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Author: itsmohitnarayan

python/0350-Intersection-of-two-arrays-II.py

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+class Solution:
+    def intersect(self, nums1: List[int], nums2: List[int]) -> List[int]:
+        counter1 = Counter(nums1)
+        counter2 = Counter(nums2)
+
+        # Using defaultdict to handle missing keys more efficiently
+        counter1 = defaultdict(int, counter1)
+        counter2 = defaultdict(int, counter2)
+
+        intersection = []
+
+        for num, freq in counter1.items():
+            min_freq = min(freq, counter2[num])
+            if min_freq > 0:
+                intersection.extend([num] * min_freq)
+
+        return intersection