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Luís Ramalho

Developer & Entrepreneur

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Recent Posts

Project Euler — Problem 58

Spiral primes is a problem in which one must find the side length of the square spiral for which the ratio of primes along both diagonals first falls below 1...

Project Euler — Problem 57

Square root convergents is a problem in which one must find how many fractions of the square root of 2 contain a numerator with more digits than denominator.

Project Euler — Problem 56

Powerful digit sum is a problem in which one must find the maximum digital sum considering natural numbers of the form, a^b, where a, b < 100.

Project Euler — Problem 55

Lychrel numbers is a problem in which one must find how many Lychrel numbers are there below ten-thousand. You can read here more about Lychrel numbers.

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