时间格式转换
#include <stdio.h>
int main()
{
int a, b, x, y;
scanf("%d:%d", &a, &b);
if(a == 0)
{
x = 12;
y = b;
printf("%02d:%02d AM\n", x, y);
}
else if((a > 0)&&(a < 12))
{
x = a;
y = b;
printf("%d:%02d AM\n", x, y);
}
else if(a == 12)
{
x = a;
y = b;
printf("%d:%02d PM\n", x, y);
}
else if((a > 12)&&(a < 24))
{
x = a - 12;
y = b;
printf("%d:%02d PM\n", x, y);
}
return 0;
}