\$\begingroup\$ BTW it would be best to include the specification of the project Euler problem 1 in your question if you implemented the problem solution as stated in project euler. The first challenge is the following. Problem 1: If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. Ask Question Asked today. Viewed 11 times 1 $\begingroup$ Okay so the problem itself is really simple, If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. This problem is a programming version of Problem 1 from projecteuler.net. – Tangentially Perpendicular 15 mins ago If a box contains twenty-one coloured discs, composed of fifteen blue discs and six red discs, and two discs were taken at random, it can be seen that the probability of taking two blue discs, P(BB) = (15/21)×(14/20) = 1/2. The sum of these multiples is 23. Problem. I suppose that Euler_Project are for getting better at programming, I don't think you should handle answers as easily as you did. Problem 48 of Project Euler has the nice and simple description. ... but it was the Project Euler forums that showed me the formula to do it. We won't just give you a solution - what would you learn if we did? Active today. May 3, 2011 Programming C++, Code, Project Euler Rian. A more mathematical way to solve the first problem in the project Euler archives. Discussions. Here I make my solutions publicly available for other enthusiasts to learn from and to critique. Find the sum of all the multiples of 3 or 5 below 1000. I solve Project Euler problems to practice and extend my math and program­ming skills, all while having fun at the same time. If we list all the natural numbers below that are multiples of or , we get and . I'm learning C++ and currently doing Project Euler challenges. Please be sure to answer the question. Project Euler is a teaching resource. If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. Make an attempt, then come back with specific questions about any difficulties you're having. The sum of these multiples is 23. The sum of these multiples is 23. – Fabinout Jan 29 '14 at 16:24 Question 1: If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. Project Euler Problem 1 Statement. Especially when somebody already pointed out the problem in her code. Leaderboard. Since you have a generalized solution, you should provide your generalized specification of the problem. The sum of these multiples is . Project Euler (projecteuler.net) is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve. Project Euler solutions Introduction. Solution Obvious solution. Submissions. The series, 1 1 + 2 2 + 3 3 + … + 10 10 = 10405071317.. 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