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#24
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tipstar0125
opened
7 months ago
tipstar0125
commented
7 months ago
問題に詰まったときに眺める用
tipstar0125
commented
7 months ago
C典型
https://github.com/tipstar0125/atcoder/issues/12
https://github.com/tipstar0125/atcoder/issues/31
https://github.com/tipstar0125/atcoder/issues/37
tipstar0125
commented
7 months ago
D典型
https://github.com/tipstar0125/atcoder/issues/15
(dp, 順序を保った組合せ数え上げ)
https://github.com/tipstar0125/atcoder/issues/10
https://github.com/tipstar0125/atcoder/issues/6
https://github.com/tipstar0125/atcoder/issues/7
(dp)
https://github.com/tipstar0125/atcoder/issues/28
偶奇を考える
後ろから考える
x, y独立で考える
https://github.com/tipstar0125/atcoder/issues/32
数える場合は、余事象でも考えてみる
https://github.com/tipstar0125/atcoder/issues/36
https://github.com/tipstar0125/atcoder/issues/38
https://github.com/tipstar0125/atcoder/issues/50
https://github.com/tipstar0125/atcoder/issues/45
tipstar0125
commented
7 months ago
E典型
https://github.com/tipstar0125/atcoder/issues/25
https://github.com/tipstar0125/atcoder/issues/19
https://github.com/tipstar0125/atcoder/issues/51
https://github.com/tipstar0125/atcoder/issues/14
https://github.com/tipstar0125/atcoder/issues/17
https://github.com/tipstar0125/atcoder/issues/16
https://github.com/tipstar0125/atcoder/issues/13
https://github.com/tipstar0125/atcoder/issues/21
https://github.com/tipstar0125/atcoder/issues/9
https://github.com/tipstar0125/atcoder/issues/29
https://github.com/tipstar0125/atcoder/issues/30
https://github.com/tipstar0125/atcoder/issues/35
https://github.com/tipstar0125/atcoder/issues/39
https://github.com/tipstar0125/atcoder/issues/40
https://github.com/tipstar0125/atcoder/issues/55
優先キューの遅延削除
始点からの最短距離と終点からの最短距離
tipstar0125
commented
7 months ago
F典型
https://github.com/tipstar0125/atcoder/issues/22
https://github.com/tipstar0125/atcoder/issues/42
https://github.com/tipstar0125/atcoder/issues/46
https://github.com/tipstar0125/atcoder/issues/18
https://github.com/tipstar0125/atcoder/issues/27
https://github.com/tipstar0125/atcoder/issues/34
https://github.com/tipstar0125/atcoder/issues/44
https://github.com/tipstar0125/atcoder/issues/47
https://github.com/tipstar0125/atcoder/issues/48
https://github.com/tipstar0125/atcoder/issues/53
https://github.com/tipstar0125/atcoder/issues/54
tipstar0125
commented
7 months ago
忘れやすいことリスト
約数の個数:(素因数の数+1)をかける(素因数を何ケ使用するかの組合せの数)
公約数は最大公約数の約数
2つの数の公約数(共通因数)をKとすると、2つの数の差(絶対値)はKの倍数
平方数判定:約数の数が奇数
任意の偶数 n について n ⊕ (n + 1) = 1
∑nCr=2^n (nC0を除く場合、2^n-1)
tipstar0125
commented
7 months ago
これなんだっけ?リスト
辞書順最小は前から貪欲
鳩ノ巣
tipstar0125
commented
5 months ago
その他
https://github.com/tipstar0125/atcoder/issues/41
https://github.com/tipstar0125/atcoder/issues/8
https://github.com/tipstar0125/atcoder/issues/43
問題に詰まったときに眺める用