#include<stdio.h>
int person(double,double );
void main()
{
double p=13,man=12.3;
int y;
y=person(man,p);
printf("需要%d年\n",y);
}
int person(double man,double p)
{
double spr,sum,aut,win;
int year=0;
while(man<=p)
{
spr=man*0.02+man; sum=spr*0.015+spr; aut=sum*0.01+sum; win=aut*0.005+aut; man=win;year++;
}
return (year);
}