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go/chessboard/HINTS.md

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+# Hints
+
+## General
+
+- An [integer value][integers] can be defined as one or more consecutive digits.
+- A [map value][maps] stores key-value data
+
+## 1. Given a Chessboard and a Rank, count how many squares are occupied
+
+- You can iterate a [map][maps]
+- Check if the value is true. If it is increment. This is to count pieces.
+- You have to [explicitly return an integer][return] from a function.
+
+## 2. Given a Chessboard and a File, count how many squares are occupied
+
+- You'll first need to check the file is within range.
+- Loop over the chessboard.
+- Add one if the square is occupied.
+
+## 3. Count how many squares are present in the given chessboard
+
+- There are many ways to solve this.
+- This should return how many squares are configured in a chess-board.
+
+## 4. Count how many squares are occupied in the given chessboard
+
+- Get the CountInRank for all ranks in the chessboard.
+
+[functions]: https://golang.org/ref/spec#Function_declarations
+[return]: https://golang.org/ref/spec#Return_statements
+[operators]: https://golang.org/ref/spec#Operators
+[integers]: https://golang.org/ref/spec#Integer_literals
+[calls]: https://golang.org/ref/spec#Calls
+[maps]: /tracks/go/concepts/maps