23. Missing and Repeating in an Array | 3 approaches | Arrays - Hard | Learn DSA
Timestamps:
Problem discussion: 00:00
1st approach (visited array): 01:34
2nd approach (inplace change): 04:54
3rd approach (xor): 10:42
Time Complexity : O(n)
Space Complexity : O(1)
GFG Link: https://www.geeksforgeeks.org/find-a-...
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