LeetCode | Task '374. Guess Number Higher or Lower' | Python solution

374. Guess Number Higher or Lower

Easy

We are playing the Guess Game. The game is as follows:

I pick a number from 1 to n. You have to guess which number I picked.

Every time you guess wrong, I will tell you whether the number I picked is higher or lower than your guess.

You call a pre-defined API int guess(int num), which returns three possible results:

-1: Your guess is higher than the number I picked
1: Your guess is lower than the number I picked
0: your guess is equal to the number I picked

Return the number that I picked.
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Example 1:

Input: n = 10, pick = 6
Output: 6
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Example 2:

Input: n = 1, pick = 1
Output: 1
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Example 3:

Input: n = 2, pick = 1
Output: 1
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