We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
from itertools import combinations
i = int(input())
y = list(input().split())
x = int(input())
io = [1 if 'a' in z else 0 for z in list(combinations(y, x))]
print(io.count(1)/len(io))
Cookie support is required to access HackerRank
Seems like cookies are disabled on this browser, please enable them to open this website
Iterables and Iterators
You are viewing a single comment's thread. Return to all comments →
from itertools import combinations i = int(input()) y = list(input().split()) x = int(input()) io = [1 if 'a' in z else 0 for z in list(combinations(y, x))] print(io.count(1)/len(io))