#include <iostream.h>
#include<iomanip.h>


int main()
{
	char week[7][10]={"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"};
	long fh[26],hh[6],y[6]={0,366,731,1096,1461,1468},days;
	int dleap[15]={0,31,60,91,121,152,183,213,244,274,305,335,366,377};
	int dfl[15]={0,31,59,90,120,151,182,212,243,275,304,334,365,377};
	int i,j,k,p,year,s,weekth,leap=0,q,date;

	for(i=0;i<26;i++)//确定第i个400年内的总天数
		fh[i]=i*146100;
	for(i=0;i<5;i++)
		hh[i]=i*36525;//确定第i个世纪内的总天数


	cin>>days;
	while(days!=-1)
	{
		days++;
		for(i=0;i<26;i++)//确定days在第几个400年内,若days<fh[i+1],则days在第i个400年内
			if(days<=fh[i+1])
				break;
	
		days=days-fh[i];
		for(j=0;j<5;j++)//确定days在第几个世纪内,若days<hh[j+1],则days在第j个世纪内
			if(days<=hh[j+1])
				break;
		
		days=days-hh[j];
		for(k=0;k<27;k++)//确定days在第几个4年内,若days<1461*(k+1),则says在第k个四年内
			if(days<=1461*(k+1))
				break;

		days=days-1461*k;
		for(p=0;p<6;p++)//确定days在第几年内,若days<y[p+1],则days在dip个年内
			if(days<=y[p+1])
				break;

		days=days-y[p];//days在本年的第几天.
		year=2000+i*400+j*100+k*4+p;//year就是本年份的年值
		if(year%4==0&&year%100!=0||year%4==0&&year%100==0)
			leap=1;
		if(leap)//确定是第几个月
			for(q=0;q<15;q++)
			{
				if(days<=dleap[q+1])
				{
					date=days-dleap[q];
					break;
				}
			}

		else
			for(q=0;q<15;q++)
			{
				if(days<=dfl[q+1])
				{
					date=days-dfl[q];
					break;
				}
			}

		q++;//月份
		s=year-1+(year-1)/4-(year-1)/100+(year-1)/400+days;
		weekth=s%7;//weekth就是星期数
		
		//printf("%d-%d-%d %s\n",year,q,date,week[weekth]);
		cout<<year<<'-'<<setfill('0')<<setw(2)<<q<<'-'<<setfill('0')<<setw(2)<<date<<' '<<week[weekth]<<endl;
		cin>>days;
	}

	return 1;
}

• Re:依据以前高手的帖子,测试了没错,但为什么还是WA? (1863) Samule 2006-12-28 11:15:27