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求调
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FROGXx楼主2024/11/24 12:12
#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll ans=0;
int a[1001]={};
void chai(int n)
{
	int k=1;
	while(n>1){
		int x=n%10;
		n/=10;
		a[k]=x;
		k++;
	}
	return ;
}
int main()
{
	int n;
	cin>>n;
	while(n!=495){
		chai(n);
		sort(a+1,a+4);
		n=99*(a[3]-a[1]);
		ans++;
	}
	cout<<ans<<endl;
	return 0;
}
2024/11/24 12:12
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