Invalid solutions

[sergerus]

When I see 'Find PI to the Nth Digit' I guess author of solution use aproximate numerical method. In real round(22/7). Did you check code before paste?

[sergerus]

https://github.com/brandonblock/PiDec/blob/master/PiDec/src/pidec/PiDec.java

[suuuehgi]

Did you check code before paste?

Afaics not at all:

PI=3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679;
int decimalPlaces;
[...]
cin>>decimalPlaces;
decimalPlaces+=1;
[...]
cout<<setprecision(decimalPlaces)<<PI<<endl;