JAVA ac代码： 这题就是日期模板题目了 只需要先初始下bihua数组就好做了

import java.util.*;
import java.util.StringTokenizer;
import java.io.*;

public class Main {
	static int months[]={0,31,28,31,30,31,30,31,31,30,31,30,31};
	static int bihua[]={13,1,2,3,5,4,4,2,2,2};
	public static void main(String[] args) {
		int year=in.nextInt(),month=in.nextInt(),day=in.nextInt();
		int count=0;
		for(int y=2000;y<=year;y++){
			if(leap(y)){
				months[2]=29;
			}else{
				months[2]=28;
			}
			for(int m=1;m<=12;m++){
				for(int d=1;d<=months[m];d++){
					int ans=0;
					int y1=y/1000;
					int y2=y/100%10;
					int y3=y/10%10;
					int y4=y%10;
					int m1=m/10;
					int m2=m%10;
					int d1=d/10;
					int d2=d%10;
					ans=bihua[y1]+bihua[y2]+bihua[y3]+bihua[y4]+bihua[m1]+bihua[m2]+bihua[d1]+bihua[d2];
					if(ans>50) count++;
					if(y==year&&m==month&&d==day){
						out.println(count);
						out.close();
						return; 
					}
				}
			}
		}
	}
	
	public static boolean leap(int year){
		return (year%400==0)||(year%4==0&&year%100!=0);
	}

	static FastReader in=new FastReader();
	static PrintWriter out=new PrintWriter(System.out);
	static class FastReader{
		static BufferedReader br;
		static StringTokenizer st;
		FastReader(){
			br=new BufferedReader(new InputStreamReader(System.in));
		}
		String next() {
			String str="";
			while(st==null||!st.hasMoreElements()) {
				try {
					str=br.readLine();
				}catch(IOException e) {
					throw new RuntimeException(e);
				}
				st=new StringTokenizer(str);
			}
			return st.nextToken();
		}
		int nextInt() {
			return Integer.parseInt(next());
		}
		double nextDouble() {
			return Double.parseDouble(next());
		}
		long nextLong() {
			return Long.parseLong(next());
		}
	}
	
}