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  1. #include <iostream>
  2. #include <map>
  3. #include <set>
  4. #include <string>
  5. #include <vector>
  6. #include <algorithm>
  7. #include <sstream>
  8.  
  9. using namespace std;
  10.  
  11. string itoa(int n)
  12. {
  13.     stringstream ss;
  14. 	ss <<n;
  15. 	return ss.str();
  16. }
  17.  
  18. string gen_hash(string s)
  19. {
  20. 	int count[26];
  21. 	string hash="";
  22. 	fill_n(count,26,0);
  23. 	for (int i = 0; i < s.size(); ++i)
  24. 	{
  25. 		++count[s[i]-'a'];
  26. 	}
  27. 	for (int i = 0; i < 26; ++i)
  28. 	{
  29. 		if(count[i]!=0)
  30. 		{
  31. 			hash+=('a'+i);
  32. 			hash+=itoa(count[i]);
  33. 		}
  34. 	}
  35. 	return hash;
  36. }
  37.  
  38. int main()
  39. {
  40. 	int N;
  41. 	string S;
  42. 	map<string,set<string> > anagram_group;
  43. 	set<set<string> > sorted;
  44. 	cin >> N;
  45. 	for (int i = 0; i < N; ++i)
  46. 	{
  47. 		cin >> S;
  48. 		anagram_group[gen_hash(S)].insert(S);
  49. 	}
  50. 	for (map<string,set<string> >::iterator i = anagram_group.begin(); i != anagram_group.end(); ++i)
  51. 	{
  52. 		sorted.insert(i->second);
  53. 	}
  54. 	for (set<set<string> >::iterator i = sorted.begin(); i != sorted.end(); ++i)
  55. 	{
  56. 		for (set<string>::iterator j = i->begin(); j!= i->end() ; ++j)
  57. 		{
  58. 			cout<<*j<<" ";
  59. 		}
  60. 		cout<<"\n";
  61. 	}
  62. 	return 0;
  63. }
Success #stdin #stdout 0s 3488KB
comments (?)
stdin 
7
aabbcc
acbabc
abccba
bcba
ab
aa
abbc
stdout 
aa 
aabbcc abccba acbabc 
ab 
abbc bcba
https://ideone.com/IhjnMK
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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