#include <cstdio>
#define NMAX 100002
#define LMAX 18
#define min(a,b) (a<b)?a:b
using namespace std;

int x,y,n,m,a[NMAX],rmq[NMAX][LMAX],lg[NMAX];
int main()
{
    freopen("rmq.in", "r", stdin);
    freopen("rmq.out", "w", stdout);
    scanf("%d%d", &n, &m);
    for(int i=1;i<=n;++i)
        scanf("%d", &a[i]);
    for(int i=2;i<=n;++i)
        lg[i]=lg[i/2]+1;
    for(int i=1;i<=n;++i)
        rmq[0][i]=a[i];
    for(int i=1;(1<<i)<=n;++i)
        for(int j=1;j<=n-(1<<i)+1;++j){
            int l=1<<(i-1);
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+l]);
        }
    for(int i=1;i<=m;++i){
        scanf("%d%d", &x, &y);
        int diff=y-x+1;
        int l=lg[diff];
        int sh=diff-(1<<l);
        printf("%d\n", min(rmq[l][x],rmq[l][x+sh]));
    }
    return 0;
}