因为考研机试的原因，C和C++最好都准备一下，所以有C++版本。
#include <iostream>
#include <cstring>
#include <map>
using namespace std ;
int cmp(int year,int mouth,int day){
if(year<2024 || year == 2024 && day < 6){
return 0 ;
}
return 1 ;
}
int main( ){
int A[13]={0,31,28,31,30,31,30,31,31,30,31,30,31} ;
string s ;
int mouth , day , year ;
map<string,int>Mouthmap = {
{"January",1},{"February",2},{"March",3},{"April",4},
{" May",5},{"June",6},{"July",7},{"August",8},
{"September",9},{ "October",10},{"November",11},{"December",12}
};
while(cin >> day >> s >> year){
mouth =Mouthmap[s] ;
int flag = 0 ;
int pastyear=year,pastmouth=mouth,pastday=day;
int futyear=2024,futmouth=1,futday=6;
if( cmp(year,mouth,day) ){
futday=pastday;
futmouth=pastmouth;
futyear=pastyear;
pastmouth=1;
pastyear=2024;
pastday=6;
flag = 1 ;
}
int gap = 0 ;
while( pastyear!=futyear || pastmouth != futmouth || pastday != futday ){
bool judge = pastyear % 400 == 0 || pastyear % 100 != 0 && pastyear % 4 == 0 ;
if(judge){
A[2]=29;
}else{
A[2]=28;
}
if( pastday <= A[pastmouth] ){
pastday++;
gap++;
}else{
pastmouth++;
pastday = 1 ;
if(pastmouth == 13){
pastyear++;
pastmouth=1;
}
}
}
gap %= 7;
int x = 6 ;
if(flag==0){
x =(6 - gap + 7 ) % 7 ;
}else{
x =(6+ gap ) % 7 ;
}
flag = 0 ;
string week[7]={"Sunday","Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
cout << week[x] << '\n';
}
return 0 ;
}OJ时间过长未通过，不知道为啥。
Clion上结果如下：
