package backjoon; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; // https://www.acmicpc.net/problem/4344 // 평균은 넘겠지 public class _4344 { public static void main(String[] args) throws IOException { //sol memory 13288 time 116 BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); //테스트 케이스 개수 int cntCase = Integer.parseInt(br.readLine()); StringTokenizer st; for(int i=0; i avg){ ratio++; } } ratio = (ratio/cntStudent)*100.00; System.out.printf("%.3f", ratio); System.out.println("%"); } } } /* input 1 9 100 99 98 97 96 95 94 93 91 5 5 50 50 70 80 100 7 100 95 90 80 70 60 50 3 70 90 80 3 70 90 81 9 100 99 98 97 96 95 94 93 91 output 40.000% 57.143% 33.333% 66.667% 55.556% */