GFG BIRTHDAY PARADOX

#include<stdio.h>

int main(){
    float num = 365;
    float denom = 365;
    float pr;
    int n = 0;
    
    printf("Probability to find : ");
    scanf("%f", &pr);
    float p = 1;
    
    while (p > pr){
        p *= (num/denom);
        num--;
        n++;
    }
 
    printf("\nTotal no. of people out of which there is %0.1f probability that two of them have same birthdays is %d ", p, n);
    return 0;
}