All stories published by Data Science & LeetCode for Kindergarten on April 05, 2023

All Stories published by Data Science & LeetCode for Kindergarten on April 05, 2023

Given an integer numRows, return the first numRows of Pascal's triangle.

Given an m x n grid of characters board and a string word, return true if word exists in the grid.

Determine if a 9 x 9 Sudoku board is valid. Only the filled cells need to be validated according to the following rules:

You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money.

Return the fewest number of coins that you need to make up that amount. If that amount of money cannot be made up by any…

Given an integer array nums sorted in non-decreasing order, remove the duplicates in-place such that each unique element appears only once. The relative order of the elements should be kept the same. Then return the number of unique elements in nums.