#include<stdio.h>
#include<iostream>
using namespace std;
int main()
{
    int length[100100];
    int n,n2,num=0;
    int c1,c2;
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
        scanf("%d",&length[i]);
        num+=length[i];
    }
    scanf("%d",&n2);
    for(int i=0;i<n2;i++){
        scanf("%d %d",&c1,&c2);
        if(c1>c2)swap(c1,c2);              //记得交换
        int num2=0;
        for(int j=c1;j<c2;j++){
            num2+=length[j];
        }
        printf("%d\n",min(num2,(num-num2)));
    }
    return 0;
}