求助！！！

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n=0;
	cin>>n;
	for(int m=0;m<=n;m++){
		char str[11];
		cin>>str;
		char max='0';
	for(int i=0;str[i]!='\0';i++)
		if(str[i]>max)
			max=str[i];
			cout<<(max<='1')<<" "<<(max<='7')<<" "<<(max<='9')<<" "<<(max<='F')<<" "<<endl;
	}
	return 0;
}

#include<bits/stdc++.h> using namespace std; int main() { int n=0; cin>>n; for(int m=0;m<=n;m++){ char str[11]; cin>>str; char max='0'; for(int i=0;str[i]!='\0';i++) if(str[i]>max) max=str[i]; cout<<(max<='1')<<" "<<(max<='7')<<" "<<(max<='9')<<" "<<(max<='F')<<" "<<endl; } return 0; }

欺人太甚