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18 lines
450 B
Go
18 lines
450 B
Go
package leetcode
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func rotate(matrix [][]int) {
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length := len(matrix)
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// rotate by diagonal 对角线变换
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for i := 0; i < length; i++ {
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for j := i + 1; j < length; j++ {
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matrix[i][j], matrix[j][i] = matrix[j][i], matrix[i][j]
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}
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}
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// rotate by vertical centerline 竖直轴对称翻转
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for i := 0; i < length; i++ {
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for j := 0; j < length/2; j++ {
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matrix[i][j], matrix[i][length-j-1] = matrix[i][length-j-1], matrix[i][j]
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}
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}
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}
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