Update

Author: kumailn

Python/Number_Of_Islanda.py

@@ -0,0 +1,17 @@
+def numIslands(self, grid):
+        """
+        :type grid: List[List[str]]
+        :rtype: int
+        """
+        c = 0
+        def dfs(i, j, grid):
+            if i < 0 or j < 0 or i >= len(grid) or j >= len(grid[0]) or grid[i][j] == "0": return
+            grid[i][j] = "0"
+            dfs(i - 1, j, grid)
+            dfs(i + 1, j, grid)
+            dfs(i, j + 1, grid)
+            dfs(i, j - 1, grid)
+        for i, v in enumerate(grid):
+            for j, u in enumerate(v):
+                if u == "1": c += 1; dfs(i, j, grid)
+        return c

Python/Plus_One.py

@@ -17,4 +17,5 @@ def plusOne(nums):
 
 print(plusOne([1, 2, 3, 4, 0]))
 print(plusOne([9, 9]))
-print(plusOne([9, 9, 5, 9]))
+print(plusOne([9, 9, 5, 9]))
+print(plusOne([0]))

Python/Strobogrammatic_Number.py

@@ -0,0 +1,12 @@
+def isStrobogrammatic(self, num):
+        """
+        :type num: str
+        :rtype: bool
+        """
+        n2 = ""
+        updowns = {"6": "9", "8": "8", "9": "6", "0":"0", "1":"1"}
+        if "7" in num or "5" in num or "3" in num or "4" in num or "2" in num: return False
+        for i, v in enumerate(num[::-1]):
+            n2 += updowns[v]
+        print(n2)
+        return num == n2