View Code of Problem 118

#include <stdio.h>
#include <math.h>
#include <string.h>
int main()
{
	int n, k = 1;
	double sum;
	while (scanf("%d", &n) != EOF) {
		if (n <= 3) {
			printf("Case #%d: 5\n", k);
			k++;
		}
		else {
			sum = 5 + (n - 3) * 1.5;
			if (int(sum) != sum) {
				sum += 0.5;
			}
			printf("Case #%d: %.0lf\n", k, sum);
			k++;
		}
	}
	return 0;
}