Merge branch 'master' of https://github.com/evilz/algorithm-datastructure.git

Author: evilz

README.md

@@ -17,12 +17,18 @@ algorithm and data structure
 
 
 Sample :
+
 |           |   n = 1   |   n = 16  |  n = 256  |   n = 4K  |  n = 64K  |   n = 1M  |
 |-----------|:---------:|:---------:|:---------:|:---------:|:---------:|:---------:|
 | O(1)      | 1.000E+00 | 1.000E+00 | 1.000E+00 | 1.000E+00 | 1.000E+00 | 1.000E+00 |
 | O(lg n)   | 0.000E+00 | 4.000E+00 | 8.000E+00 | 1.200E+01 | 1.600E+01 | 2.000E+01 |
 | O(n)      | 1.000E+00 | 1.600E+01 | 2.560E+02 | 4.096E+03 | 6.554E+04 | 1.049E+06 |
 | O(n lg n) | 0.000E+00 | 6.400E+01 | 2.048E+03 | 4.915E+04 | 1.049E+06 | 2.097E+07 |
 | O(n2)     | 1.000E+00 | 2.560E+02 | 6.554E+04 | 1.678E+07 | 4.295E+09 | 1.100E+12 |
-| O(2n)     | 2.000E+00 | 6.554E+04 | 1.158E+77 |     —     |     —     |     —     |
-| O(n!)     | 1.000E+00 | 2.092E+13 |     —     |     —     |     —     |     —     |
+| O(2n)     | 2.000E+00 | 6.554E+04 | 1.158E+77 |     —     |     —     |     —     |
+| O(n!)     | 1.000E+00 | 2.092E+13 |     —     |     —     |     —     |     —     |
+
+
+### DFS Console visualizer
+
+![](https://raw.githubusercontent.com/evilz/algorithm-datastructure/master/DFS-Visualizer.gif)