Submission

Score: 5

User: SonnyHappy108

Problemset: ผลบวก (กลาง)

Language: cpp

Time: 0.300 second

Submitted On: 2026-04-13 12:32:01

#include <bits/stdc++.h>
using namespace std;
//done : 2
int main(){
	long long N,i,s,j,Q;
	cin >> N;
	int a[N];
	for(i=0;i<N;i++){
		cin >> a[i];
	}
	cin >> Q;
	long long x[Q],y[Q];
	for(i=0;i<Q;i++){
		cin >> x[i] >> y[i];
	}
	for(i=0;i<Q;i++){
		s=0;
		for(j=x[i];j<=y[i];j++){
			s+=a[j];
		}
		cout << s << "\n";
	}
}