#include <iostream>
#include <fstream>

using namespace std;


long n,m;
long rmq[100][100000], v[100000], log[100000];

ifstream f("rmq.in");
ofstream g("rmq.out");

long power2(long x){
    return (1<<x);
}

void config(){
    for(int i=2; i<=n; i++){
        log[i]=log[i/2]+1;
    }
}

int main(){
    long val,x,y,l,a;
    config();
    f>>n>>m;
    for(int i=1; i<=n; i++){
        f>>val;
        v[i]=val;
        rmq[0][i] = val;
    }
    for(int i=1; (1<<i)<=n; i++){
        for(int j=1;j+(1<<i)-1<=n;j++){
            rmq[i][j] = min(rmq[i-1][j], rmq[i-1][j+(1<<(i-1))]);
        }
    }
    for(int i=1; i<=m; i++){
        f>>x>>y;
        l=log[y-x+1];
        a=y-x+1-(1<<l);
        if(rmq[l][x] < rmq[l][x+a]){
            g<<rmq[l][x]<<"\n";
        }else{
            g<<rmq[l][x+a]<<"\n";
        }
    }
}