#include<stdio.h>
#include<vector>
using namespace std;

double* dilution_sequence(double initial_percent, double replacement_percent, int times){
	double *percent_remaining = new double[times + 1];
	percent_remaining[0] = initial_percent;
	for(int i = 1; i <= times; i++){
		percent_remaining[i] = percent_remaining[i-1] * ((100.0 - replacement_percent) / 100.0);
	}
	return percent_remaining;
}

int main(){
	double* dilutions = dilution_sequence(50, 90, 5);
	for(int i = 0; i <= 5; i++){
		printf("After %d rocks, we have %lf percent antifreeze\n", i, dilutions[i]);
	}
	delete [] dilutions;
	return 0;
}