#include <bits/stdc++.h>
#define NMAX 100001
#define LGMAX 18

using namespace std;

ifstream fin("rmq.in");
ofstream fout("rmq.out");

int rmq[LGMAX][NMAX];
int lg[NMAX];

inline int query(int x, int y)
{
    int l = lg[y-x+1];
    return min(rmq[l][x], rmq[l][y-(1<<l)+1]);
}

int main()
{
    int n,m;
    fin>>n>>m;
    for(int i=0;i<n;i++)
    {
        fin>>rmq[0][i];
    }
    for(int i=2;i<=n;i++) lg[i]=lg[i/2]+1;

    for(int i=1; (1<<i) <= n ; i++)
    {
        for(int j=0;j+(1<<i)-1 < n; j++)
        {
            rmq[i][j] = min(rmq[i-1][j], rmq[i-1][j+(1<<(i-1))]);
        }
    }

    for(int i=0;i<m;i++)
    {
        int x,y;
        fin>>x>>y;
        fout<<query(x-1,y-1)<<'\n';
    }

    return 0;
}