usaco 里的Friday the Thirteenth请牛人帮忙

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usaco 里的Friday the Thirteenth请牛人帮忙
/*
ID:handsom1
PROG:friday
LANG:C++
*/
#include
#include
using namespace std;
int judge(int y)
{
if ((y % 100 && y % 4 == 0 ) || y % 400 == 0 )
return 29;
else return 28;
}
int main()
{
int month[13],day[7],year=1900,n,all=13;
month[1]=month[3]=month[5]=month[7]=month[8]=month[10]=month[12]=31;
month[4]=month[6]=month[9]=month[11]=30;
for (int i=0;i>n;
for (int j=0;j

judge有问题……
if (y%4==0&&y%100==0)
难道有 y%100==0但y%4!=0的吗?
int judge(int y)
{
if ((y%4==0&&y%100!=0)||(y%400==0))return 29;
return 28;
}
//粗心又犯了,已修改.

usaco 里的Friday the Thirteenth请牛人帮忙 usaco friday the thirteenth 1.1.3 Friday the Thirteenth 翻译 usaco 1.1.3.Friday(黑色星期五) 英语语法问题Friday the thirteenth is bad luck.请问这句话中星期五怎么和序数词连用?这是 It was not until the thirteenth stroke____ the bell stopped. 帮忙翻译一句话,谢谢这段文章的最后一段是什么意思呢?At the White House this Friday bef it was not until the thirteenth stroke___the bell stopped.1 It was not until the thirteenth stroke_____the bell stopped. in the evening of Friday 和 on the evening of Friday的区别 on friday afternoon的friday前为什么不加the?告诉我语法就行 the day before friday