#include<fstream>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int N,M,x,y,RMQ[20][100001],lg[20];
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;i<=lg[N];++i)
        for(int j=1;j<=N;++j)
            RMQ[i][j]=min(RMQ[i-1][j],RMQ[i-1][j+(1<<(i-1))]);
    while(M--){
        f>>x>>y;
        int k=lg[y-x+1];
        g<<min(RMQ[k][x],RMQ[k][y-(1<<k)+1])<<'\n';
    }
    return 0;
}