寝室卫生问题

2007~2010，所以从2007年开始判断

#include <stdio.h>#include <stdlib.h>int main(){int year,month,day;int months[13]={0,31,29,31,30,31,30,31,31,30,31,30,31}; scanf("%d %d %d",&year,&month,&day);if(!(year%4==0&&year%100!=0||year%400==0))months[2]=28;int i;int j,k;int sum=0;if(year==2007){for(i=9;i<month;i++){sum+=months[i];}sum+=day;}else if(year>=2008){for(i=2008;i<year;i++){if((i%4==0 && i%100!=0) || i%400==0){sum+=366;}elsesum+=365;}for(i=1;i<month;i++){sum+=months[i];}sum+=day+122;}j=sum%7;k=sum%14;if(j==1&&k==1||j==6&&k==6||j==4&&k==11)printf("B\n");if(j==2&&k==2||j==6&&k==7||j==5&&k==12)printf("X\n");if(j==3) printf("ALL\n");if(j==4&&k==4||j==1&&k==8||j==6&&k==13) printf("H\n");if(j==5&&k==5||j==2&&k==9||j==0&&k==0) printf("P\n");return 0;}