[LC] Solve Construct the Rectangle

[LC] Solve License Key Formatting

[LC] Solve Assign Cookies

[LC] Solve Number of Segments in a String

[LC] Solve Third Maximum Number

[LC] Solve Guess Number Higher or Lower

[LC] Solve Reverse Vowels of a String

[LC] Solve Nim Game

[LC] Solve Remove Element

[CF] Solve World Cup

[CF] Solve Pashmak and Flowers

[CF] Solve Sereja and Suffixes

[CF] Solve Books

[CF] Solve Friends and Candies

[CF] Solve Kefa and Park