#include <stdio.h>
void main()
{struct time
{int hours; int minutes; int seconds;};
struct time a,b;
printf("Enter the hours(0-23);\n"); scanf("%d",&a.hours);
printf("Enter the minutes(0-59):\n"); scanf("%d",&a.minutes);
printf("Enter the seconds(0-59):\n"); scanf("%d",&a.seconds);
b.seconds=a.seconds+1; b.minutes=a.minutes; b.hours=a.hours;
if(b.seconds>59){b.seconds=0;b.minutes++;}
if(b.minutes>59){b.minutes=0;b.hours++;}
if(b.hours>23)　b.hours=0;
printf("The next seconds is:\n%d:%d:%d",b.hours,b.minutes,b.seconds);
}
总是编译出错，可是我就是找不出来，帮忙看下，谢谢

#include <stdio.h>
void main()
{struct time
{int hours; int minutes; int seconds;};
struct time a,b;
printf("Enter the hours(0-23);\n"); scanf("%d",&a.hours);
printf("Enter the minutes(0-59):\n"); scanf("%d",&a.minutes);
printf("Enter the seconds(0-59):\n"); scanf("%d",&a.seconds);
b.seconds=a.seconds+1; b.minutes=a.minutes; b.hours=a.hours;
if(b.seconds>59){b.seconds=0;b.minutes++;}
if(b.minutes>59){b.minutes=0;b.hours++;}
if(b.hours>23)b.hours=0;
printf("The next seconds is:\n%d:%d:%d",b.hours,b.minutes,b.seconds);
}

if(b.hours>23)　b.hours=0;
问下为什么这if后面不能有空格？

   没错..

可以有空格

空格是可以有的，不过只能是英文输入时的空格，不能是中文输入法时候的空格，中文输入法的空格在tc下会显示成乱码

看到头疼...

程序要写给别人看的...