题解

#include<iostream>
using namespace std;

int main(){
int n=0;
cin>>n;
for(int i=0;i<n;i++){
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;
}