From c8c5f36bfbd7e42888c44c88ebd4a29fb2f47bb7 Mon Sep 17 00:00:00 2001
From: Yangshun Tay <tay.yang.shun@gmail.com>
Date: Wed, 18 Oct 2017 17:32:03 +0800
Subject: [PATCH] Add question 1

---
 algorithms/array.md             |  2 +-
 questions/01-histogram-stars.md | 35 +++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 questions/01-histogram-stars.md

diff --git a/algorithms/array.md b/algorithms/array.md
index 4027cfaa..0de9fedc 100644
--- a/algorithms/array.md
+++ b/algorithms/array.md
@@ -7,7 +7,7 @@ Arrays
 - Paginate an array with constraints, such as skipping certain items.
 - Implement a circular buffer using an array.
 - Given array of arrays, sort them in ascending order.
-- Given an array of integers, print out a histogram of using said array; include a base layer (all stars)
+- Given an array of integers, print out a histogram using the said array; include a base layer (all stars)
   - E.g. `[5, 4, 0, 3, 4, 1]`
 
 ```
diff --git a/questions/01-histogram-stars.md b/questions/01-histogram-stars.md
new file mode 100644
index 00000000..a0a6a448
--- /dev/null
+++ b/questions/01-histogram-stars.md
@@ -0,0 +1,35 @@
+---
+id: 1
+title: Histogram Stars
+topics: [array]
+difficulty: easy
+---
+
+## Question
+
+```
+'''
+Given an array of integers, print out a histogram using the array. Include a base layer (all stars)
+
+[5, 4, 0, 3, 4, 1] will result in the following:
+
+******
+*****
+*
+****
+*****
+**
+'''
+```
+
+```
+Print out a vertical version of the histogram.
+
+*
+**  *
+** **
+** **
+** ***
+******
+'''
+```