Find missing and repeating element in an array of 1 to n elements. N is the size of array. Solve in O-n time and O-1 space.

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Find missing and repeating element in an array of 1 to n elements in O(n) time and O(1) space.

  • Iterate through the array and for each element, mark the element at index equal to its value as negative. ...read more

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