#include <bits/stdc++.h>
using namespace std;

priority_queue<int> sta;

int main(){
	freopen("dry.in","r",stdin);
	freopen("dry.out","w",stdout);
    int t=0,i,j,k,m,n,a,b;
    scanf("%d%d%d",&n,&a,&b);
    for(i=1;i<=n;i=-~i){
        scanf("%d",&k);
        sta.push(k);
    }
    t+=a;
    k=sta.top();
    sta.pop();
    k-=b;
    sta.push(k);
    while(1){
        k=sta.top();
        sta.pop();
        if(k-t<=0){
            printf("%d",t/a);
            return 0;
        }
        t+=a;
        k-=b;
        sta.push(k);
    }
    return 0;
}