Add two-stack-queue problem (#57)

7 years ago · df1c15de05
parent d9b9d4b5ca
commit df1c15de05
1 changed files with 1 additions and 0 deletions
--- a/algorithms/queue.md
+++ b/algorithms/queue.md
@ -2,3 +2,4 @@ Queue
 ==

 - Implement a Queue class from scratch with an existing bug, the bug is that it cannot take more than 5 elements.
+- Implement a Queue using two stacks. You may only use the standard `push()`, `pop()`, and `peek()` operations traditionally available to stacks. You do not need to implement the stack yourself (i.e. an array can be used to simulate a stack).