#include <iostream>
#include <fstream>

using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int rmq[20][100001], log[100001];

int main()
{int n, m, a, b, d;
 fin>>n>>m;
 for(int i=1;i<=n;i++)
 {fin>>a;
  rmq[0][i]=a;
  if(i!=1)log[i]=log[i/2]+1;
 }

 for(int i=1;i<=log[n];i++)
 for(int j=1<<i;j<=n;j++)
 rmq[i][j]=min(rmq[i-1][j], rmq[i-1][j-(1<<(i-1))]);

 for(int i=1;i<=m;i++)
 {fin>>a>>b;
  d=log[b-a+1];

  fout<<min(rmq[d][a+(1<<d)-1], rmq[d][b])<<"\n";
 }

 return 0;
}