QUESTION:

Given an array of integers, calculate the ratios of its elements that are positive, negative, and zero. Print the decimal value of each fraction on a new line with 6 places after the decimal.

Note: This challenge introduces precision problems. The test cases are scaled to six decimal places,

Print the following 3 lines, each to 6 decimals:

proportion of positive values
proportion of negative values
proportion of zeros
Sample Input

STDIN Function
—– ——–
6 arr[] size n = 6
-4 3 -9 0 4 1 arr = [-4, 3, -9, 0, 4, 1]
Sample Output

0.500000
0.333333
0.166667

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