GitHub

17-Print-all-duplicates-in-input-String.java

count.put(str.charAt(i) , count.get(str.charAt(i))+1); else count.put(str.charAt(i),1); //increase the count of characters by 1 ...
GitHub

19-Longest Sub-string With K Distinct Characters.java

https://www.codingninjas.com/codestudio/guided-paths/data-structures-algorithms/content/118626/offering/1377986?leftPanelTab=1 ...