#include <bits/stdc++.h>

using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");

int rmq[20][100005],n,m;
int main()
{
    f>>n>>m;
    for(int i=1;i<=n;i++)
        f>>rmq[0][i];
    for(int i=1;i<=(int)log2(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--)
    {
        int x,y;
        f>>x>>y;
        int k=log2(y-x+1);
        g<<min(rmq[k][x],rmq[k][y-(1<<k)+1])<<'\n';
    }

    return 0;
}