在某年的某一个时刻加1秒

#include <stdio.h>
struct TIME
{
	int year;
	int month;
	int day;
	int shi; 
	int fen;
	int miao; 
};
 
int main()
{
	struct TIME time; 
	scanf("%d%d%d%d%d%d",&time.year,&time.month,&time.day,&time.shi,&time.fen,&time.miao);
	if(++time.miao>=60) 
	{      
		time.miao=time.miao%60; 
		time.fen++;
	}  
	if(time.fen>=60)  
	{
		time.fen=time.fen%60;     
		time.shi++;  
	}
	if(time.shi>=24) //小时
	{
		time.shi=time.shi%24;  
		time.day++;
	}
	//在月份上要判断大小月，2月是28天或29天
	if(time.month==1||time.month==3||time.month==5||time.month==7||time.month==8||time.month==10||time.month==12)
	{
		if(time.day>=31)
		{
			time.day=time.day%31;
			time.month++;
		}
	}
	else if(time.month==2)
	{
		if((time.year%4==0&&time.year%100!=0)||(time.year%400==0))
		{
			if(time.day>=30)
			{
				time.day=time.day%29;
				time.month++;
			}
		}
		else
		{
			if(time.day>=29)
			{
				time.day=time.day%28;
				time.month++;
			}
		}
	}
	else if(time.month==2||time.month==4||time.month==6||time.month==9||time.month==11)
	{
		if(time.day>=30)
		{
			time.day=time.day%30;
			time.month++;
		}
	}
	
	if(time.month>=12)
	{
		time.month=time.month%12;
		time.year++;
	}
	printf("%02d:%02d:%02d:%02d:%02d:%02d",time.year,time.month,time.day,time.shi,time.fen,time.miao); 
	return 0;
}