Project Euler 20 In C

I use the Big Integer class from the last two videos to solve

Adding up all the digits in 100! (factorial, not yelling the number). Videos going forward should be in 1440p 60fps if all goes right.

In this video, I will be coding the solution for the problem #

Pretty easy/short one, just brute forcing numbers under 1 million by even/odd until they reach 1, and counting the number of terms ...

I mean BigInt just melts this one. It's perhaps against the spirit of

Factorial Digit Sum. Please Subscribe! Leave comments and questions in the comment section below.

How many days has September? This problem may seem tricky for those not used to working with dates but the solution is quite ...

In this video we solve the 20th problem of

Getting the sum of all amicable numbers under 10000 ...

In this video I tackle a problem about cyclic sets of figurate numbers. Have you ever heard of a heptagonal number?

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Adding up a bunch of prime numbers using a sieve! It's algorithmic.

Sort names into alphabetic order, give them alphabetic scores, and multiply by their sorted position Mistakes: -Said 'A' and 'B' ...