#include <fstream>

#define NMAX 100005
#define LOGN 20
#define VALMAX 100005

using namespace std;

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

int n, m;
int v[NMAX];
int x, y;
int dp[NMAX][LOGN];
int logaritm[VALMAX];
int lg;
int i, j;

int main()
{
    logaritm[1] = 0;
    logaritm[2] = 1;
    for (i = 3; i < VALMAX; ++i)
        logaritm[i] = logaritm[i/2] + 1;

    fin >>n>>m;
    for (i = 1; i <= n; ++i)
        fin >>dp[i][0];

    for (j = 1; (1 << j) <= n; ++j)
        for (i = 1; i+(1<<j)-1 <= n; ++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;
        lg = logaritm[y-x+1];
        fout <<min(dp[x][lg], dp[y-(1<<lg)+1][lg])<<'\n';
    }
    fout.close();
    return 0;
}