Bangladesh OI 2016 National Round pF. Batman and Robin ( Ad hoc )

BOI Codeforces Ad hoc

http://codeforces.com/gym/101212/attachments/download/5014/bangladesh-informatics-olympiad-2016-en.pdf Dashboard - Bangladesh Informatics Olympiad 2016 - Codeforces題意：給你 L, A，代表字串的大小，以及可能字符集合大小。接著給字串，以數字…

2017-01-12

Bangladesh OI 2016 National Round pE. Village Fair ( Smaller to Larger )

Codeforces BOI Smaller to larger

http://codeforces.com/gym/101212/attachments/download/5014/bangladesh-informatics-olympiad-2016-en.pdf Dashboard - Bangladesh Informatics Olympiad 2016 - Codeforces題意：有 N 個房子，一開始裡面都有一個小屁孩，用屁孩值描述。每個房子的出度…

2017-01-12

Bangladesh OI 2016 National Round pD. One Punch Man ( DP )

BOI Codeforces DP

http://codeforces.com/gym/101212/attachments/download/5014/bangladesh-informatics-olympiad-2016-en.pdf Dashboard - Bangladesh Informatics Olympiad 2016 - Codeforces題意：有 N 個怪獸，用 ( X[ i ], V[ i ] )，一維座標及強度描述。有一種操作，…

2017-01-12

Bangladesh OI 2016 National Round pC. Counting Permutations ( DP )

BOI DP Codeforces

http://codeforces.com/gym/101212/attachments/download/5014/bangladesh-informatics-olympiad-2016-en.pdf Dashboard - Bangladesh Informatics Olympiad 2016 - Codeforces題意：求有多少 [ 1, N ] 的排列，有至少 K 個逆序數對。資料規模： For easy v…

2017-01-12

Bangladesh OI 2016 National Round pB. Beautiful Factorial Game ( Math )

BOI Math Codeforces

http://codeforces.com/gym/101212/attachments/download/5014/bangladesh-informatics-olympiad-2016-en.pdf Dashboard - Bangladesh Informatics Olympiad 2016 - Codeforces題意：給 N, K，求 N! 整除 K ^ x 的最大 x 是多少。資料規模： For easy versi…

2017-01-12

Bangladesh OI 2016 National Round pA. Guess the Queue ( BIT + Deque )

BOI Fenwick Tree Deque Codeforces

http://codeforces.com/gym/101212/attachments/download/5014/bangladesh-informatics-olympiad-2016-en.pdf Dashboard - Bangladesh Informatics Olympiad 2016 - Codeforces題意：實現一個雙向佇列，可以回答以下三種詢問： 1. ‘1 x y’ ID 為 y 的人從前…