Bon Appétit
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import java.util.Scanner;
import static java.lang.System.*;
public class Main {
public static void main(String[] args) {
Scanner scan = new Scanner(in);
double n = scan.nextDouble();
double k = scan.nextDouble();
double r = 0;
for (double i = 0; i < n; ++i) {
double c = scan.nextDouble();
if (i == k) continue;
r += c;
}
double p = scan.nextDouble();
r = p - r / 2;
if (r == 0) {
out.println("Bon Appétit");
} else {
out.println(r);
}
}
}
Java
INFO