I would say it depends on what you are trying to learn. These types of problems will give you a good intro to a language, but won't introduce you to the more a

I would say it depends on what you are trying to learn. These types of problems will give you a good intro to a language, but won't introduce you to the more advanced libraries which you'll likely need in a professional context (e.g. threading/mutexs, tcp/udp, etc).