My solutions to Project Euler problems in C++, C#, and Python.
| Number | Problem | C++ | C# | Python |
|---|---|---|---|---|
| 1 | Multiples of 3 and 5 | ✔️ source | ✔️ source | ✔️ source |
| 2 | Even Fibonacci numbers | ✔️ source | ✔️ source | ✔️ source |
| 3 | Largest prime factor | ❌ | ✔️ source | ✔️ source |
| 4 | Largest palindrome product | ❌ | ✔️ source | ✔️ source |
| 5 | Smallest multiple | ✔️ source | ✔️ source | ✔️ source |
| 6 | Sum square difference | ✔️ source | ✔️ source | ✔️ source |
| 7 | 10001st prime | ❌ | ✔️ source | ✔️ source |
| 8 | Largest product in a series | ❌ | ✔️ source | ✔️ source |
| 9 | Special Pythagorean triplet | ❌ | ✔️ source | ❌ |
| 10 | Summation of primes | ❌ | ❌ | ✔️ source |
| 11 | Largest product in a grid | ❌ | ❌ | ✔️ source |
| 12 | Highly divisible triangular number | ❌ | ❌ | ✔️ source |
| 13 | Large sum | ❌ | ❌ | ✔️source |
| 14 | Longest Collatz sequence | ❌ | ❌ | ✔️ source |
| 15 | Lattice paths | ❌ | ❌ | ✔️ source |
| 16 | Power digit sum | ❌ | ✔️ source | ❌ |
| 17 | Number letter counts | ❌ | ✔️ source | ❌ |
| 20 | Factorial digit sum | ❌ | ✔️ source | ❌ |
| 22 | Names score | ❌ | ✔️ source | ❌ |
| 25 | 1000-digit Fibonacci number | ❌ | ✔️ source | ❌ |
| 28 | Number spiral diagonals | ❌ | ✔️ source | ❌ |
| 42 | Coded triangle numbers | ❌ | ✔️ source | ❌ |