#include <bits/stdc++.h>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
#define nmax 100003
int rmq[20][nmax];
int lg[nmax],x,y,secv,n,m;
int main()
{
    f>>n>>m;
    for(int i=1; i<=n; i++)
    {
        f>>rmq[0][i];
        if(i>1) 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(int i=1; i<=m; i++)
    {
        f>>x>>y;
        secv=y-x+1;
        g<<min(rmq[lg[secv]][x],rmq[lg[secv]][y-(1<<lg[secv])+1])<<'\n';
    }
    return 0;
}