#include <fstream>

using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int dp[18][100001];
int mini(int a,int b)
{
    if(a<=b) return a;
    return b;
}
int putere(int x)
{
    int i;
    for(i=0;(1<<i)<=x;i++);
    return i-1;
}
int main()
{
    int n,m,i,a,b,k,j;
    fin>>n>>m;
    for(i=1;i<=n;i++)
    {
        fin>>dp[0][i];
    }
    for(i=1;(1<<i)<=n;i++)
    {
        for(j=1;j<=n-(1<<i)+1;j++)
        {
            dp[i][j]=mini(dp[i-1][j],dp[i-1][j+(1<<(i-1))]);
        }
    }
    for(i=1;i<=m;i++)
    {
        fin>>a>>b;
        k=putere(b-a);
        fout<<mini(dp[k][a],dp[k][b-(1<<k)+1])<<"\n";
    }
}