Hackerrank Problem Solving python || plus minus solution || coding india
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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, though answers with absolute error of up to 10^-4 are acceptable.
Example
arr = [1,1,0,-1,-1]
There are n=5 elements, two positive, two negative and one zero. Their ratios are 2/5=0.400000, 2/5=0.400000 and 1/5=0.200000. Results are printed as:
OUTPUT:-
0.400000
0.400000
0.200000
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