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

int v[100000][30];

int main()
{
    ifstream cin("rmq.in");
    ofstream cout("rmq.out");
    int n,m,i,j,aux,b,a;
    cin>>n>>m;
    for(i=0;i<n;i++){
        cin>>v[i][0];
    }
    for(j=1;(1<<j)<=n;j++)
        for(i=0;i+(1<<j)-1<n;i++)
            v[i][j]=min(v[i][j-1],v[i+(1<<(j-1))][j-1]);
    //printf("a");
    for(j=1;j<=m;j++){
        cin>>a>>b;
        aux=(int)log2(b-a+1);
        cout<<min(v[a-1][aux],v[b-(1<<aux)][aux])<<"\n";
    }
    return 0;
}