#include<fstream>
#define N 1<<17
#define M 1<<5
int n,m,x,y,l;
int v[N],lg[N],rmq[M][N];
inline int min(int a,int b)
{
    if (a<b)
        return a;
    return b;
}
int main()
{
    std::ifstream f("rmq.in");
    std::ofstream g("rmq.out");
    f>>n>>m;
    int i,j,t,k;
    for (i=1; i<=n; i++)
    {
        f>>v[i];
        lg[i]=i>=2 ? lg[i/2]+1 : 0;
        rmq[0][i]=v[i];
    }
    for (i=1; (1<<i)<=n; i++)
    {
        t=1<<i;
        k=1<<(i-1);
        for (j=1; j<=n-t+1; j++)
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][(j+t-1)-k+1]);
    }
    for (i=1; i<=m; i++)
    {
        f>>x>>y;
        l=lg[y-x+1];
        t=1<<l;
        g<<min(rmq[l][x],rmq[l][y-t+1]);
    }
    return 0;
}