#include <bits/stdc++.h>
#define NMAX 100500
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int n,m, rmq[30][NMAX], v[NMAX], nr, x, y, a;
int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;++i)
        fin>>rmq[0][i];

    for(int i=1;(1<<i)<=n;++i)
        for(int j=1;j+i<=n;++j)
            rmq[i][j]=min(rmq[i-1][j], rmq[i-1][j+(1<<(i-1))]);

    for(;m>0;--m)
    {
        fin>>x>>y;
        nr=log2(y-x+1);
        a=min(rmq[nr][x], rmq[nr][y-(1<<nr)+1]);
        fout<<a<<'\n';
    }


    return 0;
}