Dice sum probability
You roll `dice` fair dice, each with faces numbered 1..`faces`. Return the probability that the sum of the faces equals exactly `target`, rounded to 6 decimal places. If the target is unreachable the probability is 0.0.
Implement
dice_sum_probability(dice: int, faces: int, target: int) → floatExamples
in
[2,6,7]out0.166667What a strong answer looks like
State your approach and its time/space complexity out loud before you optimize. Handle the edge cases (empty input, duplicates, overflow), and say why you chose this over the brute force. Green tests are the floor, not the grade.
0:00 of about 25 min
solution.py
InputExpectedGot
[2,6,7]0.166667not run yetsample