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diff --git a/introductory_problems/readme.md b/introductory_problems/readme.md index 1ff88eb..d276f99 100644 --- a/introductory_problems/readme.md +++ b/introductory_problems/readme.md @@ -6,3 +6,10 @@ Consider an algorithm that takes as input a positive integer `n`. If `n` is even **Input**: The only input line contains an integer `n`. (Example: 3) **Output**: Print a line that contains all values of `n` during the algorithm. (Example: 3 10 5 16 8 4 2 1) + +### Missing Number +You are given all numbers between `1, 2, ..., n` except one. Your task is to find the missing number. + +**Input**: The first input line contains an integer `n`. The second input line contains `n - 1` numbers. Each number is distinct and between 1 and `n` (inclusive). (Example: 5`\n`2 3 1 5) + +**Output**: Print the missing number. (Example: 4) |