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1 files changed, 24 insertions, 0 deletions

diff --git a/20_rot_matrix/rotate.c b/20_rot_matrix/rotate.c
new file mode 100644
index 0000000..79d7f3b
--- /dev/null
+++ b/20_rot_matrix/rotate.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+void rotate(char matrix[10][10]) {
+  int layer = 0;
+  char temp1;
+  char temp2;
+  char temp3;
+
+  while (layer <= 10/2) {
+    for (int i = layer; i < 10 - 1 - layer; i++) {
+      temp1 = matrix[i][10-1-layer];
+      temp2 = matrix[10-1-layer][10-1-i];
+      temp3 = matrix[10-1-i][layer];
+
+      matrix[i][10-1-layer] = matrix[layer][i];
+      matrix[10-1-layer][10-1-i] = temp1;
+      matrix[10-1-i][layer] = temp2;
+      matrix[layer][i] = temp3;
+    }
+    layer++;
+  }
+  
+}