#include <bits/stdc++.h>

using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
const int nx=100002;
int rmq[19][nx];
int lg[nx],x,y,secv,n,m;
int main()
{
   in>>n>>m;
   for(int i=1; i<=n; i++)
   {
       in>>rmq[0][i];
       if(i>=2)
            lg[i]=lg[i/2]+1;
   }
   for(int i=1; (1<<i)<=n; i++)
        for(int j=1; j<=n-(1<<(i-1)); j++)
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);
   for(;m;m--)
   {
       in>>x>>y;
       secv=y-x+1;
       out<<min(rmq[lg[secv]][x],rmq[lg[secv]][y-(1<<lg[secv])+1])<<'\n';
   }
    return 0;
}