Submission

Score: 5

User: Fifaxmb

Problemset: ผลบวก (กลาง)

Language: cpp

Time: 0.299 second

Submitted On: 2026-01-03 11:20:54

#include<bits/stdc++.h>
using namespace std;

int main(){
    int n;cin >> n;
    vector<int> v(n);
    for(auto &x:v){
        cin >> x;
    }
    int k;cin >> k;
    while(k--){

        int h,l;
        cin >> l >> h;
        int ans =0;  
        for(int i = l ;i <= h;i++){
             ans += v[i];
        }
        
        cout << ans <<'\n';
    }

}