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Problem Link Solution 1 class Solution: def findCircleNum(self, isConnected: List[List[int]]) -> int: res = 0 for i in...
Problem Link Solution 1: Using three for loops class Solution: def fourSumCount(self, nums1: List[int], nums2: List[int], nums3: List[int], nums4:...
Problem Link class Solution: def numberOfBoomerangs(self, points: List[List[int]]) -> int: res = 0 for p1 in points: d...