// Created by Ricsae on 2024/11/13.
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define 初始化 system("CHCP 65001");system("cls");for(char i:str1)_str[0]+=i;for(char i:str2)_str[1]+=i;
#define Fexit system("pause");system("cls");break;
#define Fexit2 _sleep(300);printf_purple("请按下任意按键。");getchar();system("cls");break;
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YBBDPZB                           :::::................:\n""                            7BKXqBBB  .irrrrrrrrir::..      .............:.......  QBBgPqgM                              ..:::.:::::.......:\n""                            dBBBBBBBB7.ivsU22uJvLvv7r:i.:.::iiiiiiriiiriiiiii:i::LBQBBBBBBB                                         ..:::..:";
int y,m,d,cishu=0;
string _str[2]={"",""};
string encodedStr = "|%E9%83%91%E4%B8%96%E5%87%AF";
string decodedStr = "%E8%B0%81%E5%91%8A%E8%AF%89%E4%BD%A0%E8%BF%99%E4%B8%AA%E5%BD%A9%E8%9B%8B%E7%9A%84";
string wk_zh[7]={"日","一","二","三","四","五","六"};
string wk_en[7]={"Su","Mo","Tu","We","Th","Fr","Sa"};
const int str1[]={56,56,50,50,52,54,52,54,66,65};
const int str2[]={56,56,50,50,52,54,52,54,98,97};
const int runPing[2][13] = {{0,31,28,31,30,31,30,31,31,30,31,30,31},{0,31,29,31,30,31,30,31,31,30,31,30,31},};

int WeekDay(int y,int m,int d){
    if(y<1582||y==1582) {if(m<10||(m==10&&d<5))d+=3;else if(m==10&&(4<d&&d<15))return -1;}
    if(m<3){y--;m+=12;}return ((d+2*m+3*(m+1)/5+y+y/4-y/100+y/400)%7+1)%7;
}//相关：https://zh.wikipedia.org/zh-cn/%E8%94%A1%E5%8B%92%E5%85%AC%E5%BC%8F
int IsLeapYear(int year) {/*if(year<0)return -1;*/return ((year%4==0&&year%100!=0)||(year%400==0));}
int to_int(string s){int ans=0,k=0;for(char i:s)if('0'<=i&&i<='9'){ans=ans*10+(i-'0');k++;}if(!k)return 0;else return ans;}
bool IsTureData(){if(d==0)return false;if(m==0)y--,m=12;if(m>12)return false;if(d>runPing[IsLeapYear(y)][m])return false;return true;}
//颜色字
string ToString(int n){string t=" ";char tm;if(n<10){tm=n+'0';t+=" ";t+=tm;return t;}else{tm=n/10+'0';t+=tm;tm=n%10+'0';t+=tm;return t;}}
string ToStringB(int n) {string result;while (n > 0) {result.push_back('0' + (n % 10));n /= 10;}reverse(result.begin(), result.end());return result;}
void print(const char* s) { printf("\033[0m\033[1;32m%s\033[0m", s); }
void printf_red(const char* s) { printf("\033[0m\033[1;31m%s\033[0m", s); }
void printf_blue(const char* s) { printf("\033[0m\033[1;34m%s\033[0m", s); }
void printf_purple(const char* s) { printf("\033[0m\033[1;35m%s\033[0m", s); }
void print_cd(int time,const char* s) {_sleep(time);printf_blue(s);}
void clearInput() {/*清除错误状态*/
    cin.clear();/*辅助函数，用于清理输入流*/
    cin.ignore(numeric_limits<streamsize>::max(), '\n'); /*忽略错误输入*/
    printf_red("非法输入，请重新输入！\n");
}
void getdata(int n) {d=n%100,m=(n/100)%100,y=n/10000;}
void ToTrueDate() {/*int& y, int& m, int& d*/
    while(m>12)m-=12,y++;
    while(d>runPing[IsLeapYear(y)][m]){d-=runPing[IsLeapYear(y)][m],m++;if(m>12)m=1,y++;}
}

/*copy区:Unicode转码技术*/string urlDecode(const string& src) {string ret;for (size_t i = 0; i < src.length(); ++i) {if (src[i] == '%') {/*处理百分号编码*/if (i + 2 < src.length()) {std::string hex = src.substr(i + 1, 2);char decodedChar = static_cast<char>(std::stoi(hex, nullptr, 16));/*将十六进制字符串转换为字符*/ret += decodedChar;i += 2; /*跳过已处理的部分*/}} else if (src[i] == '+') ret += ' ';/*'+' 号转换为一个空格*/else ret += src[i]; /*直接添加其他字符*/}return ret;}

void PYear(int n){
    encodedStr+="|By:Ricsae";
    string decodedStr = urlDecode(encodedStr);
    int day[12][6][7]={{{{0}}}};
    for(int k=0;k<12;++k){
        int FD=WeekDay(y,k+1,1);
        int daynum=1;
        for(int i=0;i<6;++i){
            for(int j=((daynum==1)?FD%7:0);j<7;++j){
                if(y==1582&&k==9&&daynum==5)daynum+=10;
                if(daynum>runPing[IsLeapYear(y)][k+1])break;
                day[k][i][j]=daynum++;
            }
        }
    }
    string str1="";for(int i=0;i<26*n+5;i++)str1+="=";str1+="|";int tempa=ToStringB(y).length();str1.replace(tempa+2, 1, "|");str1.replace(0, 2, "||");str1.replace(2, tempa, ToStringB(y));cout<<str1<<endl;
    for(int k=0;k<12;k+=n){
        cout<<":";
        for(int x=0;x<n;++x){
            cout<<" "<<ToString(k+1+x);cout<<" ";for(string j:wk_en)cout<<" "<<j;
        }
        cout<<"    :\n";
        for(int i=0;i<6;++i){
            cout<<":";
            for(int x=0;x<n;++x){cout<<"     ";for(int j=0;j<7;++j)if(day[k+x][i][j])cout<<ToString(day[k+x][i][j]);else cout<<"   ";}
            cout<<"    :\n";
        }
    }
    string str2="|";for(int i=0;i<26*n+3-14;i++)str2+="=";str2.replace(26*n-11,1,decodedStr);str2+="|";cout<<str2<<endl;
}

signed main(){
    初始化
    string choice,temp;int value,op;
    while(true){
        print("请选择操作：\n1.查周几\n2.查闰年\n3.查日历\n4.彩蛋\n5.退出\n输入选项：\n");
        printf_purple("日期结构:YYYYMMDD(请一次全输入 如20240405<有点反人类)\n示例1: 20190220为2月20日 示例2: 20160301为3月1日\n");
        getline(cin, choice);
        // if (cin.fail() || choice < 1 || choice > 3) { clearInput(); continue;}// 应对非法输入的法二，弊端:过于麻烦,但可辅助输入
        if(choice=="1"){
            while(true) {
                print("查周几 示例: 20190220为2月20日\n请输入日期:(如果我沉默了一定是你不对!!!)\n");
                getline(cin,temp);value=to_int(temp);
                if(value<10000||cin.fail()){clearInput();continue;}
                getdata(value);
                if(d==0) continue;
                if(!IsTureData()){printf_blue("很屑的了,搞点正常的不行吗?\n");ToTrueDate();cout<<"\033[0;34m猜你想知道"<<y<<"年"<<m<<"月"<<d<<"日是星期几?\033[0m"<<endl;}
                int n=WeekDay(y,m,d);
                if(n==-1){printf_blue("不是哥们，日历上没这天,那天不是被搞没了。\n");}else{cout<<y<<"."<<m<<"."<<d<<"是星期"<<wk_zh[n]<<"["<<wk_en[n]<<"]\n";}
                Fexit
            }
        }else if(choice=="2"){
            while(true) {
                print("查闰年 请输入年份：");
                // cin>>value;cin.ignore(1e9,'\n');//方案1
                getline(cin,temp);value=to_int(temp);
                if(value<1||cin.fail()){clearInput();continue;}
                if(IsLeapYear(value))cout<<value<<"是闰年!"<<endl;else cout<<value<<"非闰年!"<<endl;
                if(value>9999)printf("\033[0m\033[24;34m%s\033[0m", "这个年号害我笑一下\n");
                Fexit
            }
        }else if(choice=="3"){
            while(true) {
                while(true){
                    print("查日历 请输入年份:\n");
                    getline(cin,temp);y=to_int(temp);
                    if(y<1||cin.fail()){clearInput();continue;}
                    break;
                }
                while(true){
                    print("查日历 输出多少列:\n");int n=13;
                    getline(cin,temp);n=to_int(temp);
                    if(cin.fail()){clearInput();continue;}
                    if(0<n&&n<13){
                        PYear(n);
                        Fexit
                    }else printf_red("非法输入，请重新输入！\n");
                }
                break;
            }
        }else if(choice=="4"){
            //后记:网络爬虫方案失败
            system("cls");
            if(cishu++)cout<<"这是你第"<<cishu<<"来这里了"<<endl<<"但菜单页为何不可以彩蛋呢?"<<endl;
            print_cd(1000,"Hi,这暗藏着彩蛋的部分信息\n");
            print_cd(1000,"3的bug最好找\n");
            print_cd(1000,"当输入不可被整除的数字时，输出会炸,甚至可能会把你卡出去\n");
            print_cd(1500,"除此外，其实还有个非常远古的游戏传统彩蛋：\n");
            print_cd(1500,"哦对了，其实有时候会触发渲染颜色问题\n");
            if(cishu>1)print_cd(1000,"提示1：\n数字+字母\n");
            if(cishu>2)print_cd(1000,"提示2：\n数字是由其他方式代替来的\n");
            if(cishu>3)print_cd(1000,"真的没新提示了\n");
            if(cishu>4)print_cd(1000,"再有新提示的话会④人的\n");
            system("pause");
            system("cls");
            // 后后记：突然就明白了，什么叫防御式代码
        }else if(choice=="5"){
            break;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  }else if(choice==_str[0]||choice==_str[1]){cout<<urlDecode(decodedStr)<<endl;WTF cout<<endl<<endl<<endl<<endl;
        }else{
            printf_red("非法输入，请重新输入！\n");
        }
    }
}
//Clion yyds