Randomize.

Problem.cpp

@@ -4,6 +4,7 @@
 #include <locale.h>
 #include <syslog.h>
 #include <stdexcept>
+#include <ctime>
 
 bool Problem::seeded = false;
 
@@ -14,8 +15,7 @@ Problem::Problem(PROBLEM_TYPE type, unsigned short max_digits, unsigned win_x, u
 	// TODO(dev): Should this be in main.cpp?
 	if(!seeded)
 	{
-		// srand(time());
-		srand(0);
+		srand(std::time(NULL));
 		setlocale(LC_NUMERIC, ""); // apostrophe to enable thousands separator in printf statements.
 		seeded = true;
 	}