#include <bits/stdc++.h>
using namespace std;
#define MAX 100008
ifstream in("rmq.in");
ofstream out("rmq.out");
int v[MAX],lg[MAX],rmq[18][MAX],n;
void RMQ()
{   int i,j;
    for(i=2;i<=n;i++)
        lg[i]=lg[i/2]+1;
    for(i=1;i<=lg[n];i++)
        for(j=1;j<=n-(1<<i)+1;j++)
        rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);
}
int getmin(int a, int b)
{ int el=lg[b-a+1];
  return min(rmq[el][a],rmq[el][b+1-(1<<el)]);
}
int main()
{   int m,i,a,b,j;
    in>>n>>m;
    for(i=1;i<=n;i++)
        in>>rmq[0][i];
        RMQ();

    while(m--){
            in>>a>>b;
            out<<getmin(a,b)<<'\n';
        }
    return 0;
}