#include <bits/stdc++.h>
#define Nmax 100005
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int rmq[20][Nmax];
int Log2[Nmax];
int main()
{
    int n,m,i,j,k;
    f>>n>>m;
    for(i=1;i<=n;i++)
        f>>rmq[0][i];
    Log2[2]=1;
    for(i=3;i<=n;i++)
        Log2[i]=Log2[i>>1]+1;
    for(i=1;i<=Log2[n];i++)
        for(j=1;j+(1<<(i-1))<=n;j++)
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);
    while(m--)
    {
        f>>i>>j;
        k=Log2[j-i+1];
        g<<min(rmq[k][i],rmq[k][j-(1<<k)+1])<<'\n';
    }

    return 0;
}