https://github.com/pierrechevalier83/euler
Project Euler (my solutions with C++17 and range-v3)
https://github.com/pierrechevalier83/euler
euler-solutions eulerproject moderncpp ranges ranges-v3
Last synced: 12 months ago
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Project Euler (my solutions with C++17 and range-v3)
- Host: GitHub
- URL: https://github.com/pierrechevalier83/euler
- Owner: pierrechevalier83
- Created: 2017-10-10T01:30:42.000Z (over 8 years ago)
- Default Branch: master
- Last Pushed: 2017-10-22T13:02:07.000Z (over 8 years ago)
- Last Synced: 2025-02-09T13:29:34.128Z (about 1 year ago)
- Topics: euler-solutions, eulerproject, moderncpp, ranges, ranges-v3
- Language: C++
- Size: 14.6 KB
- Stars: 1
- Watchers: 3
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
Project Euler
-------------
These will be my solutions to the Project Euler problems.
[1](1/src/main.cpp)
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If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.
Find the sum of all the multiples of 3 or 5 below 1000.
[2](2/src/main.cpp)
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Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be:
1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ...
By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms.
[3](3/src/main.cpp)
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The prime factors of 13195 are 5, 7, 13 and 29.
What is the largest prime factor of the number 600851475143 ?
[4](4/src/main.cpp)
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A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 × 99.
Find the largest palindrome made from the product of two 3-digit numbers.
[5](5/src/main.cpp)
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2520 is the smallest number that can be divided by each of the numbers from 1 to
10 without any remainder.
What is the smallest positive number that is evenly divisible by all of the
numbers from 1 to 20?
[6](6/src/main.cpp)
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The sum of the squares of the first ten natural numbers is,
1^2 + 2^2 + ... + 10^2 = 385
The square of the sum of the first ten natural numbers is,
(1 + 2 + ... + 10)^2 = 55^2 = 3025
Hence the difference between the sum of the squares of the first ten natural numbers and the square of the sum is 3025 − 385 = 2640.
Find the difference between the sum of the squares of the first one hundred natural numbers and the square of the sum.
[7](7/src/main.cpp)
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By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13.
What is the 10 001st prime number?
[8](8/src/main.cpp)
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The four adjacent digits in the 1000-digit number that have the greatest product are 9 × 9 × 8 × 9 = 5832.
73167176531330624919225119674426574742355349194934
96983520312774506326239578318016984801869478851843
85861560789112949495459501737958331952853208805511
12540698747158523863050715693290963295227443043557
66896648950445244523161731856403098711121722383113
62229893423380308135336276614282806444486645238749
30358907296290491560440772390713810515859307960866
70172427121883998797908792274921901699720888093776
65727333001053367881220235421809751254540594752243
52584907711670556013604839586446706324415722155397
53697817977846174064955149290862569321978468622482
83972241375657056057490261407972968652414535100474
82166370484403199890008895243450658541227588666881
16427171479924442928230863465674813919123162824586
17866458359124566529476545682848912883142607690042
24219022671055626321111109370544217506941658960408
07198403850962455444362981230987879927244284909188
84580156166097919133875499200524063689912560717606
05886116467109405077541002256983155200055935729725
71636269561882670428252483600823257530420752963450
Find the thirteen adjacent digits in the 1000-digit number that have the greatest product. What is the value of this product?
[9](9/src/main.cpp)
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A pythagorean triplet is a set of three natural numbers, a < b < c, for which, a^2 + b^2 = c^2
For example, 3^2 + 4^2 = 9 + 16 = 25 = 5^2
There exists exactly one Pythagorean triplet for which a + b + c = 1000
Find the product abc