There's certainly a strong element of computational mathematics. A lot of the problems deal with things like Mersenne Primes or Collatz sequences. On the other

There's certainly a strong element of computational mathematics. A lot of the problems deal with things like Mersenne Primes or Collatz sequences. On the other hand, there are problems like "Maximum Path Sum" which definitely make use of DSA-style tricks (https://projecteuler.net/problem=67 https://projecteuler.net/problem=67).