Tag: pascal triangle

Given an integer numRows, return the first numRows of Pascal’s triangle. In Pascal’s triangle, each number is the sum of the two numbers directly above it as shown: Example …

Teaching Kids Programming: Videos on Data Structures and Algorithms Permutation and Combination are the math concepts to count. Given N items, if we want to choose M items (M …

Teaching Kids Programming: Videos on Data Structures and Algorithms The Pascal Triangle looks like this: Each number is equal to the two numbers above it. Two edges are filled …

Given an index k, return the k-th row of the Pascal’s triangle. For example, given k = 3, Return . Could you optimize your algorithm to use only O(k) …

The puzzle is to generate the first few numRows rows of Pascal’s Triangle. Do you need to keep each row in separate variables (row vector)? Apparently no. The trick …