直接套用pdf文档中的日期计算模板,然后将日期转化为字符串，遍历字符串的各个元素，统计笔画数即可。

#include <bits/stdc++.h>

using namespace std;

int m1[]={0,1,3,5,7,8,10,12};

int m2[]={0,4,6,9,11};

int main()
{
	int num=0;
	int year=2000,month=1,day=1;
	int year2=2024,month2=4,day2=13;
	while(1)
	{
		for(int i=1;i<=7;i++)
		{
			if(month==m1[i] && day==32)
			{
				month++;
				day=1;
				break;
			}
		}
		for(int i=1;i<=4;i++)
		{
			if(month==m2[i] && day==31)
			{
				month++;
				day=1;
				break;
			}
		}
		if(month==2)
		{
			if((year%4==0 && year%100!=0) || year%400==0){
				if(day==30){
					month++;
					day=1;
				}
			}else{
				if(day==29){
					month++;
					day=1;
				}
			}
		}
		if(month==13){
			year++;
			month=1;
		}
		string str;
		string s_year=to_string(year);
		string s_month= month<10 ? "0"+to_string(month) : to_string(month);
		string s_day= day<10 ? "0"+to_string(day) : to_string(day);
		str = s_year + s_month + s_day;
		int sum=0;
		for(int i=0;i<str.size();i++)
		{
			if(str[i]=='1') sum +=1;
			else if(str[i]=='2'||str[i]=='7'||str[i]=='8'||str[i]=='9') sum +=2;
			else if(str[i]=='3') sum +=3;
			else if(str[i]=='4') sum +=5;
			else if(str[i]=='5'||str[i]=='6') sum +=4;
			else if(str[i]=='0') sum += 13;
		}
		if(sum >50) num++;
		if(year==year2&&month==month2&&day==day2){
			break;
		}
		day++;
	}
	cout<<num<<endl;
	return 0;
}