@[quruijie5418814524](/user/679600)
```
#include<bits/stdc++.h>
using namespace std;
int n,a,b,w[500005],ans,mx;
bool check(int x){
int s=0;
for(int i=1;i<=n;i++){
if(x*a<w[i]){
s+=(w[i]-a*x)%b?(w[i]-x*a)/b+1:(w[i]-x*a)/b;
}
}
return s<=x;
}
int main(){
cin>>n>>a>>b;
for(int i=1;i<=n;i++){
cin>>w[i];
mx=max(mx,w[i]);
}
int l=1,r=mx;
while(l<=r){
int mid=(l+r)/2;
if(check(mid)){
r=mid-1;
ans=mid;
}else{
l=mid+1;
}
}
cout<<ans;
return 0;
}
```
by cannotdp @ 2022-12-10 07:05:16
栓Q
by quruijie5418814524 @ 2022-12-10 08:18:28
89婚………………
by _____LCX_____ @ 2023-07-19 15:47:51