LeetCode Q 279 - Perfect SquaresGiven a positive integer n, find the least number of perfect square numbers (for example

LeetCode Q 313 - Super Ugly NumberWrite a program to find the nth super ugly number. Super ugly numbers are positive num

LeetCode Q 263 - Ugly Number IIWrite a program to find the n-th ugly number. Ugly numbers are positive numbers whose pri

LeetCode Q 263 - Ugly NumberWrite a program to check whether a given number is an ugly number. Ugly numbers are positive

LeetCode Q 268 - Missing NumberGiven an array containing n distinct numbers taken from 0, 1, 2, …, n, find the one that

LeetCode Q 258 - Add DigitsGiven a non-negative integer num, repeatedly add all its digits until the result has only one