Submission

Score: 100

User: pakin_kim

Problemset: ผลบวก (กลาง)

Language: cpp

Time: 0.096 second

Submitted On: 2026-02-21 09:58:11

#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,c,s,i,j,l,n,m,q;
    vector<int> x;
    vector<int> y;
    vector<int> sum;
    q=0;
    cin>>a;
    for(i=1;i<=a;i++){
        cin>>n;
        q=q+n;
        sum.push_back(q);
    }
    cin>>c;
    for(i=0;i<c;i++){
        cin>>n>>m;
        x.push_back(n);
        y.push_back(m);
    }
    for(i=0;i<c;i++){
        s=sum[y[i]]-sum[x[i]-1];
        cout<<s<<endl;
    }
}