#include <fstream>

using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
int rmq[100005][20],log2[100005];
int main()
{
    int n,m,x,y;
    in>>n>>m;
    for (int i=1; i<=n; i++)
        in>>rmq[i][0];
    for (int i=2; i<=n; i++)
        log2[i]=1+log2[i/2];
    for (int j=1; (1<<j)<=n; j++)
        for (int i=1; i+(1<<j)-1<=n; i++)
            rmq[i][j]=min(rmq[i][j-1],rmq[i+(1<<(j-1))][j-1]);
    for (int i=1;i<=m;i++)
    {
        in>>x>>y;
        if (x>y) swap(x,y);
        int k=log2[y-x+1];
        int sol=rmq[x][k];
        if (rmq[y-(1<<k)+1][k]<sol)
            sol=rmq[y-(1<<k)+1][k];
        out<<sol<<'\n';
    }
    return 0;
}