/* dan so the gioi hien tai la x nguoi

   Muc tang hang nam la y%

   Sau it nhat bao nhieu nam thi san so khong it hon z nguoi

*/

#include<conio.h>

#include<stdio.h>

void main()

{

 int x,y,z,t,n;

 printf("

Nhap so nguoi hien tai%d",&x);

 printf("

Nhap so tang % hang nam%d",&y);

 printf("

Nhap so nguoi trong tuong lai%d",&z);

 n=0;

 t=x;

 while(t<z)

 {

   n=n+1;

   t=t+y*n/100;

 }

 printf("

So nam n=%d",n);

 getch();

}