#include <cstdio>

#define floor_log2(msb, n) asm("bsrl %1, %0" : "=r"(msb) : "r"(n))

#define min(x, y) ((y) ^ (((x) ^ (y)) & -((x) < (y))))

int n, m, k, RMQ[17][100001];

int main()
{
    freopen("rmq.in", "r", stdin);
    freopen("rmq.out", "w", stdout);

    scanf("%d %d", &n, &m);

    for(int i = 1; i <= n; i++)

        scanf("%d", &RMQ[0][i]);

    for(int i = 0; i < 16; i++)

        for(int j = 1; j < n - i; j++)
        {
            int x = RMQ[i][j], y = RMQ[i][j + (1 << i)];

            RMQ[i + 1][j] = min(x, y);
        }

    while(m--)
    {
        int x, y, z;

        scanf("%d %d", &x, &y);

        z = y - x + 1;

        floor_log2(k, z);

        int X = RMQ[k][x], Y = RMQ[k][y + 1 - (1 << k)];

        printf("%d\n", min(X, Y));
    }
}