Ruby Solution for Rotate Image

Author: saip7795

ruby/0048-rotate-image.rb

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+
+def rotate(matrix)
+    l = 0
+    r = matrix.size()-1
+
+    while l< r
+        (0..(r-l-1)).each do |i|
+            top = l
+            bottom = r
+
+            top_left = matrix[top][l+i]
+
+            matrix[top][l+i] = matrix[bottom-i][l]
+
+            matrix[bottom-i][l] = matrix[bottom][r-i]
+
+            matrix[bottom][r-i] = matrix[top+i][r]
+
+            matrix[top+i][r] = top_left
+        end
+
+        r -=1
+        l +=1
+    end
+end