#include <bits/stdc++.h>
#define NMAX 100500
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int lg1(int dist)
{
    int p=0, a=1;
    while(a*2<dist)
    {
        a*=2;
        ++p;
    }
    return p;
}
int n, m, rmq[66][NMAX], v[NMAX], a,b,pwr;
int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;++i)
        fin>>v[i];
    for(int i=1;i<=n;++i)
        rmq[0][i]=v[i];

    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 o=1;o<=m;++o)
    {
        fin>>a>>b;
        pwr=lg1(b-a+1);
        fout<<min(rmq[pwr][a], rmq[pwr][b-(1<<pwr)+1])<<'\n';
    }
    return 0;
}