#include<iostream>
#include<fstream>
using namespace std;

ifstream f("rmg.in");
ofstream g("rmq.out");
const int NMAX=100001;
const int LMAX=18;
long int rmq[LMAX][NMAX];
long int n,m;
long int lg[NMAX];
long int a[NMAX];


int main(){
long int l;
f>>n>>m;

for(long int i=1;i<=n;i++)
    f>>a[i];

lg[1]=0;
for(long int i=2;i<=n;i++)
    lg[i]=lg[i/2]+1;

for(long int i=1;i<=n;i++)
    rmq[0][i]=a[i];


for(long int i=1;(1<<i)<=n;i++)
     for(long int j=1;j<=n-(1<<i)+1;j++)
     {
         l=1<<(i-1);
         rmq[i][j]=min(rmq[i-1][j], rmq[i-1][j+1]);
     }
long int x,y,diff,sh;

for(long int i=1;i<=m;i++)
{
    f>>x>>y;
    diff=y-x+1;
    l=lg[diff];
    sh=diff-(1<<l);
    cout<<min(rmq[l][x],rmq[l][x+sh])<<endl;

}

return 0;
}