Initial commit

main.cpp

@@ -0,0 +1,24 @@
+#include <iostream>
+#include <string>
+
+// TODO:
+//  Use GMP for numbers (to allow for really big numbers)
+//  Make disproving mode
+//  Make no print mode (for speed, implement after disproving mode)
+
+int main(int argc, char* argv[]) {
+  // If number not provided
+  if (argc < 2) {
+    std::cout << "Usage: " << argv[0] << " <number>\n";
+    exit(1);
+  }
+  long long x { std::stoll(argv[1]) };
+  std::cout << x << '\n';
+  while (x != 1) {
+    if (x % 2 == 0)
+      x /= 2;
+    else if (x % 2)
+      x = x*3+1;
+    std::cout << x << '\n';
+  }
+}