Submission

Score: 100

User: kavin8888

Problemset: ผลบวก (กลาง)

Language: cpp

Time: 0.038 second

Submitted On: 2025-10-21 17:48:21

#include<bits/stdc++.h>
using namespace std;
#define spps1 ios::sync_with_stdio(false)
#define spps2 cin.tie(nullptr)
#define pii pair<int,int>
#define fs first
#define sc second
int main()
{
	spps1; spps2;
	int n; cin>>n;
	vector<int> sum(n);
	int dum=0;
	for(int i=0;i<n;i++)
	{
		int x;
		cin>>x;
		dum+=x;
		sum[i]=dum;
	}
	int q; cin>>q;
	vector<pii> range(q);
	for(int i=0;i<q;i++)
	{
		cin>>range[i].fs;
		cin>>range[i].sc;
		cout<<sum[range[i].sc]-sum[range[i].fs-1]<<'\n';
	}
}