#include <bits/stdc++.h>

using namespace std;

ifstream fin("rmq.in");
ofstream fout("rmq.out");

int rmq[20][100001],lg[100001];

int main(){
    ios::sync_with_stdio(false);
    fin.tie(NULL);
    fout.tie(NULL);
    int n,q,a,b;
    fin>>n>>q;
    for(int i=1;i<=n;i++) fin>>rmq[0][i];
    for(int e=1;(1<<e)<=n;e++){
        for(int i=1;i+(1<<e)-1<=n;i++){
            rmq[e][i]=min(rmq[e-1][i],rmq[e-1][i+(1<<(e-1))]);
        }
    }
    for(int i=2;i<=n;i++) lg[i]=lg[i/2]+1;
    while(q--){
        fin>>a>>b;
        int e=lg[b-a+1];
        fout<<min(rmq[e][a],rmq[e][b-(1<<e)+1])<<'\n';
    }
    return 0;
}
/**
1
5
0 5 1 0 1
**/