#include<stdio.h>

int v[100002],d[100002][20],Log[100002];

int main()
{
    freopen("rmq.in","r",stdin);
    freopen("rmq.out","w",stdout);
    int n,m,i,j,x,y,sol,e,l;
    scanf("%d%d",&n,&m);
    for(i=1;i<=n;++i)
        scanf("%d",&v[i]);
    ///////////////

    for(i=1;i<=n;++i)
        d[i][0]=i;

    v[0]=2000000000;
    for(j=1;1<<j<=n;++j)
    {
        for(i=1;i+(1<<j)-1<=n;++i)
        {
            if(v[d[i][j-1]]<=v[d[i+(1<<(j-1))][j-1]])
                d[i][j]=d[i][j-1];
            else
                d[i][j]=d[i+(1<<(j-1))][j-1];
        }
    }
    Log[1]=1;
    Log[2]=1;
    for(i=2;(i<<i)<=n;++i)
        Log[(1<<i)]=i;
    for(i=3;i<=n;++i)
        if(!Log[i])
            Log[i]=Log[i-1];
    ///////////////
    while(m--)
    {
        scanf("%d%d",&x,&y);
        sol=2000000000;
        i=x;
        while(i<=y)
        {
            j=Log[y-x+1];
            if(v[d[i][j]]<sol)
                sol=v[d[i][j]];
            i=i+(1<<j);
        }
        printf("%d\n",sol);
    }
    return 0;
}