What the post says
#day62 of #1001daysofcode" "Today again did questions on stack data structure, solved three medium questions." "" "Leetcode:" "1963. Minimum Number of Swaps to Make the String Balanced 1249. Minimum Remove to Make Valid Parentheses " "946. Validate Stack Sequences" "" "The time complexities were O(n) and O(n+m)." "They just helped me brush up my knowledge on stack to a particular level." "Also learned about singly and doubly linked lists." "" "#1001daysofcode #dsa #python #java #coding #geeksforgeeks #notion #programming #daily #cpp #learning #stack #linkedlist
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