/*
This is part of Drachess Pan 's header libary.
You can see it if you want, but only copy it when you are allowed by me.
If you want to change or copy it, tell me.
*/#ifndef PANMATH_H#define PANMATH_H#include<cmath>//it's about the high level math.boolisprime(int a){
if(a<=1)return0;
for(int i=2;i*i<=a;i++)
if(a%i==0)return0;
return1;
}
intpytha(int a,int b){
returnsqrt(a*a + b*b);
}
#endif