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It appears as if the answer is not correct

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#1

The test cases do not include if the target number is bigger than the largest number in the array.
For example [1, 3, 5, 6] and target is 7

Course: The Algorithms and Data Structures Interview Crash Course - Learn Interactively
Lesson: First Element Not Smaller Than Target - The Algorithms and Data Structures Interview Crash Course

#2

Hey @william3!
It is mentioned in the problem statement that “Assume that it is guaranteed to find a satisfying number.” So there must be an equal or greater number in the array.