[w11] Added solutions

1 files changed, 30 insertions, 0 deletions

diff --git a/week11/ex3.cpp b/week11/ex3.cpp
new file mode 100644
index 0000000..bdcf937
--- /dev/null
+++ b/week11/ex3.cpp
@@ -0,0 +1,30 @@
+#include <iostream>
+
+void ages(const int mult, const int sum, int youngest, int middle, int oldest, bool &foundSolution) {
+	// Не проверяваме за сума, понеже винаги правим такива извиквания, че сумата да е коректна
+	if (youngest * middle * oldest == mult) {
+		std::cout << youngest << " " << middle << " " << oldest << std::endl;
+		foundSolution = true;
+		return;
+	}
+
+	// Правим middle по-стар като копенсираме чрез по-млад oldest
+	if (!foundSolution && oldest - 1 > middle + 1)
+		ages(mult, sum, youngest, middle + 1, oldest - 1, foundSolution);
+	// Правим youngest по-стар, като middle трябва да има най-малко същата му възраст
+	if (!foundSolution && sum - 2*(youngest + 1) > youngest + 1)
+		ages(mult, sum, youngest + 1, youngest + 1, sum - 2*(youngest + 1), foundSolution);
+}
+
+void ages(const int mult, const int sum) {
+	bool foundSolution = false;
+	// Започваме с минималните възможни възрасти за youngest и middle
+	ages(mult, sum, 1, 1, sum - 2, foundSolution);
+}
+
+int main() {
+	int mult, sum;
+	std::cin >> mult >> sum;
+
+	ages(mult, sum);
+}