Submission

Score: 5

User: nxtx_ss

Problemset: ผลบวก (กลาง)

Language: cpp

Time: 0.299 second

Submitted On: 2025-10-02 17:16:50

#include<iostream>
#include<vector>
using namespace std;
int main() {
	int n,q;
	cin>>n;
	int a[n];
	for (int i=0; i<n; i++) {
		cin>>a[i];
	}
	cin>>q;
	int x[q],y[q],sm[q]={0};
	for (int i=0; i<q; i++) {
		cin>>x[i]>>y[i];
	}
	for (int i=0; i<q; i++) {
		for(int j=x[i]; j<=y[i]; j++) {
			sm[i]=sm[i]+a[j];
		}
	}
	for(int i=0; i<q; i++) {
		cout<<sm[i]<<"\n";
	}
}