????·??????????????

????????·????????в?????????????????????????????????·?????????á?
????????·???????????????????????????
????1.?????????????????????????????
????2.?????????????·?????
????3.???????·??
????4.???????·????????????
??????????????????
1 Int IsLeap(int year)
2 {
3 if (year % 4 == 0)
4 {
5 ??if (year % 100 == 0)
6 ??{
7 ????if ( year % 400 == 0)
8 ??????leap = 1;
9 ????else
10 ??????leap = 0;
11 ????}
12 ??else
13 ???? leap = 1;
14 ??}
15 else
16 ??leap = 0;
17 return leap;
18 }
??????????μ???????????C???????
????1.???????????

???????????????????
????2.???????V(G)
????V(G)=E-V+2
????=10-8+2
????=4
????????????ж?????????????·??
????3.???????·??
????1)(1??2??8)
????2)(1??3??4??6??8)
????3)(1??3??4??7??8)
????4)(1??3??5??8)
????4.??????????
????1???????4??????1999
????2?????4?????????100?????????400??????2000
????3?????4?????????100???????????400??????1900
????4?????4???????????100??????2004
????????