Problem 42586. Find Missing Number

A little problem (inspired by CodeChef) for the coffee break.

A friend give you an array of size n-1 integers and these integers are in the range of 1 to n. There are no duplicates in array, but one of the integers is missing. Write efficient code to find the missing integer.

  • The first argument contains an integer n denoting the size of array
  • The second argument contains n integers A1, A2, ..., AN denoting the elements of array.

Solution Stats

54.35% Correct | 45.65% Incorrect
Last Solution submitted on Feb 20, 2024

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