feat(Week13): Add solutions to most exercises

1 files changed, 17 insertions, 0 deletions

diff --git a/Week13/Exercise18.cpp b/Week13/Exercise18.cpp
new file mode 100644
index 0000000..1e55af5
--- /dev/null
+++ b/Week13/Exercise18.cpp
@@ -0,0 +1,17 @@
+#include <iostream>
+
+unsigned digitOccur(unsigned num, unsigned digit) {
+	if (num == 0)
+		return 0;
+	else
+		return (num % 10 == digit) + digitOccur(num / 10, digit);
+}
+
+int main() {
+	unsigned num, digit;
+	std::cin >> num >> digit;
+
+	std::cout << digitOccur(num, digit) << std::endl;
+
+	return 0;
+}