陌路何相逢

#include<stdbool.h>

#include<stdio.h>

int main(void)

{

    int month1,day1,year1,month2,day2,year2;

    bool first_earlier;

    printf("Enter first date(mm/dd/yy):");

    setvbuf(stdout,NULL,_IONBF,0);

    scanf("%d/%d/%d",&month1,&day1,&year1);

    printf("Enter second date(mm/dd/yy):");

    scanf("%d/%d/%d",&month2,&day2,&year2);

    if(year1 != year2)

       first_earlier=(year1<year2);

    elseif(month1 != month2)

       first_earlier=(month1<month2);

    else

       first_earlier=(day1<day2);

    if(first_earlier)

       printf("%d/%d/%.2d is earlier than %d/%d/%.2d\n",month1,day1,year1,month2,day2,year2);

    else

        printf("%d/%d/%.2d is earlier than %d/%d/%.2d\n",month2,day2,year2,month1,day1,year1);

    return 0;

}