Add reverse-string

Author: Gituser143

Easy/README.md

@@ -42,6 +42,7 @@ Easy
 - [reshape-the-matrix.md](reshape-the-matrix.md)
 - [reverse-integer.md](reverse-integer.md)
 - [reverse-linked-list.md](reverse-linked-list.md)
+- [reverse-string.md](reverse-string.md)
 - [roman-to-int.md](roman-to-int.md)
 - [squares-of-a-sorted-array.md](squares-of-a-sorted-array.md)
 - [symmetric-tree.md](symmetric-tree.md)

Easy/reverse-string.md

@@ -0,0 +1,20 @@
+Code
+====
+
+```go
+func reverseString(s []byte) {
+	i := 0
+	j := len(s) - 1
+
+	for i < j {
+		s[i], s[j] = s[j], s[i]
+		i += 1
+		j -= 1
+	}
+}
+```
+
+Solution in mind
+================
+
+-	Swap front and back elements, while moving towards the centre.

README.md

@@ -7,7 +7,7 @@ Link to profile, [bhargavsnv100](https://leetcode.com/bhargavsnv100/)
 
 | [Easy](Easy/README.md) | [Medium](Medium/README.md) | [Hard](Hard/README.md) |
 |------------------------|----------------------------|------------------------|
-| 52                     | 87                         | 19                     |
+| 53                     | 87                         | 19                     |
 
 Problems finished
 =================
@@ -56,6 +56,7 @@ Easy
 - [reshape-the-matrix.md](Easy/reshape-the-matrix.md)
 - [reverse-integer.md](Easy/reverse-integer.md)
 - [reverse-linked-list.md](Easy/reverse-linked-list.md)
+- [reverse-string.md](Easy/reverse-string.md)
 - [roman-to-int.md](Easy/roman-to-int.md)
 - [squares-of-a-sorted-array.md](Easy/squares-of-a-sorted-array.md)
 - [symmetric-tree.md](Easy/symmetric-tree.md)