Problem 18: Find the maximum sum travelling from the top of the triangle to the base.
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Project Euler – Problem 18
Monday, July 30th, 2012
Project Euler – Problem 17
Monday, July 30th, 2012
Problem 17:
If the numbers 1 to 5 are written out in words: one, two, three, four, five, then there are 3 + 3 + 5 + 4 + 4 = 19 letters used in total.
If all the numbers from 1 to 1000 (one thousand) inclusive were written out in words, how many letters would be used?
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Project Euler – Problem 16
Sunday, July 29th, 2012
Problem 16: What is the sum of the digits of the number 2^1000?
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Project Euler – Problem 15
Sunday, July 29th, 2012
Problem 15: Starting in the top left corner in a 20 by 20 grid, how many routes are there to the bottom right corner?
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Project Euler – Problem 14
Sunday, July 29th, 2012
Problem 14: Find the longest sequence using a starting number under one million. (via Collatz conjecture)
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Project Euler – Problem 13
Sunday, July 29th, 2012
Problem 13: Find the first ten digits of the sum of one-hundred 50-digit numbers.
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Project Euler – Problem 12
Sunday, July 29th, 2012
Problem 12: What is the value of the first triangle number to have over five hundred divisors?
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Project Euler – Problem 11
Sunday, July 29th, 2012
Problem 11: What is the greatest product of four adjacent numbers on the same straight line in the 20 by 20 grid?
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Project Euler – Problem 10
Sunday, July 29th, 2012
Problem 10: Calculate the sum of all the primes below two million.
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Project Euler – Problem 9
Sunday, July 29th, 2012
Problem 9: Find the only Pythagorean triplet, {a, b, c}, for which a + b + c = 1000.
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