Combinatorics

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Solve 5 problems on Combinatorics topic.

# User Unlock date Country XP
3945 budanov March 31, 2023, 1:52 p.m.   44
3944 SirLibzy March 31, 2023, 1:28 a.m.   23
3943 faith07 March 31, 2023, 1:22 a.m.   19
3942 记录到每个节点时LIS的长度 ..aWD 记录到每个节点时LIS的内容 March 31, 2023, 12:08 a.m. 39
3941 Thelma March 30, 2023, 7:27 p.m.   20
3940 jesus.reyes March 30, 2023, 7:04 p.m. 19
3939 csanyidavid March 30, 2023, 3 p.m.   28
3938 shammah@21 March 30, 2023, 3:20 a.m.   26
3937 drkousi31 March 28, 2023, 11:05 p.m.   30
3936 Agnieszka_Dziudzi March 27, 2023, 10:42 a.m.   25
3935 IlariaCoratella March 26, 2023, 4:56 p.m.   22
3934 r2croy March 25, 2023, 9:56 p.m.   20
3933 KimJulieIKBFU March 21, 2023, 8:57 p.m.   30
3932 cbriggs88 March 21, 2023, 7:06 a.m.   29
3931 AnMorrigan March 18, 2023, 5:31 p.m.   29
3930 Ozgur Can Arican March 17, 2023, 3:32 p.m. 30
3929 wanshuang March 16, 2023, 9:14 a.m.   29
3928 wpchen March 15, 2023, 10:35 p.m.   32
3927 ninjaneer March 15, 2023, 6:43 p.m.   35
3926 bifa March 14, 2023, 4:23 p.m.   37
3925 wzy978 March 14, 2023, 5:32 a.m.   41
3924 Луцкий Даниил March 12, 2023, 5:39 p.m. 24
3923 Gor Tadevosyan March 12, 2023, 9:46 a.m. 16
3922 Ahmet Yiğit Doğan March 10, 2023, 11:59 a.m. 23
3921 Joanna_Jaworska March 9, 2023, 2:49 p.m.   16
3920 Hyunjong Woo March 8, 2023, 8:54 a.m. 26
3919 apribot March 8, 2023, 1:43 a.m.   24
3918 Barış Altunkara March 7, 2023, 10:37 p.m. 40
3917 lyjung711 March 6, 2023, 2:58 p.m. 22
3916 ccosta13 March 6, 2023, 1:09 a.m. 50
3915 Constantin March 5, 2023, 12:24 a.m. 27
3914 Darth_Masko March 4, 2023, 4:06 p.m.   28
3913 overthelittlehills March 3, 2023, 7:06 p.m.   34
3912 nomeii152 March 2, 2023, 8:44 a.m. 22
3911 Anushka Chauhan Feb. 28, 2023, 5:09 p.m. 28
3910 LPChaumont Feb. 28, 2023, 3:28 p.m.   27
3909 chaddaniel18 Feb. 27, 2023, 8:47 p.m.   29
3908 ania_osz Feb. 24, 2023, 5:11 a.m.   24
3907 sak Feb. 23, 2023, 3:34 p.m. 32
3906 rosenam Feb. 21, 2023, 10:28 p.m.   34
3905 zakimostafa914 Feb. 20, 2023, 4:55 p.m.   26
3904 Oleg Suchalko Feb. 20, 2023, 7:36 a.m. 22
3903 santiago54 Feb. 18, 2023, 3:25 p.m.   24
3902 mpizzzle Feb. 18, 2023, 10:45 a.m.   26
3901 Viola Feb. 17, 2023, 2:06 p.m. 30
3900 hhhpeng Feb. 14, 2023, 4:22 a.m.   20
3899 todpetros Feb. 12, 2023, 7:19 p.m.   27
3898 Mertionar Feb. 12, 2023, 5:45 p.m.   23
3897 jp_bio27 Feb. 11, 2023, 1:31 p.m.   30
3896 XiaoLiao Feb. 10, 2023, 12:53 p.m.   32
3895 tomnari17 Feb. 9, 2023, 7:25 a.m.   22
3894 tomoya_ikawa Feb. 9, 2023, 1:32 a.m.   23
3893 Qile Yang Feb. 7, 2023, 8:41 p.m. 30
3892 Moorts Feb. 4, 2023, 10:40 p.m.   24
3891 maxcoenen Feb. 4, 2023, 2:40 p.m.   30
3890 katrin Feb. 2, 2023, 8:37 p.m. 19
3889 vmort23 Jan. 28, 2023, 1:51 a.m.   30
3888 Jan Honnens Jan. 27, 2023, 1:55 p.m. 86
3887 xcoodev Jan. 25, 2023, 7:28 a.m.   20
3886 mmr Jan. 23, 2023, 3:19 p.m. 26
3885 leandro.buffo Jan. 23, 2023, 1:33 a.m.   17
3884 tierneykuhn Jan. 21, 2023, 12:14 a.m.   33
3883 YushengLi Jan. 20, 2023, 7:05 a.m.   20
3882 thot Jan. 20, 2023, 12:59 a.m.   18
3881 ad4437 Jan. 18, 2023, 7:28 a.m.   16
3880 shinmk110 Jan. 18, 2023, 5:37 a.m. 32
3879 SoroushMehr Jan. 16, 2023, 10:40 p.m.   24
3878 setarehdehghani Jan. 16, 2023, 1 p.m.   21
3877 bmasudy Jan. 16, 2023, 4:20 a.m.   32
3876 robinjoe Jan. 15, 2023, 9:03 p.m.   31
3875 maticasi Jan. 14, 2023, 9:37 p.m.   29
3874 Adriana_A0 Jan. 14, 2023, 12:19 p.m. 27
3873 elisa2602 Jan. 13, 2023, 9:04 p.m.   31
3872 haynflorian Jan. 13, 2023, 1:25 p.m.   30
3871 Jesper Jan. 13, 2023, 1:22 p.m. 27
3870 Nesa Jan. 12, 2023, 8:15 p.m.   31
3869 sera.weevers Jan. 12, 2023, 10:38 a.m.   28
3868 ilariadangelo Jan. 11, 2023, 9:46 p.m.   30
3867 ameliakelly Jan. 11, 2023, 3:22 p.m.   21
3866 Nathalie_Brolo Jan. 11, 2023, 3:07 p.m.   29
3865 ducminhnguyenle Jan. 10, 2023, 1:23 p.m.   31
3864 Mertimilo Jan. 10, 2023, 10:21 a.m.   19
3863 deMartino.1908303 Jan. 8, 2023, 11:03 a.m.   31
3862 BigPharmaValentin Jan. 6, 2023, 11:24 p.m.   33
3861 margerethamilton Jan. 6, 2023, 2:29 p.m.   36
3860 joshux Jan. 6, 2023, 3:21 a.m. 32
3859 Nocide Jan. 5, 2023, 12:14 p.m.   31
3858 lara_pagano Jan. 4, 2023, 4:47 p.m.   31
3857 Anya_rss Jan. 4, 2023, 11:53 a.m.   31
3856 Propofol. Jan. 4, 2023, 9:25 a.m.   32
3855 amelchoudary Dec. 31, 2022, 11:18 a.m.   29
3854 MusfirahFayyaz Dec. 31, 2022, 7:28 a.m.   33
3853 Pavel Feskin Dec. 30, 2022, 4:02 p.m. 30
3852 arzik87 Dec. 29, 2022, 10:33 a.m. 20
3851 RebEll22 Dec. 28, 2022, 10:02 p.m.   21
3850 Aisaki3 Dec. 28, 2022, 6:28 p.m.   29
3849 Nazaninsekhavat Dec. 28, 2022, 5:42 p.m.   28
3848 HANIYEHDARA Dec. 28, 2022, 5:21 p.m.   28
3847 najva@ Dec. 28, 2022, 5:09 p.m.   28
3846 Andy_Lendy Dec. 26, 2022, 2:10 p.m.   29
3845 Enrico_Zappulla Dec. 26, 2022, 9:28 a.m. 30
3844 Kisang Kwon Dec. 26, 2022, 5:23 a.m. 48
3843 darrenweng Dec. 25, 2022, 9:51 p.m.   40
3842 gabeweng Dec. 25, 2022, 9:24 p.m.   43
3841 norville05 Dec. 25, 2022, 8:24 p.m.   29
3840 Lengue Dec. 24, 2022, 6:12 p.m.   36
3839 taprs1 Dec. 24, 2022, 12:13 p.m. 23
3838 NorvanaMo Dec. 24, 2022, 2:51 a.m.   31
3837 annasalsano Dec. 22, 2022, 6:11 p.m.   31
3836 barone.2002911 Dec. 22, 2022, 1:54 p.m.   31
3835 Seok-Hwan Yoon Dec. 22, 2022, 9:03 a.m. 38
3834 SohaibAhmedAbbasi Dec. 22, 2022, 8:13 a.m. 32
3833 BioSung Dec. 22, 2022, 6:07 a.m. 37
3832 MariaLuceRizzolo Dec. 21, 2022, 2:29 p.m.   32
3831 SindiCullhaj Dec. 21, 2022, 1:07 p.m.   30
3830 Dango Dec. 21, 2022, 12:43 a.m.   28
3829 Lumacatto Dec. 21, 2022, 12:40 a.m.   29
3828 Miguel Sánchez Dec. 20, 2022, 7:31 p.m. 36
3827 mazzocchi.1982122 Dec. 20, 2022, 4:13 p.m.   31
3826 dr_bonkhard Dec. 20, 2022, 3:48 a.m.   20
3825 ehdwn5170 Dec. 19, 2022, 6:56 a.m.   32
3824 luckcow Dec. 18, 2022, 2:37 p.m.   22
3823 yg390 Dec. 17, 2022, 3:51 p.m.   15
3822 seaweed Dec. 16, 2022, 7:27 a.m.   23
3821 giumi Dec. 15, 2022, 1:02 p.m.   31
3820 Bruno Batista Dec. 12, 2022, 11:59 p.m. 25
3819 AlexCzr Dec. 12, 2022, 10:36 a.m. 28
3818 federica01schiavetti Dec. 11, 2022, 4:17 p.m.   31
3817 hmqure Dec. 10, 2022, 11:35 a.m.   33
3816 JamesBui Dec. 10, 2022, 10:58 a.m.   30
3815 canaan_junction Dec. 9, 2022, 6:44 p.m.   27
3814 wcb96858 Dec. 5, 2022, 8:42 p.m.   26
3813 sanetti.2023336 Dec. 5, 2022, 5:14 p.m.   31
3812 robinbenny Dec. 5, 2022, 3:20 p.m.   30
3811 Khanam2 Dec. 3, 2022, 5:14 p.m. 29
3810 tobia734 Dec. 2, 2022, 9:23 p.m.   31
3809 mikecat Nov. 30, 2022, 6:22 p.m.   33
3808 alanoc Nov. 30, 2022, 12:24 p.m.   44
3807 dashazhilina Nov. 30, 2022, 6:51 a.m.   15
3806 pavel_turaev Nov. 30, 2022, 6:35 a.m.   14
3805 Marina-Efimova Nov. 28, 2022, 6:53 p.m.   24
3804 T.K.Hori Nov. 28, 2022, 1:40 a.m.   22
3803 Hyunseong Kim Nov. 25, 2022, 2:03 p.m. 19
3802 prahman33 Nov. 24, 2022, 9:50 p.m.   31
3801 alee89 Nov. 23, 2022, 9:18 p.m.   19
3800 CsatariJakab Nov. 23, 2022, 2:24 p.m.   33
3799 alexstephens Nov. 21, 2022, 10:56 p.m.   33
3798 megjohnson Nov. 21, 2022, 6:36 p.m.   34
3797 MysteriousBoi Nov. 21, 2022, 12:44 p.m.   30
3796 jonwells Nov. 21, 2022, 12:26 a.m.   34

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Combinatorics

The mathematics of counting objects.

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