Add code of GFG

LeetCode/string/Special Binary String.py

@@ -0,0 +1,14 @@
+class Solution:
+    def makeLargestSpecial(self, s: str) -> str:
+        l=r=0
+        res=[]
+        for i in range(len(s)):
+            if s[i]=='0':
+                r-=1
+            else:
+                r+=1
+            if r == 0:
+                res.append("1"+self.makeLargestSpecial(s[l+1:i])+"0")
+                l=i+1
+        res.sort(reverse=True)
+        return "".join(res)

gfg/Kth Smallest Element/Kth smallest element.py

@@ -0,0 +1,14 @@
+from heapq import *
+class Solution:
+    def kthSmallest(self, arr, l, r, k):
+        heap = []
+        for item in arr[:k]:
+            heappush(heap, -item)
+
+        for item in arr[k:]:
+            if item < -heap[0]:
+                heappush(heap, -item)
+                heappop(heap)
+
+        temp = heappop(heap)
+        return -temp