#include <fstream>
using namespace std;
ifstream fi("rmq.in");
ofstream fo("rmq.out");
int n, m, v[100001],ma[20][100001];
void GenMat()
{
    int i,j;
    v[0] = v[1] = 0;
    for (i = 2; i <= n; i++)
        v[i] = v[i >> 1] + 1;
    for (i = 1; i <= v[n]; i++)
        for (j = 1; j + (1 << (i - 1)) <= n; j++)
            ma[i][j] = min(ma[i - 1][j], ma[i - 1][j + (1 << (i - 1))]);
}
int main()
{
    int i,x,y,z;
    fi >> n >> m;
    for (i = 1; i <= n; i++)
        fi >> ma[0][i];
    GenMat();
    for (i = 1; i <= m; i++)
    {
        fi >> x >> y;
        z = v[y- x + 1];
        fo << min(ma[z][x], ma[z][y-(1<<z) + 1]) << '\n';
    }
    return 0;
}