分類：Leetcode | Hsing Yu = = We are the dreamers. We make it happen 'cause we can see it.

Hard ( 19 )

04-21

879. Profitable Schemes

Medium ( 110 )

04-20

662. Maximum Width of Binary Tree

04-19

1372. Longest ZigZag Path in a Binary Tree

Easy ( 68 )

04-17

1431. Kids With the Greatest Number of Candies

Hard ( 19 )

04-15

2218. Maximum Value of K Coins From Piles

Medium ( 110 )

04-15

516. Longest Palindromic Subsequence

04-13

946. Validate Stack Sequences

04-12

71. Simplify Path

04-11

2390. Removing Stars From a String

Easy ( 68 )

04-10

20. Valid Parentheses