labs 1-6: init

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

lab3/7.cpp

@@ -0,0 +1,24 @@
+#include <cstdint>
+#include <iostream>
+using namespace std;
+
+uint64_t factorial(uint n) { return (n ? n * factorial(n - 1) : 1); }
+
+class NumberWithFactorial {
+private:
+  uint n;
+  uint64_t f;
+
+public:
+  NumberWithFactorial(uint);
+};
+
+NumberWithFactorial::NumberWithFactorial(uint n) {
+  this->n = n;
+  this->f = factorial(n);
+  cout << "Factorial of " << this->n << " is " << this->f << endl;
+}
+
+int main() {
+  NumberWithFactorial(5);
+}