A famous example would be the Traveling Salesman challenge: offered a list of towns, and the times to receive from any metropolis to another, plus a time Restrict, a possible Answer would certainly be a list of cities within the buy the salesman visits them, and it would work https://financefeeds.com/michael-saylor-predicts-a-copyright-comeback-under-trump-3-best-copyright-to-buy-now-before-the-bulls-take-over/