#include <fstream>
#define NMax 100005
#define LMax 20
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");

int N,M;
int X[NMax],Log2[NMax],RMQ[LMax][NMax];

int main()
{
    for(int i=2;i<=N;i++)
        Log2[i]=Log2[i/2]+1;

    fin>>N>>M;

    for(int i=1;i<=N;i++)
        fin>>X[i];

    for(int i=1;i<=N;i++)
        RMQ[0][i]=X[i];

    for(int i=1;(1<<i)<=N;i++)
        for(int j=1;j<=N-(1<<i)+1;j++)
            RMQ[i][j]=min(RMQ[i-1][j],RMQ[i-1][j+(1<<i)]);

    while(M--)
    {
        int x,y;
        fin>>x>>y;
        if(x>y)
            swap(x,y);
        int diff=y-x+1;
        int k=Log2[diff];
        fout<<min(RMQ[k][x],RMQ[k][y-(1<<k)+1])<<"\n";
    }

    return 0;
}