發表文章

目前顯示的是 8月, 2018的文章

[Codeforces] 1005F

LINK: http://codeforces.com/contest/1005/problem/F 我覺得我的潛意識就覺得自己很弱了,不過在實際試試看之前怎麼知道到底弱不弱呢? http://codeforces.com/contest/1005/submission/41564409

[Codeforces] 999E

LINK: http://codeforces.com/problemset/problem/999/E 我竟然寫不出這個咚咚@@ http://codeforces.com/contest/999/submission/41519719 要注意圖的走訪順序,然後deg+就好了啊@@

[Codeforces] 997C

LINK: http://codeforces.com/contest/997/problem/C QAQ http://codeforces.com/contest/998/submission/41515819 可悲,數學好難,一整個上午都在弄排容;麻將也一直輸;喝紅茶然後就肚子痛,好羨慕K-ON的放學時光、還有真紅,可以暢快地喝紅茶;CF rating掉到1700以下

[Codeforces] 1019B

LINK: http://codeforces.com/problemset/problem/1019/B 看了Andrew Yang的解才會的 http://codeforces.com/contest/1020/submission/41502428 AY還提供了數學解釋 f( i ) = a[ i ] - a[ ( i+n/2 )%n ],然後它是連續函數,又因為勘根定理所以可以二分搜

[Codeforces] 14C

LINK: http://codeforces.com/problemset/problem/14/C I am poor at logic thinking. http://codeforces.com/contest/14/submission/41306601

[Codeforces] 10D

LINK: http://codeforces.com/problemset/problem/10/D 見證我不會DP的一刻 http://codeforces.com/contest/10/submission/41278393

[Codeforces] 7D

LINK: http://codeforces.com/contest/7/problem/D 抓到,世界上就是有這種靠優化輾過去的垃圾,可悲沒大腦。 http://codeforces.com/contest/7/submission/41246298

[Codeforces] 7C

LINK: http://codeforces.com/contest/7/problem/C 作為我不會數論的證明。 http://codeforces.com/contest/7/submission/41241437

[Codeforces] 4D

LINK: http://codeforces.com/problemset/problem/4/D 永遠的痛的奇怪版本,可悲大腦。 http://codeforces.com/contest/4/submission/41160120

[Codeforces] 5D

LINK: http://codeforces.com/problemset/problem/5/D 詭異的東東,不過既然看過解答就得承認。 http://codeforces.com/contest/5/submission/41153073

[Codeforces] 2C

LINK: http://codeforces.com/problemset/problem/2/C 也是很久以前就看過的題目了,不過還是不會。 http://codeforces.com/contest/2/submission/41213245

[Codeforces] 5C

LINK: http://codeforces.com/contest/5/problem/C 這題好難QQ,延冗許久卻是以看解收場SAD http://codeforces.com/contest/5/submission/41145594

[Codeforces] 3D

LINK: http://codeforces.com/problemset/problem/3/D 我的腦袋越來越不中用了,連這個都沒想到QQ http://codeforces.com/contest/3/submission/41223868