Price Before GST

The amount payable after GST - AP is applied is passed as the input. The GST rate R as percentage is also passed as the input.
The program must print the price P on which the GST was applied, with the precision upto 2 decimal places.

Input Format:
The first line contains AP.
The second line contains R.

Output Format:
The first line contains P.

Boundary Conditions:
1.00 <= AP <= 99999.99
2 <= R <= 40

Example Input/Output 1:
Input:
118
18

Output:
100.00

Example Input/Output 2:
Input:
133.10
10

Output:
121.00

C code:

#include<stdio.h>

#include <stdlib.h>

int main()

{

int p;

float n;

scanf("%f\n%d",&n,&p);

printf("%.2f",(float)((n*100)/(100+p)));

}