Add question 1

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]`
 
 ```

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.
+
+*
+**  *
+** **
+** **
+** ***
+******
+'''
+```