1047. Remove All Adjacent Duplicates In String - LeetCode Solution


Stack

Python Code:

class Solution:
    def removeDuplicates(self, S: str) -> str:
        d  = []


        s = ""


        for i in range(0, len(S), 1):

            if(len(d) == 0):
                d.append(S[i])
            else:
                if(d[len(d) -1] == S[i]):

                    d.pop()
                else:
                    d.append(S[i])


        for i in d:
            s+= i
        return s


        


Comments

Submit
0 Comments
More Questions

470. Implement Rand10() Using Rand7()
866. Prime Palindrome
1516A - Tit for Tat
622. Design Circular Queue
814. Binary Tree Pruning
791. Custom Sort String
787. Cheapest Flights Within K Stops
779. K-th Symbol in Grammar
701. Insert into a Binary Search Tree
429. N-ary Tree Level Order Traversal
739. Daily Temperatures
647. Palindromic Substrings
583. Delete Operation for Two Strings
518. Coin Change 2
516. Longest Palindromic Subsequence
468. Validate IP Address
450. Delete Node in a BST
445. Add Two Numbers II
442. Find All Duplicates in an Array
437. Path Sum III
436. Find Right Interval
435. Non-overlapping Intervals
406. Queue Reconstruction by Height
380. Insert Delete GetRandom O(1)
332. Reconstruct Itinerary
368. Largest Divisible Subset
377. Combination Sum IV
322. Coin Change
307. Range Sum Query - Mutable
287. Find the Duplicate Number