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

ifstream ci("rmq.in");
ofstream cou("rmq.out");

int rmq[100005][30],lg[100005],v[100005];
int n,m;

void Rmq(){
    int i,j;
    for(i=1;i<=n;i++){
        rmq[i][0]=v[i];
    }
    for(j=1;(1<<j)<=n;j++){
        for(i=1;i<=n-(1<<j)+1;i++){
            rmq[i][j]=min(rmq[i][j-1],rmq[i+(1<<(j-1))][j-1]);

        }
    }
    for(i=2;i<=n;i++){
        lg[i]=lg[i/2]+1;
    }

}

int Query(int x,int y){
    int Lg;
    Lg = lg[y-x+1];
    return min(rmq[x][Lg],rmq[y - (1<<Lg)+1][Lg]);
}

void citire(){
    int i;
    ci>>n>>m;
    for(i=1;i<=n;i++){
        ci>>v[i];
    }
}

void rez(){
    int x,y;
    for(int i=1;i<=m;i++){
        ci>>x>>y;
        cou<<Query(x,y)<<"\n";
    }
}

int main()
{
    citire();
    Rmq();
    rez();
    return 0;
}