#include <fstream>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
const int NMax=100001;
int n,m,x,y,dif,rmq[20][NMax],LG[NMax];
int main()
{
    f>>n>>m;
    for(int i=1;i<=n;++i) f>>rmq[0][i];
    LG[1]=0;
    for(int i=2;i<=n;++i) LG[i]=LG[i/2]+1;
    for(int i=1;(1<<i)<=n;++i)
    {
        for(int j=1;j+(1<<i)<=n+3;++j) rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<i-1)]);
    }
    for(int i=1;i<=m;++i)
    {
        f>>x>>y;
        dif=y-x+1;
        dif=LG[dif];
        g<<min(rmq[dif][x],rmq[dif][y-(1<<dif)+1])<<'\n';
    }
    return 0;
}