蓝桥杯算法训练VIP-黑色星期五-题解（Java代码）

解题思路:

注意事项:

参考代码:

import java.util.Calendar;

import java.util.Scanner;

public class Main {

public static void main(String[] args) {

Scanner scanner=new Scanner(System.in);

int year=scanner.nextInt();

int count=0;

Calendar time1=Calendar.getInstance();

for(int month=0;month<=11;month++) {

time1.set(year, month, 13);

if(time1.get(Calendar.DAY_OF_WEEK)==6) {

count++;

}

}

System.out.print(count);

}

}