#include <bits/stdc++.h>
#define LOGMAX 18
#define Nmax 100005
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int n,m,rmq[LOGMAX][Nmax],x,y,lg[Nmax];
int main()
{
    fin>>n>>m;
    lg[1]=0;
    for(int i=2;i<=n;++i)
        lg[i]=lg[i/2]+1;
    for(int a,i=1;i<=n;++i)
    {
        fin>>a;
        rmq[0][i]=a;
    }
    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))]);
    while(m--)
    {
        fin>>x>>y;
        int k=lg[y-x+1];
        fout<<min(rmq[k][x],rmq[k][y-(1<<k)+1])<<"\n";
    }
    return 0;
}