solves 69/73 cases, timed out

NeetCodeRoadmap/Arrays_and_Hashing/128_Longest_Consecutive_Sequence.py

@@ -1,21 +0,0 @@
-def longestConsecutive(nums):
-        """
-        :type nums: List[int]
-        :rtype: int
-        """
-        nums.sort()
-        length = len(nums)
-        sequence = []
-        larger = []
-        for x in nums:
-            if x < length and x not in sequence:
-                sequence.append(x)
-            elif x == max(sequence)+1:
-                sequence.append(x)
-            else:
-                larger.append(x)
-        return len(sequence)
-
-print(longestConsecutive([100,4,200,1,3,2]))
-print(longestConsecutive([0,3,7,2,5,8,4,6,0,1]))
-print(longestConsecutive([1,3,5,2,4]))

NeetCodeRoadmap/Two_Pointers/128_Longest_Consecutive_Sequence.py

@@ -0,0 +1,40 @@
+def longestConsecutive(nums):
+        """
+        :type nums: List[int]
+        :rtype: int
+        """
+        # Handle edge-case
+        if len(nums) < 1:
+            return 0
+        nums.sort()
+        sequence = [nums[0]]
+        answer = 0
+        temp = None
+        print(nums)
+        for r in range(len(nums)):
+            # print(nums[r])
+            # print(f'seq is {sequence} with len of {len(sequence)}')
+            if nums[r] == max(sequence)+1 and nums[r] not in sequence:
+                # print(f'hit {nums[r]}')
+                sequence.append(nums[r])
+            elif nums[r] == max(sequence):
+                continue
+            else:
+                print(f'seq is {sequence} with len of {len(sequence)}')
+                if len(sequence) > answer:
+                    answer = len(sequence)
+                    # print('hit')
+                sequence.clear()
+                sequence.append(nums[r])
+        if len(sequence) > answer:
+            return len(sequence)
+        else:
+            return answer
+
+
+
+# print(longestConsecutive([100,4,200,1,3,2]))
+# print(longestConsecutive([0,3,7,2,5,8,4,6,0,1]))
+# print(longestConsecutive([1,3,5,2,4]))
+# print(longestConsecutive([9,1,4,7,3,-1,0,5,8,-1,6]))
+print(longestConsecutive([1,2,0,1]))