#include <cstdio>
#include <algorithm>

using namespace std;

int rmq[50][100010];
int log[50];

int minim(int x,int y)
{
    int p=log[y-x+1];
    return min(rmq[x][p],rmq[y-(1<<p)+1][p]);
}

int v[100010];

int main()
{
    freopen("rmq.in","r",stdin);
    freopen("rmq.out","w",stdout);
    int n,m,x,y,r;
    scanf("%d%d",&n,&m);
    for(int i=2;i<=n;i++) log[i]=log[i/2]+1;
    for(int i=1;i<=n;i++)
    {
        scanf("%d",&v[i]);
        rmq[i][0]=v[i];
    }
    for(int j=1;j<=log[n];j++)
        for(int i=1;i<=n;i++)
            rmq[i][j]=min(rmq[i][j-1],rmq[i+(1<<(j-1))][j-1]);
    for(int k=1;k<=m;k++)
    {
        scanf("%d%d",&x,&y);
        r=minim(x,y);
        printf("%d\n",r);
    }
    return 0;
}