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- #include<iostream>
- using std::cin;
- using std::cout;
- using std::endl;
- bool hasUniqueDigits( unsigned n, unsigned m=0)
- {
- if(n >= 0 && n <= 9 && m == 0)
- {
- return true;
- }
- if(m&1<<(n%10))
- {
- return false;
- }
- else
- {
- m|=1<<(n%10);
- }
- return hasUniqueDigits(n/=10, m);
- }
- int main()
- {
- char c;
- cin>>c;
- return 0;
- }
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