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static int anagram(String s) { int result = 0; Map map = new HashMap();
if (s.length() % 2 != 0) { return -1; } else { int half = s.length() / 2; for (int k = 0; k < half; k++) { char letter = s.charAt(k); if (!map.containsKey(letter)) { map.put(letter, 1); } else { Integer frequency = map.get(letter); map.put(letter, ++frequency); } } for (Map.Entry<Character, Integer> entry : map.entrySet()) { System.out.println(entry.getKey() + " " + entry.getValue()); } for (int k = half; k < s.length(); k++) { char letter = s.charAt(k); //System.out.println("a doua jumatate este:"); //System.out.println(letter); if (!map.containsKey(letter)) { result++; } else { Integer freq = map.get(letter); freq--; map.put(letter, freq); } } for (Map.Entry<Character, Integer> entry : map.entrySet()) { System.out.println(entry.getKey() + " " + entry.getValue()); } return result; } }
for String xaxbbbxx I obtain 0.
Can someone one say me why?
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Anagram
You are viewing a single comment's thread. Return to all comments →
static int anagram(String s) { int result = 0; Map map = new HashMap();
for String xaxbbbxx I obtain 0.
Can someone one say me why?