"Correct" answer does not have enough precision.
You need more test cases, with different values of n. Otherwise it's trivial to defeat the test suite.
I agree with Sean
I agree with Sean and Guillaume. I had to use "y = round(y*10000)/10000;" to get my code to pass the test.
Determine if a Given Number is a Triangle Number
We love vectorized solutions. Problem 1 : remove the row average.
MATCH THE STRINGS (2 CHAR) very easy
Create sequnce 1 4 9 16 25.........
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