PAT乙级1037 在霍格沃茨找零钱

#include <iostream>#include <math.h>using namespace std;int main(){    int Galleon1,Sickle1,Knut1,Galleon2,Sickle2,Knut2,Galleon3,Sickle3,Knut3;    int P=0,A=0,ans;     scanf("%d.%d.%d",&Galleon1,&Sickle1,&Knut1);    scanf("%d.%d.%d",&Galleon2,&Sickle2,&Knut2);    P=Galleon1*17*29+Sickle1*29+Knut1;    A=Galleon2*17*29+Sickle2*29+Knut2;    ans=A-P;    Galleon3=ans/(17*29);    Sickle3=(ans%(17*29))/29;    Knut3=ans%29;    printf("%d.%d.%d\n",Galleon3,abs(Sickle3),abs(Knut3));    return 0;}