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13 lines
246 B
Go
13 lines
246 B
Go
package main
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func reverseSubmatrix(grid [][]int, x int, y int, k int) [][]int {
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for i := 0; i < k/2; i++ {
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for j := range k {
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temp := grid[x+k-1-i][y+j]
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grid[x+k-1-i][y+j] = grid[x+i][y+j]
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grid[x+i][y+j] = temp
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}
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}
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return grid
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}
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