Retired
How many e's are written when one counts up to n? 1. Chinese (retired)
26 of 27jungerstein
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Test case only goes up to
n = 8000000, evenO(n)solution passes. There are no actual performance constraints, which the description is implying to have.This is a duplicate of https://www.codewars.com/kata/55143152820d22cdf00001bb (digit to count changed from
9to2).I know that there have been so many similar katas.
However, this kata has its own settings and I recommend you to figure out the shortcuts yourself instead of being hinted so directly and thinking the katas are all the same thing.
That is why I decided to make this kata.
I am sorry for making it so similar, but the settings can be used for something far more complicated.
可惜不会cpp;-)
什么玩意 为毛这些人出题不用汉子
I think you need more secondary / random tests. My first solution passed but gets many wrong. There should be enough tests or a few tests with large numbers to encourage faster solutions.