];
	}
	for(int i=1;i<=n;i++){
		//cout<<sum[i]<<" ";
	}
	cin>>nn;
	int b[nn];
	for(int i=0;i<nn;i++){
		cin>>x>>y;
		b[i]=sum[y+1]-sum[x];
	}
	for(int i=0;i<nn;i++){
		cout<<b[i]<<"\n";
	}
	
	
	
	
		
		
	
	


}