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You have some coins. The i-th coin has a probability prob[i]
of facing heads when tossed.
Return the probability that the number of coins facing heads equals target if
you toss every coin exactly once.
Example 1:
Input: prob = [0.4], target = 1
Output: 0.40000
Example 2:
Input: prob = [0.5,0.5,0.5,0.5,0.5], target = 0
Output: 0.03125
Constraints:
1 <= prob.length <= 10000 <= prob[i] <= 10 <= target <= prob.length- Answers will be accepted as correct if they are within
10^-5 of the correct
answer.
Difficulty:
Medium
Lock:
Prime
All contents and pictures on this website come from the Internet and are updated regularly every week. They are for personal study and research only, and should not be used for commercial purposes. Thank you for your cooperation.