add sol

leetcode/867.TransposeMatrix/transposeMatrix.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+	"fmt"
+)
+
+func transpose(matrix [][]int) [][]int {
+	m := len(matrix)
+	n := len(matrix[0])
+	result := make([][]int, n)
+	for i := 0; i < n; i++ {
+		result[i] = make([]int, m)
+		for j := 0; j < m; j++ {
+			result[i][j] = matrix[j][i]
+		}
+	}
+	return result
+}
+
+func main() {
+	matrix := [][]int{{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}
+	fmt.Println(transpose(matrix))
+}