代码如下:
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int sum = 0; int i = 0; int[] nums = {0,0,0,0}; while (sum<n){ i++; int a = i/100; int b = (i-a*100)/10; int c = i-a*100-b*10; if (i % 7 == 0 || a ==7 || b ==7 || c==7){ if ((i-1)%4 ==0) nums[0]++; else if ((i-2)%4 ==0) nums[1]++; else if ((i-3)%4 ==0) nums[2]++; else nums[3]++; } else sum++; } for (int a : nums) System.out.println(a); } }