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217. Contains Duplicate #23

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217. Contains Duplicate #23

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217. Contains Duplicate
IshanAryendu Apr 4, 2022
475fb65
49. Group Anagrams
IshanAryendu Apr 4, 2022
7d67040
49 Group Anagrams
IshanAryendu Apr 4, 2022
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49 Group Anagrams
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@IshanAryendu
IshanAryendu committed Apr 4, 2022
commit 7d6704094550ffbfbb0e6eeb96f64a8d1166bc3c
13 changes: 0 additions & 13 deletions java/217_Contains_Duplicate.java
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38 changes: 19 additions & 19 deletions java/49_Group_Anagrams.java → java/49-Group-Anagrams.java
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Original file line number Diff line number Diff line change
@@ -1,20 +1,20 @@
class Solution {
public List<List<String>> groupAnagrams(String[] strs) {
List<List<String>> res = new ArrayList<>();
if(strs.length==0) return res;
HashMap<String, List<String>> map = new HashMap();
for(String s: strs){
char[] hash = new char[26];
for(char c: s.toCharArray()){
hash[c-'a']++;
}
String str=new String(hash);
if(map.get(str)==null){
map.put(str, new ArrayList<>());
}
map.get(str).add(s);
}
res.addAll(map.values());
return res;
}
class Solution {
public List<List<String>> groupAnagrams(String[] strs) {
List<List<String>> res = new ArrayList<>();
if(strs.length==0) return res;
HashMap<String, List<String>> map = new HashMap();
for(String s: strs){
char[] hash = new char[26];
for(char c: s.toCharArray()){
hash[c-'a']++;
}
String str=new String(hash);
if(map.get(str)==null){
map.put(str, new ArrayList<>());
}
map.get(str).add(s);
}
res.addAll(map.values());
return res;
}
}