#include <bits/stdc++.h>
#define N 100005
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int n,m,rmq[N][20],a[N];
int i,j,lg,x,y,op;
int main()
{
    f>>n>>m;
    for(i=1;i<=n;i++) f>>a[i];
    for(i=1;i<=n;i++) rmq[i][0]=a[i];
    for(j=1;j<=log2(n);j++)
        for(i=1;i+(1<<j)-1<=n;i++)
            rmq[i][j]=min(rmq[i][j-1],rmq[i+(1<<(j-1))][j-1]);
    while(m--)
    { f>>x>>y;
      lg=log2(y-x+1);
      g<<min(rmq[x][lg],rmq[y-(1<<lg)+1][lg])<<"\n";
    }
    return 0;
}