algorithm/LeetCode-Go
1
0
Fork 0
mirror of https://github.com/halfrost/LeetCode-Go.git synced 2025-07-06 01:15:57 +08:00
Code Issues Packages Projects Releases Wiki Activity

fix/48: clean up code

Browse Source
This commit is contained in:
novahe
2021-05-20 00:03:28 +08:00
parent 851946dc9a
commit bb50f33fec
2 changed files with 14 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
leetcode/0048.Rotate-Image/48. Rotate Image.go
View File

@ -1,26 +1,17 @@
package leetcode
func rotate(matrix [][]int) {
row := len(matrix)
if row <= 0 {
return
}
column := len(matrix[0])
length := len(matrix)
// rotate by diagonal 对角线变换
for i := 0; i < row; i++ {
for j := i + 1; j < column; j++ {
tmp := matrix[i][j]
matrix[i][j] = matrix[j][i]
matrix[j][i] = tmp
for i := 0; i < length; i++ {
for j := i + 1; j < length; j++ {
matrix[i][j], matrix[j][i] = matrix[j][i], matrix[i][j]
}
}
// rotate by vertical centerline 竖直轴对称翻转
halfColumn := column / 2
for i := 0; i < row; i++ {
for j := 0; j < halfColumn; j++ {
tmp := matrix[i][j]
matrix[i][j] = matrix[i][column-j-1]
matrix[i][column-j-1] = tmp
for i := 0; i < length; i++ {
for j := 0; j < length/2; j++ {
matrix[i][j], matrix[i][length-j-1] = matrix[i][length-j-1], matrix[i][j]
}
}
}