[LeetCode 36] Valid Sudoku [Java]

1. Description Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules. The Sudoku board could be partially filled, where empty ce...

[LeetCode 575] Distribute Candies [Java] [Beats : 95.78%]

1. Description Given an integer array with even length, where different numbers in this array represent different kinds of candies. Each number mea...