由于审核时，大段题目 文字和其他文章题目内容 重复，导致审核不过，所以这里题目略：
AC代码：
#include <iostream>
#include <string.h>
#include <sstream>
#include <vector>
#include <algorithm>using namespace std;string date;
string AA,BB,CC;
int aa,bb,cc;
vector<string> Dates;int StoI(string st){stringstream ss(st);int t;ss>>t;return t;
}string ItoS(int t){stringstream is;is<<t;return is.str();
}void getAABBCC(){AA=date.substr(0,2);//从下标2开始的2个子串BB=date.substr(3,2);CC=date.substr(6,2);aa=StoI(AA);bb=StoI(BB);cc=StoI(CC);
}
/*这些日期都在1960年1月1日至2059年12月31日
*/
int leap[12]={31,29,31,30,31,30,31,31,30,31,30,31};//闰年
int common[12]={31,28,31,30,31,30,31,31,30,31,30,31};//平年bool isLeap(int year){if( (year%4==0 && year%100!=0) || year%400==0 )return true;return false;
}void getExactDate(int year,int month,int day){string res="error";if( (isLeap(year) && day<=leap[month-1]) ||(!isLeap(year) && day<=common[month-1]) )res=ItoS(year)+"-"+((month<10)?("0"):(""))+ItoS(month)+"-"+((day<10)?("0"):(""))+ItoS(day);if(res!="error" && find(Dates.begin(),Dates.end(),res)==Dates.end() )//日期正确且未重复Dates.push_back(res);
}void isYYMMDD(){if(BB>"00" && BB<="12" && CC>"00" && CC<="31"){int year;if(AA<="59")year=StoI("20"+AA);elseyear=StoI("19"+AA);getExactDate(year,bb,cc);}
}//AA BB CC
void isMMDDYY(){if(AA>"00" && BB>"00" && AA<="12" && BB<="31"){int year;if(CC<="59")year=StoI("20"+CC);elseyear=StoI("19"+CC);getExactDate(year,aa,bb);}
}// AA BB CC
void isDDMMYY(){if(BB>"00" && AA>"00" && BB<="12" && AA<="31"){int year;if(CC<="59")year=StoI("20"+CC);elseyear=StoI("19"+CC);getExactDate(year,bb,aa);}
}int main()
{cin>>date;getAABBCC();isYYMMDD();isMMDDYY();isDDMMYY();sort(Dates.begin(),Dates.end());for(int i=0;i<Dates.size();i++)cout<<Dates[i]<<endl;return 0;
}