//
//  main.c
//  boss
//
//  Created by vasily ukhanov on 22.04.17.
//  Copyright © 2017 vasily ukhanov. All rights reserved.
//

#include <stdio.h>



int scr[200000];

void job(int dif, int y, int l, int r, int n)
{
    while ((r - l) > 1)
    {
        int mid = (r + l) / 2;
        int rez = 0;
        for (int i = 0; i < n; i++){
            int z = (scr[i] - y * mid + dif - 1) / dif;
            if (z > 0)
            {
                rez += z;
            }
            else
            {
                rez += 0;
            }
        }
        if (rez > mid)
        {
            l = mid;
        }
        else
        {
            r = mid;
        }
    }
    printf("%d\n", r);
}


int main()
    {
        int n, x, y;
        scanf("%d %d %d", &n, &x, &y);
        int i = 0;
        while(i < n)
        {
            scanf("%d",&scr[i++]);
        }
        //scanf(string, &scr);
        if (x == y)
        {
            int maximum = scr[0];
            for (int c = 1; c < n; c++){
                if (scr[c] > maximum) {
                    maximum = scr[c];
                }
            }
            printf("%i\n", (maximum + x - 1) / x);
        }
        else
        {
            job(x - y, y, 0, 100000000, n);
        }
    }