Working!

Euler 13
Euler 12 Done

Ugly Code ;)
Needs cleaning up
Python+ C++ versions

C++ is about 100x faster haha. Python though only took 5 min to write
C++ about 20! So technically Python is fastest... C== execs in ~1.5 s
15

Euler 15. Done in 5 min in Python, easy!
15

C++ Perfectly commented&executed