Question : A. Next Round time limit per test :3 secondsmemory limit per test: 256 megabytesinput/output : standard input / standard output “Contestant who earns a score equal to or greater than the k-th place finisher’s score will advance to the next round, as long as the contestant earns a positive score…” — an excerpt from contest rules. A total of n participants took part in the contest (n ≥ k), and you already know their scores. Calculate how many participants will advance to the next round. Input The first line of the input contains…