Submission

Score: 100

User: karnsinee

Problemset: ผลบวก (กลาง)

Language: cpp

Time: 0.092 second

Submitted On: 2026-01-05 19:28:38

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,m;
	cin>>n;
	int a[n+5];
	for(int i=0;i<n;i++){
		cin>>a[i];
	}
	cin>>m;
	int b[m+5],c[m+5];
	for(int i=0;i<m;i++){
		cin>>b[i];
		cin>>c[i];
	}
	int dp[n+5];
	for(int i=0;i<n;i++){
		dp[i]=a[i]+dp[i-1];
	}
	for(int i=0;i<m;i++){
		cout<<dp[c[i]]-dp[b[i]-1]<<"\n";
	}

	
}