#include <cstdio>
#define Min(a,b) a<b ? a : b
#define NMax 100001
#define NrMax 20

using namespace std;

int N, M, i, j, a[NMax], lg[NMax], rmq[NrMax][NMax], q, rez, x, y;

int main()
{
    freopen("rmq.in","r",stdin);
    freopen("rmq.out","w",stdout);
    scanf("%d %d",&N,&M);
    lg[1]=0;
    for(i=1;i<=N;i++)
    {
        scanf("%d",&a[i]);
        if(i>1) lg[i]=lg[i/2]+1;
        rmq[0][i]=i;
    }
    for(i=1;(1<<i)<=N;i++)
        for(j=1;j+(1<<i)-1<=N;j++)
            if(a[rmq[i-1][j]]<a[rmq[i-1][j+(1<<(i-1))]])
                rmq[i][j]=rmq[i-1][j];
                else rmq[i][j]=rmq[i-1][j+(1<<(i-1))];
    for(i=1;i<=M;i++)
    {
        scanf("%d %d",&x,&y);
        q=lg[y-x+1];
        rez=Min(a[rmq[q][x]],a[rmq[q][y-(1<<q)+1]]);
        printf("%d\n",rez);
    }
    return 0;
}