#include <bits/stdc++.h>
#define NMAX 100005

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

int a[NMAX], dp[25][NMAX], lg[NMAX];
    int n, m;

int main()
{
    int i, j, x, y;
    fin>>n>>m;
    for (i=1; i<=n; i++)
        fin>>a[i];
    lg[1]=0;
    for (i=2; i<=NMAX-5; i++)
        lg[i]=lg[i/2]+1;
    for (i=1; i<=n; i++)
        dp[i][0] = a[i];
    for (j=1; (1<<j)<=n; j++)
        for (i=1; i<=n-(1<<j)+1; i++)
        dp[i][j]=min(dp[i][j-1], dp[i+(1<<(j-1))][j-1]);
    for (i=1; i<=m; i++)
    {
        fin>>x>>y;
        int len=y-x+1;
        len = lg[len];
        fout << min(dp[x][len], dp[y - (1 << len) + 1][len]) << "\n";
    }
    return 0;
}