feat: add golang solution to lc problems: No.0168,0190 (doocs#908)

* No.0168.Excel Sheet Column Title
* No.0190.Reverse Bits

Author: atompi

solution/0100-0199/0168.Excel Sheet Column Title/README.md

@@ -17,7 +17,7 @@ C -> 3
 ...
 Z -> 26
 AA -> 27
-AB -> 28 
+AB -> 28
 ...
 </pre>
 
@@ -129,6 +129,20 @@ public class Solution {
 }
 ```
 
+### **Go**
+
+```go
+func convertToTitle(columnNumber int) string {
+	res := []rune{}
+	for columnNumber != 0 {
+		columnNumber -= 1
+		res = append([]rune{rune(columnNumber%26 + int('A'))}, res...)
+		columnNumber /= 26
+	}
+	return string(res)
+}
+```
+
 ### **...**
 
 ```

solution/0100-0199/0168.Excel Sheet Column Title/README_EN.md

@@ -15,7 +15,7 @@ C -> 3
 ...
 Z -> 26
 AA -> 27
-AB -> 28 
+AB -> 28
 ...
 </pre>
 
@@ -112,6 +112,20 @@ public class Solution {
 }
 ```
 
+### **Go**
+
+```go
+func convertToTitle(columnNumber int) string {
+	res := []rune{}
+	for columnNumber != 0 {
+		columnNumber -= 1
+		res = append([]rune{rune(columnNumber%26 + int('A'))}, res...)
+		columnNumber /= 26
+	}
+	return string(res)
+}
+```
+
 ### **...**
 
 ```

solution/0100-0199/0168.Excel Sheet Column Title/Solution.go

@@ -0,0 +1,9 @@
+func convertToTitle(columnNumber int) string {
+	res := []rune{}
+	for columnNumber != 0 {
+		columnNumber -= 1
+		res = append([]rune{rune(columnNumber%26 + int('A'))}, res...)
+		columnNumber /= 26
+	}
+	return string(res)
+}

solution/0100-0199/0190.Reverse Bits/README.md

@@ -132,6 +132,19 @@ impl Solution {
 }
 ```
 
+### **Go**
+
+```go
+func reverseBits(num uint32) uint32 {
+	var ans uint32 = 0
+	for i := 0; i < 32; i++ {
+		ans |= (num & 1) << (31 - i)
+		num >>= 1
+	}
+	return ans
+}
+```
+
 ### **...**
 
 ```

solution/0100-0199/0190.Reverse Bits/README_EN.md

@@ -120,6 +120,19 @@ impl Solution {
 }
 ```
 
+### **Go**
+
+```go
+func reverseBits(num uint32) uint32 {
+	var ans uint32 = 0
+	for i := 0; i < 32; i++ {
+		ans |= (num & 1) << (31 - i)
+		num >>= 1
+	}
+	return ans
+}
+```
+
 ### **...**
 
 ```

solution/0100-0199/0190.Reverse Bits/Solution.go

@@ -0,0 +1,8 @@
+func reverseBits(num uint32) uint32 {
+	var ans uint32 = 0
+	for i := 0; i < 32; i++ {
+		ans |= (num & 1) << (31 - i)
+		num >>= 1
+	}
+	return ans
+}