07/07/19 01:30:00
>>306
int main(){
double a,b,t; int n;
scanf("%lf,%lf,%d",&a,&b,&n);
while(--n>0)
t=b,b=2*a*b,a=a*a-t*t;
printf("%g+%gi\n",a,b);
}
07/07/19 01:30:00
>>306
int main(){
double a,b,t; int n;
scanf("%lf,%lf,%d",&a,&b,&n);
while(--n>0)
t=b,b=2*a*b,a=a*a-t*t;
printf("%g+%gi\n",a,b);
}