C语言POJ-4022买房子

#include<stdio.h>
int main() {
    int n, k;
    int count;
    double s, p;
   scanf("%d%d", &n, &k);
   p = 200; s = n; count = 1;
	while (1) {
     	if (s >= p)
         	break;
     	else {
         	p += p * k * 0.01;
         	s += n;
         	count++;
      	}
   	    if (count > 20)
   	        break;
	 }
    	if (count <= 20)
       	 printf("%d", count);
    	else
       	 printf(“Impossible”);
	return 0;
}