极其暴力的算法

#include<bits/stdc++.h>
using namespace std;
int max(int x){
    int a=x%10;
    x/=10;
    int b=x%10;
    x/=10;
    int c=x%10;
    int m,mi,l;
    if(a>b&&a>c) m=a;
    else if(a>b||a>c) mi=a;
    else l=a;
    if(b>a&&b>c) m=b;
    else if(b>a||b>c) mi=b;
    else l=b;
    if(c>a&&c>b) m=c;
    else if(c>b||c>a) mi=c;
    else l=c;
    return m*100+mi*10+l;
}
int min(int x){
    int a=x%10;
    x/=10;
    int b=x%10;
    x/=10;
    int c=x%10;
    int m,mi,l;
    if(a>b&&a>c) m=a;
    else if(a>b||a>c) mi=a;
    else l=a;
    if(b>a&&b>c) m=b;
    else if(b>a||b>c) mi=b;
    else l=b;
    if(c>a&&c>b) m=c;
    else if(c>b||c>a) mi=c;
    else l=c;
    return l*100+mi*10+m;
}
int main(){
    int ab,cnt=0;
    cin>>ab;
    while(ab!=495){
        cnt++;
        ab=max(ab)-min(ab);
    }
    cout<<cnt;
}