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  1. #include <iostream>
  2. #include <deque>
  3. using namespace std;
  4.  
  5. int main(){
  6. 	deque<int> folder;
  7.     unsigned long long N;
  8.  
  9.     cin >> N;
  10.     folder.push_back(N%10);
  11. 	N/=10;
  12. 	while (N!=0){
  13. 		for (int i=0; i<folder.size(); i++){
  14. 			if (folder.at(i) == N%10)
  15. 				i+=folder.size();	
  16. 			if (i == folder.size() -1)
  17. 				folder.push_back(N%10);
  18. 		}
  19.         N/=10;
  20.     }
  21.  	cout << "sum:" << folder.size();
  22.  
  23.     return 0;
  24. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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12345678900987654321
stdout
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sum:10
https://ideone.com/XwNXSi
A302
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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