A permutation of an array of integers is an arrangement of its members into a sequence or linear order.
Given an m x n integer matrix matrix, if an element is 0, set its entire row and column to 0's.
m x n
matrix
0
Given an integer numRows, return the first numRows of Pascal's triangle.
numRows
These were the top 10 stories published by Competitive Programming Problems; you can also dive into yearly archives: 2020, 2022.