LeetCode Algorithms # Title Solutions Difficulty 1122 Relative Sort Array Solution Easy 412 Fizz Buzz Solution Easy 1431 Kids With the Greatest Number of Candies Solution Easy 804 Unique Morse Code Words Solution Easy 242 Valid Anagram Solution Easy 169 Majority Element Solution Easy 1480 Running Sum of 1d Array Solution Easy 1470 Shuffle the Array Solution Easy 1342 Number of Steps to Reduce a Number to Zero Solution Easy 977 Squares of a Sorted Array Solution Easy 268 Missing Number Solution Easy 557 Reverse Words in a String III Solution Easy 1221 Split a String in Balanced Strings Solution Easy 824 Goat Latin Solution Easy 49 Group Anagrams Solution Medium 7 Reverse Integer Solution Easy 1295 Find Numbers with Even Number of Digits Solution Easy 383 Ransom Note Solution Easy 1476 Subrectangle Queries Solution Medium 1486 XOR Operation in an Array Solution Easy 461 Hamming Distance Solution Easy 771 Jewels and Stones Solution Easy 1351 Count Negative Numbers in a Sorted Matrix Solution Easy 844 Backspace String Compare Solution Easy 1047 Remove All Adjacent Duplicates In String Solution Easy 1021 Remove Outermost Parentheses Solution Easy 1381 Design a Stack With Increment Operation Solution Medium 1437 Check If All 1's Are at Least Length K Places Away Solution Medium 1185 Day of the Week Solution Easy 344 Reverse String Solution Easy 137 Single Number II Solution Medium 58 Length of Last Word Solution Easy 125 Valid Palindrome Solution Easy 1357 Apply Discount Every n Orders Solution Medium 1347 Minimum Number of Steps to Make Two Strings Anagram Solution Medium 155 Min Stack Solution Easy 1460 Make Two Arrays Equal by Reversing Sub-arrays Solution Easy 1455 Check If a Word Occurs As a Prefix of Any Word in a Sentence Solution Easy 705 Design HashSet Solution Easy 28 Implement strStr() Solution Easy 283 Move Zeroes Solution Easy 1426 Counting Elements Solution Easy 122 Best Time to Buy and Sell Stock II Solution Easy 20 Valid Parentheses Solution Easy 682 Baseball Game Solution Easy 442 Find All Duplicates in an Array Solution Medium 27 Remove Element Solution Easy