C語言編寫 輸入年月日,輸出這個日期的下一天的日期
阿新 • • 發佈：2019-01-03
#include <stdio.h>
main()
{ int year,month,day,flag=0;
m:
printf("Please input year month day:");
scanf("%d%d%d",&year,&month,&day);
if((year%4==0&&year%100!=0)||year%400==0)
flag=1;
if(month==2)
{ if((day==28&&flag==0)||(day==29&&flag==1))
{ day=1;
month++;
}
else if(day==29&&flag==0)
{ printf("There is not 29th February!\n",year);
goto m;
}
else day++;
}
else if(month==12)
{ if(day==31)
{ day=1;
month=1;
year++;
}
else day++;
}
else if(month==1||month==3||month==5||month==7||month==8||month==10)
{ if(day==31)
{ day=1;
month++;
}
else day++;
}
else
{ if(day==30)
{ day=1;
month++;
}
else day++;
}
printf("the next day is %4d %4d %4d\n",year,month,day);
}