Rotate array

Author: holman57

Diff for: rotate_array.c

@@ -0,0 +1,17 @@
+
+void rotate(int **a, int n, int *matrixColSize) {
+    for (int i = 0; i < n; i++) {
+        for (int j = i + 1; j < n; j++) {
+            a[i][j] ^= a[j][i];
+            a[j][i] ^= a[i][j];
+            a[i][j] ^= a[j][i];
+        }
+    }
+    for (int i = 0; i < n; i++) {
+        for (int j = 0, k = n - 1; j < k; j++, k--) {
+            a[i][j] ^= a[i][k];
+            a[i][k] ^= a[i][j];
+            a[i][j] ^= a[i][k];
+        }
+    }
+}