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Author: assassint2017

Count and Say/Count_and_Say.py

@@ -0,0 +1,35 @@
+# 40ms 90.52%
+class Solution:
+    def countAndSay(self, n):
+        """
+        :type n: int
+        :rtype: str
+        """
+        def count(strs):
+            res = ''
+            index = 0
+            len_strs = len(strs)
+            
+            while index < len_strs:
+                num = 1
+                letter = strs[index]
+
+                while index < len_strs:
+                    index += 1
+                    if index >= len_strs:
+                        res += (str(num) + letter)
+                        break
+
+                    if strs[index] == letter:
+                        num += 1
+                    else:
+                        res += (str(num) + letter)
+                        break
+            return res
+
+        for i in range(n):    
+            if i is 0:
+                temp = '1'
+            else:
+                temp = count(temp)
+        return temp