matrix

func GenerateMatrix ¶

func GenerateMatrix(n int) [][]int

GenerateMatrix generates an n x n matrix filled with elements from 1 to n2 in spiral order.

func KWeakRows ¶

func KWeakRows(mat [][]int, k int) []int

KWeakRows the indices of the k weakest rows in the matrix ordered from weakest to strongest, mat is an m x n binary matrix. A row i is weaker than a row j if one of the following is true: - The number of 1 in row i is less than the number of 1 in row j. - Both rows have the same number of 1 and i < j.

func Reshape ¶

func Reshape(nums [][]int, r int, c int) [][]int

Reshape reshapes the matrix from m * n to r * c

func Search ¶

func Search(matrix [][]int, target int) bool

Search searches for a value in an m x n matrix.

func SetZeroes ¶

func SetZeroes(matrix [][]int)

func SpiralOrder ¶

func SpiralOrder(matrix [][]int) []int

SpiralOrder returns all elements of the matrix in spiral order.