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ժҪ�� Part 1 �� a56爆大奖在线娱乐 $O(1)$ �� gcd �ķ�� ֤�� $n=abc$��У��a56爆大奖在线娱乐�һ�� $\leq \sqrt{n}$ �� ֤�� ȣ�$n=1$ ��Ȼ�� a56爆大奖在线娱乐�ǿ�� $n$ ��С�� $p$�� $\frac{n}{p}=abc$�� $a\leq �Ķ�ȫ��

posted @ 2023-03-11 22:30 LD_ZJR_FG �Ķ�(101) ��(2) �Ƽ�(2) �༭

2022��11��23��

Day9

ժҪ�� ARC138D �� $\tbinom{n}{m}$ ��壬��˵ѡ�� $n$ ��ѡ $m$ ��Ⱦ�ڣ�Ҳ�ȼ�� $m$ ��в�� $n-m$ ��ע��ﲻ�ǲ�巨��巨�ǽ�� $\sum a_i=m$ һ��⣬��ʵû��κι�ϵ��a56爆大奖在线娱乐�Ǹ�ԭʽ��һ�� Ķ�ȫ��

posted @ 2022-11-23 09:54 LD_ZJR_FG �Ķ�(22) ��(0) �Ƽ�(0) �༭

2022��11��22��

Day8

ժҪ�� ⣺ T1 sb�⣬��ȷ�ģ��и�� std ��ֱ��ˡ� T2 ��⣺ ��⣺ ARC151D ARC150D ��ԣ�a56爆大奖在线娱乐��Ҫ��ѡ�д��͡� ��һ��Դ𰸹��׶��٣��һ��Ŀǰ��Ѿ�ѡ�� $i$ ��㣬��ôѡһ��Ч�� Ķ�ȫ��

posted @ 2022-11-22 20:47 LD_ZJR_FG �Ķ�(19) ��(0) �Ƽ�(0) �༭

2022��11��21��

Day7

ժҪ�� T1 ��Ϊ $1$�� $-1$��һ��ǰ׺�ͣ��ǽ��λ�ã��λ�� $i$�� $s_i=s_{i+1}$�� $i$ �� $i+1$ û��κa56爆大奖在线娱乐��塣 ��һ�� $i$ ��λ�õ�ֵ $+2$ �� $-2$�� Ȼ��a56爆大奖在线娱乐�ǵ�Ŀ��λ�� $\geq �Ķ�ȫ��

posted @ 2022-11-21 16:34 LD_ZJR_FG �Ķ�(14) ��(0) �Ƽ�(0) �༭

2022��11��20��

Day6

ժҪ�� Ŀ�� T1 ��һ�룬��;�Ѵ��붪�˿��ˡ� �� $f(i,j,S)$ ��Ӻ��ǰ�� $i$ ��λ�ã��ʱ�� $-$ �� $=j$��״̬Ϊ $S$ �ķ��ת��Ǽ򵥵ġ� ��ֻҪ��ֵ��ȥ̰�ļ��ɡ� �� $O(n^2)$ �ģ��Ż��ע�⵽�� Ķ�ȫ��

posted @ 2022-11-20 15:52 LD_ZJR_FG �Ķ�(13) ��(0) �Ƽ�(0) �༭

2022��11��19��

Day5

ժҪ�� T1 ��1��ö��ѡ��Щ�м��м�� dp��ʱ�临�Ӷ� $O(2^{n-1}n^3))$�� 2��ö��ѡ��Щ��м��ʹ��ת�Ʊ�� $O(1)$��ʱ�临�Ӷ� $O(2^{n+m-2})$�� 3��Զ��֡� T2 ��ȣ�a56爆大奖在线娱乐��Ĵ��ǹ̶��ġ� �� $f(i,j)$ �Ķ�ȫ��

posted @ 2022-11-19 16:03 LD_ZJR_FG �Ķ�(15) ��(0) �Ƽ�(0) �༭

2022��11��18��

Day4

ժҪ�� CF865C �� $f(i,j)$ ��a56爆大奖在线娱乐�Ǵ� $i$ ��ʼ��õ��ʱ��Ϊ $j$ �� ݶ��壬��Ȼ�� $f(i,j)=\min(f(0,0),p_{i+1}(f(i+1,j+a_{i+1})+a_{i+1})+(1-p_{i+1})(f(i+1,j+b_{i+1})+b_i))$�� Ķ�ȫ��

posted @ 2022-11-18 15:59 LD_ZJR_FG �Ķ�(18) ��(0) �Ƽ�(0) �༭

2022��1��21��

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ժҪ�� Ҫ�㷨�� FF ��㷨��·�� EK �Ƚ�ǿ��㷨��ÿ��·�Դﵽ��ʽ��Ӷ� $O(nm^2)$�� Dinic ��ǿ��㷨��ʹ��BFS�ֲ㣬��·��Ż��Դﵽ��Ÿ��Ӷ� $O(n^2m)$��ڶ��ͼ�� $\sqrt{n}$ �Σ��ʸ��Ӷ�Ϊ $O(\sq �Ķ�ȫ��

posted @ 2022-01-21 14:31 LD_ZJR_FG �Ķ�(43) ��(0) �Ƽ�(0) �༭

2022��1��2��

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ժҪ�� ̫��ˣ�/ll AGC027E ABBreviate ��⡣ ��Ŀ��ʣ�� a56爆大奖在线娱乐�ǽ� $a$ �� $1$�� $b$ �� $2$�� $sum_{l,r}$ �� $[l,r]$ ��͡� �� $sum[l,r]=1$�� \([l,r]\ �Ķ�ȫ��

posted @ 2022-01-02 12:55 LD_ZJR_FG �Ķ�(31) ��(0) �Ƽ�(0) �༭

2022��1��1��

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ժҪ�� ݣ��Ա��ˣ� ��Ҫ�ȼ� $1\sim 5$��Խ��Խ��Ҫ�� ƫ�� PBDS��ɶ�� û� �߶��ϲ�/�� zkw ��״��֣��̫�ѣ� dsu on tree splay treap ��ѧ��ᣡ��ѣ� �ѿ��ѣ� LCT ��裡 �� Ī�� 鳤 \ �Ķ�ȫ��

posted @ 2022-01-01 10:19 LD_ZJR_FG �Ķ�(46) ��(0) �Ƽ�(1) �༭

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