From 7c522bb58892db28bc6bf622e0027d1a67285763 Mon Sep 17 00:00:00 2001
From: Eat-Swap <root@eatswap.org>
Date: Thu, 2 Jun 2022 11:17:34 +0800
Subject: [PATCH] add: 220602 [cpp]

---
 cpp/2206/220602.cpp     | 19 +++++++++++++++++++
 cpp/2206/CMakeLists.txt |  2 +-
 2 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 cpp/2206/220602.cpp

diff --git a/cpp/2206/220602.cpp b/cpp/2206/220602.cpp
new file mode 100644
index 0000000..e556957
--- /dev/null
+++ b/cpp/2206/220602.cpp
@@ -0,0 +1,19 @@
+#include <vector>
+
+/**
+ * 867. Transpose Matrix
+ * Given a 2D integer array matrix, return the transpose of matrix.
+ * The transpose of a matrix is the matrix flipped over its main diagonal, switching the matrix's row and column indices.
+ */
+
+class Solution {
+public:
+	static std::vector<std::vector<int>> transpose(std::vector<std::vector<int>>& matrix) {
+		const int m = matrix.size(), n = matrix.front().size();
+		std::vector<std::vector<int>> ret(n, std::vector<int>(m));
+		for (int i = 0; i < m; ++i)
+			for (int j = 0; j < n; ++j)
+				ret[j][i] = matrix[i][j];
+		return ret;
+	}
+};
diff --git a/cpp/2206/CMakeLists.txt b/cpp/2206/CMakeLists.txt
index 128c9a8..fc3a086 100644
--- a/cpp/2206/CMakeLists.txt
+++ b/cpp/2206/CMakeLists.txt
@@ -3,4 +3,4 @@ PROJECT(2206)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2206 220601-CN.cpp)
+ADD_EXECUTABLE(2206 220602.cpp)