Home arrow Browse Problems

Our Patreons

Diamond Sponsors

Steven & Felix Halim

Reinardus Pradhitya 

Gold Sponsors

--- YOUR NAME HERE ---- 

Silver Sponsors

--- YOUR NAME HERE ----  

Bronze Sponsors

Christianto Handojo

Krzysztof Adamek

Fatima Broom

Amal AugustineTechBuy

Contribute

Become a patron

PayPal  

1ojudgeapLUjJcnUmze67a4w3TJ6WnPxo

Bitcoin: 

1ojudgeapLUjJcnUm

ze67a4w3TJ6WnPxo 

User Statistics
avatar Yiu Cho Leung (Cho @ HKUST)

1330

391

370

2004-09-22

2014-10-18
SUBMISSIONS PROBLEMS TRIED PROBLEMS SOLVED FIRST SUBMISSION LAST SUBMISSION
Solved problems
ProblemRankingSubmissionDateRun time
131 525 3975277 2005-09-27 17:14:19 0.002
137 93 4029039 2005-10-13 03:01:10 0.000
297 2464 3191043 2005-01-04 09:42:47 0.002
451 119 3975196 2005-09-27 16:55:14 0.287
568 3044 2961524 2004-10-11 15:25:40 0.006
602 506 3929903 2005-09-13 07:49:24 0.152
651 166 2963052 2004-10-12 03:42:31 0.008
684 307 3736747 2005-07-11 06:54:14 0.564
756 1198 3915927 2005-09-09 09:56:07 0.045
10023 1992 3913518 2005-09-08 14:08:04 8.801
10065 1055 3707251 2005-07-01 06:23:49 0.004
10078 1238 3707274 2005-07-01 06:29:04 0.002
10092 1321 3837468 2005-08-15 07:56:09 0.391
10106 6603 3692293 2005-06-27 04:19:24 0.012
10256 478 3707436 2005-07-01 08:12:46 2.541
10286 2549 3929248 2005-09-13 03:52:01 0.086
10330 1771 3837520 2005-08-15 08:12:20 0.102
10359 305 2961531 2004-10-11 15:27:19 0.002
10405 8816 3106457 2004-11-26 18:45:48 0.037
10460 232 3106410 2004-11-26 18:26:01 0.002
10524 120 3737373 2005-07-11 09:52:57 0.002
10594 931 4553930 2006-05-06 15:23:26 1.322
10606 234 3918460 2005-09-10 05:35:11 1.943
10609 131 3093619 2004-11-22 12:40:22 0.807
10617 1060 2885223 2004-09-22 11:42:19 0.008
10624 597 3153630 2004-12-18 17:30:34 6.791
10634 250 2886103 2004-09-22 14:58:30 0.229
10635 2378 4099953 2005-11-04 10:37:02 0.195
10655 40 3151446 2004-12-17 16:57:07 0.000
10669 422 3502004 2005-04-22 18:37:35 0.010
10672 559 3165818 2004-12-23 18:35:48 0.035
10673 1235 3155979 2004-12-19 18:07:36 0.004
10677 243 3113237 2004-11-29 17:20:50 0.008
10678 1494 3119259 2004-12-01 08:44:52 0.002
10679 1436 2900771 2004-09-26 07:00:03 0.383
10680 1308 3108489 2004-11-27 12:09:34 0.689
10681 925 3108285 2004-11-27 11:16:30 3.008
10682 143 3120356 2004-12-01 16:44:34 1.670
10683 1343 3108160 2004-11-27 10:24:49 0.324
10684 9429 3109853 2004-11-28 05:21:55 0.504
10685 3339 3193793 2005-01-05 15:44:41 5.977
10687 696 3609736 2005-05-31 03:19:49 1.191
10688 681 3101936 2004-11-25 09:08:03 5.498
10689 635 3101809 2004-11-25 08:16:34 0.059
10690 579 3103730 2004-11-25 20:44:26 8.982
10692 191 3116149 2004-11-30 07:55:31 0.004
10693 174 3100036 2004-11-24 17:57:55 0.000
10694 31 3097074 2004-11-23 18:09:24 0.025
10695 18 3098761 2004-11-24 10:20:24 0.018
10696 13838 3094102 2004-11-22 16:17:32 0.520
10697 109 3094068 2004-11-22 16:00:13 0.020
10699 6815 3093222 2004-11-22 09:27:51 0.322
10700 2632 2935002 2004-10-04 16:47:03 0.120
10701 1418 3058416 2004-11-08 12:48:48 0.033
10702 1394 3061382 2004-11-09 10:43:43 2.273
10703 3385 3062114 2004-11-09 14:45:47 0.285
10704 68 3044973 2004-11-03 20:19:57 0.477
10705 228 2981188 2004-10-17 06:27:28 0.002
10706 616 2937609 2004-10-05 07:04:18 0.002
10707 192 3039942 2004-11-02 06:49:51 0.059
10708 73 3028434 2004-10-29 20:25:52 0.002
10709 92 3051219 2004-11-05 20:49:15 0.010
10710 170 3048080 2004-11-04 19:10:27 0.018
10711 43 3058292 2004-11-08 12:23:52 0.020
10712 73 3193791 2005-01-05 15:43:11 0.010
10713 68 3056266 2004-11-07 19:01:55 0.004
10714 2882 3058714 2004-11-08 13:54:20 0.443
10715 148 3062538 2004-11-09 16:57:49 0.734
10716 68 3028106 2004-10-29 18:13:39 0.000
10717 1535 3027850 2004-10-29 17:01:22 0.689
10718 1330 3024543 2004-10-28 18:17:57 0.010
10719 971 3023907 2004-10-28 15:04:09 0.348
10720 965 3014326 2004-10-25 21:48:02 0.152
10721 3 3007284 2004-10-23 19:06:14 0.000
10722 383 2934860 2004-10-04 16:07:18 3.652
10723 13 3056098 2004-11-07 17:35:20 0.000
10724 445 3033809 2004-10-31 14:52:13 2.143
10725 63 3012014 2004-10-25 11:12:16 0.110
10726 17 3023625 2004-10-28 13:02:06 0.000
10727 78 3607550 2005-05-30 10:16:29 4.240
10728 31 3011644 2004-10-25 08:22:57 0.000
10729 80 3171239 2004-12-26 15:35:19 0.076
10730 340 2932897 2004-10-04 08:07:53 0.018
10731 1011 3013794 2004-10-25 17:59:00 0.193
10732 86 2948538 2004-10-07 15:21:06 0.277
10733 263 2947143 2004-10-07 08:23:05 0.002
10734 95 3005017 2004-10-23 06:24:49 0.008
10735 492 3839081 2005-08-15 19:10:36 0.146
10736 11 3089317 2004-11-20 18:30:06 0.031
10737 19 3072157 2004-11-13 07:03:36 0.281
10738 1018 2975843 2004-10-15 16:35:27 0.523
10739 2518 2980083 2004-10-16 19:23:47 0.123
10740 235 2986145 2004-10-18 12:23:03 0.248
10741 157 3009835 2004-10-24 16:53:30 0.078
10742 857 2999762 2004-10-21 18:06:37 0.391
10743 4 3009614 2004-10-24 15:46:51 0.000
10744 74 2986959 2004-10-18 15:54:29 2.230
10745 420 3064426 2004-11-10 09:38:34 7.398
10746 289 3670146 2005-06-19 16:26:41 0.004
10747 181 4044689 2005-10-17 16:04:00 0.301
10748 87 3011964 2004-10-25 10:41:30 2.229
10754 154 3043878 2004-11-03 13:13:25 0.607
10755 2028 3043841 2004-11-03 13:05:27 1.080
10759 563 3065553 2004-11-10 16:42:42 0.002
10760 14 3068963 2004-11-11 19:28:02 0.004
10761 38 3085970 2004-11-19 09:19:03 0.000
10762 16 4474519 2006-04-04 09:28:20 0.004
10763 4930 3065748 2004-11-10 17:51:34 3.453
10764 68 3081281 2004-11-17 08:29:18 0.002
10765 1630 3088902 2004-11-20 15:00:11 0.104
10766 211 3098775 2004-11-24 10:24:04 0.312
10767 50 3067764 2004-11-11 12:28:13 0.098
10768 74 3082246 2004-11-17 16:39:49 0.002
10769 223 3063011 2004-11-09 20:43:43 2.830
10770 27 3801210 2005-08-03 18:03:24 0.346
10771 245 3082081 2004-11-17 15:33:08 0.025
10772 41 3067584 2004-11-11 11:00:47 0.152
10773 55 3116242 2004-11-30 08:27:40 0.000
10774 165 3090297 2004-11-21 05:26:39 0.002
10775 48 3169785 2004-12-25 20:25:12 0.006
10776 22 3127781 2004-12-04 17:43:16 0.000
10777 267 3089543 2004-11-20 20:39:46 0.008
10778 23 3850296 2005-08-19 08:54:48 5.207
10779 615 3120645 2004-12-01 19:24:37 0.008
10780 386 3089461 2004-11-20 19:45:33 0.004
10782 101 3132428 2004-12-09 14:30:45 0.955
10783 21 3122762 2004-12-02 15:57:47 0.000
10784 1525 3122822 2004-12-02 16:17:26 0.006
10785 337 3127678 2004-12-04 16:42:03 0.002
10786 8 3127392 2004-12-04 14:50:37 0.000
10787 19 3122562 2004-12-02 14:50:48 0.002
10788 26 3126574 2004-12-04 05:53:19 0.002
10789 2951 3139928 2004-12-12 15:46:52 0.020
10790 826 3140852 2004-12-13 03:32:55 0.006
10791 1210 3141034 2004-12-13 05:40:27 0.008
10792 224 3142018 2004-12-13 13:46:24 0.012
10793 667 3142468 2004-12-13 16:21:38 0.072
10794 54 3144157 2004-12-14 09:23:15 0.010
10795 397 3145944 2004-12-15 04:05:07 0.006
10796 17 3169284 2004-12-25 16:22:45 0.033
10797 40 3181804 2004-12-30 20:48:49 0.494
10798 22 3377069 2005-03-11 11:37:27 0.174
10799 28 3146114 2004-12-15 06:32:28 0.006
10800 999 3412240 2005-03-21 15:12:49 0.006
10801 1521 3411542 2005-03-21 12:01:32 0.004
10802 97 3225971 2005-01-19 05:44:00 0.037
10803 1466 3224909 2005-01-18 16:54:34 0.973
10804 470 3214308 2005-01-14 11:00:11 5.666
10805 409 3586775 2005-05-23 06:16:38 1.094
10806 1569 3211688 2005-01-13 10:00:11 0.295
10807 54 3584226 2005-05-22 01:23:13 0.088
10808 86 4476519 2006-04-05 05:12:35 0.783
10809 46 3583356 2005-05-21 15:29:21 0.002
10810 4488 3572002 2005-05-17 11:29:01 1.291
10811 25 3578089 2005-05-19 15:55:39 0.127
10812 10355 3571620 2005-05-17 09:30:37 0.002
10813 851 3571598 2005-05-17 09:22:37 0.002
10814 154 3383772 2005-03-13 11:18:25 0.002
10815 8694 3381552 2005-03-12 17:06:02 0.055
10816 673 3379856 2005-03-12 06:57:35 0.238
10817 1097 3378449 2005-03-11 18:09:48 0.824
10818 49 3632911 2005-06-07 14:29:02 0.113
10819 2913 4702375 2006-07-05 10:51:59 0.990
10820 1027 3372766 2005-03-10 06:34:46 0.014
10821 412 3364967 2005-03-08 02:48:06 0.027
10822 41 3373205 2005-03-10 09:25:43 0.186
10823 168 3364968 2005-03-08 02:48:24 0.055
10824 23 3373799 2005-03-10 12:33:52 0.146
10825 186 3364970 2005-03-08 02:48:34 0.461
10826 106 3373060 2005-03-10 08:31:19 1.223
10827 2688 3366130 2005-03-08 12:03:29 1.254
10828 237 3719355 2005-07-05 17:41:47 0.498
10830 356 3414211 2005-03-22 04:39:12 0.121
10831 100 3417339 2005-03-23 05:38:53 0.012
10832 188 3605363 2005-05-29 10:34:22 0.002
10833 41 3683390 2005-06-23 14:17:57 0.492
10834 24 3421462 2005-03-24 09:05:13 0.027
10835 51 4438048 2006-03-22 14:23:24 0.053
10836 24 3419486 2005-03-23 17:20:20 0.059
10837 101 3587245 2005-05-23 11:05:36 0.041
10838 157 3413865 2005-03-22 02:12:47 3.012
10839 39 3414874 2005-03-22 10:20:11 0.045
10841 47 3598269 2005-05-26 18:12:51 0.029
10842 1933 3552323 2005-05-10 09:29:42 1.531
10843 6 3550540 2005-05-09 17:15:47 0.000
10844 116 3553880 2005-05-10 17:43:59 3.197
10846 13 3601059 2005-05-27 16:25:36 0.033
10847 41 3851759 2005-08-19 18:30:51 0.002
10848 13 3596161 2005-05-26 05:18:12 0.000
10849 1149 3593911 2005-05-25 13:43:17 0.035
10850 217 3593549 2005-05-25 12:20:05 0.123
10851 2 3593552 2005-05-25 12:20:45 0.000
10852 3 3593826 2005-05-25 13:26:05 0.000
10853 14 3595915 2005-05-26 03:08:29 0.006
10854 221 3593555 2005-05-25 12:21:18 0.004
10855 3276 3594493 2005-05-25 16:07:09 0.578
10856 708 3607725 2005-05-30 11:21:36 1.352
10857 42 4478864 2006-04-06 04:14:47 3.260
10858 477 3844863 2005-08-17 14:59:02 0.021
10859 793 3615078 2005-06-01 19:07:14 1.043
10860 166 3610758 2005-05-31 11:59:58 0.193
10861 15 3646883 2005-06-12 09:19:53 0.006
10862 250 3610663 2005-05-31 11:30:08 0.021
10863 43 4477558 2006-04-05 14:17:02 0.320
10864 2 3608845 2005-05-30 18:14:49 0.000
10865 854 3650309 2005-06-13 15:14:50 0.010
10866 56 3718792 2005-07-05 14:15:06 0.078
10867 64 3654395 2005-06-14 18:59:12 0.158
10868 3 3650311 2005-06-13 15:15:19 0.000
10869 87 3659049 2005-06-16 02:01:30 1.363
10870 1120 3694244 2005-06-27 14:14:38 0.430
10871 746 3694452 2005-06-27 15:01:45 0.334
10872 139 3693925 2005-06-27 12:40:14 0.012
10873 32 3711677 2005-07-02 16:20:45 0.002
10874 351 3713035 2005-07-03 07:35:27 0.080
10876 85 3713660 2005-07-03 13:26:44 0.393
10877 47 3714150 2005-07-03 17:14:59 0.012
10878 1586 3809403 2005-08-06 16:25:03 0.004
10879 2862 3809406 2005-08-06 16:25:30 0.154
10880 653 3809411 2005-08-06 16:26:08 0.078
10881 1901 3809414 2005-08-06 16:26:50 0.275
10882 251 3809415 2005-08-06 16:27:15 0.057
10883 347 3809419 2005-08-06 16:27:47 0.432
10884 65 3809426 2005-08-06 16:28:49 0.303
10885 1 3809428 2005-08-06 16:29:12 0.000
10886 99 3809477 2005-08-06 16:43:23 1.040
10887 1485 3929174 2005-09-13 03:00:35 5.600
10888 280 3822026 2005-08-10 09:28:23 0.027
10889 19 3813948 2005-08-08 04:36:47 0.004
10890 106 4067986 2005-10-25 07:08:26 0.021
10891 2698 3813947 2005-08-08 04:36:26 0.470
10892 411 3844941 2005-08-17 15:30:04 0.008
10893 4 3849832 2005-08-19 05:32:20 0.045
10894 669 3813940 2005-08-08 04:34:54 1.266
10895 1630 3874383 2005-08-27 17:48:27 0.002
10896 6 3874384 2005-08-27 17:48:49 0.000
10897 165 3874388 2005-08-27 17:49:22 0.002
10898 514 3874390 2005-08-27 17:49:51 0.361
10899 7 3874404 2005-08-27 17:54:35 0.002
10900 319 3955160 2005-09-21 06:14:35 0.004
10901 1978 3955164 2005-09-21 06:15:09 0.051
10903 1656 3955167 2005-09-21 06:15:35 1.221
10906 151 3981373 2005-09-29 14:22:13 0.012
10907 37 3985351 2005-09-30 16:08:38 0.002
10908 1709 3955177 2005-09-21 06:17:14 0.010
10909 433 3979021 2005-09-28 19:28:56 3.248
10910 625 3955179 2005-09-21 06:18:19 0.023
10911 1933 3955181 2005-09-21 06:19:01 0.186
10912 801 3955185 2005-09-21 06:19:54 0.029
10913 806 3955187 2005-09-21 06:20:42 0.119
10914 257 3955205 2005-09-21 06:29:18 5.854
10915 245 3967297 2005-09-25 04:23:49 0.070
10916 868 3967570 2005-09-25 06:48:13 0.061
10917 851 3967329 2005-09-25 04:41:25 0.139
10918 14 3967208 2005-09-25 03:50:30 0.000
10919 2499 3971997 2005-09-26 14:28:50 0.254
10923 13 4010773 2005-10-08 07:03:34 0.000
10929 7868 4526015 2006-04-26 07:48:34 0.039
10931 7301 4526039 2006-04-26 07:57:31 0.016
10934 599 4043181 2005-10-17 05:46:58 0.023
10935 5791 4039082 2005-10-16 04:50:35 0.002
10936 40 4039107 2005-10-16 04:56:54 0.014
10937 549 4041246 2005-10-16 17:27:41 0.635
10938 1026 4039129 2005-10-16 05:06:12 1.346
10939 66 4042718 2005-10-17 03:16:19 7.020
10940 2732 4039152 2005-10-16 05:14:47 0.143
10941 61 4100715 2005-11-04 16:26:33 0.236
10942 331 4039177 2005-10-16 05:27:33 0.025
10943 1770 4056964 2005-10-22 04:27:50 0.006
10944 466 4068008 2005-10-25 07:17:30 0.240
10945 3843 4056999 2005-10-22 04:40:56 0.004
10946 2197 4057005 2005-10-22 04:43:56 0.029
10947 227 4058980 2005-10-22 14:00:40 0.160
10948 2519 4057055 2005-10-22 04:56:33 0.365
10950 161 4088745 2005-10-31 12:18:24 0.025
10951 99 4088280 2005-10-31 09:05:59 0.039
10953 101 4088084 2005-10-31 08:00:29 0.040
10954 9244 4088118 2005-10-31 08:10:38 0.094
10955 10 4097201 2005-11-03 08:48:06 0.646
10956 115 4087991 2005-10-31 07:21:21 2.010
10957 255 4094728 2005-11-02 08:11:32 0.217
10958 353 4092145 2005-11-01 14:03:46 0.748
10959 2375 4127508 2005-11-14 09:52:59 0.061
10960 15 4128383 2005-11-14 16:13:54 0.014
10961 101 4127506 2005-11-14 09:52:10 0.002
10962 26 4127509 2005-11-14 09:53:16 0.006
10963 22 4127511 2005-11-14 09:53:26 0.000
10964 148 4131585 2005-11-15 17:38:14 0.051
10965 68 4133367 2005-11-16 10:42:21 0.170
10967 177 4145570 2005-11-21 09:17:44 0.799
10968 148 4135895 2005-11-17 07:38:28 0.094
10969 47 4134485 2005-11-16 17:49:57 0.020
10972 274 4147939 2005-11-22 12:49:44 1.934
10974 4 4316817 2006-02-07 15:35:56 0.068
10975 78 4149686 2005-11-23 08:01:13 5.676
10982 368 4334117 2006-02-14 03:21:23 0.029
10983 308 4334172 2006-02-14 04:15:15 0.113
10984 138 4335021 2006-02-14 08:59:23 2.611
10985 263 4335048 2006-02-14 09:25:10 3.115
10986 5967 4335077 2006-02-14 09:46:44 0.500
10989 271 4337510 2006-02-15 09:53:25 0.600
10990 1102 4338105 2006-02-15 14:23:05 1.234
10991 920 4338092 2006-02-15 14:10:16 0.014
10992 75 4338024 2006-02-15 13:39:51 0.002
10993 90 4337908 2006-02-15 12:55:34 0.336
10994 1506 4337784 2006-02-15 12:12:35 0.070
11004 87 4468425 2006-04-02 05:22:03 0.150
11005 1622 4468442 2006-04-02 05:28:46 0.021
11008 245 4702586 2006-07-05 12:57:31 0.469
11011 64 4468465 2006-04-02 05:36:01 0.094
11014 56 4433383 2006-03-21 09:06:11 0.070
11016 14 4437739 2006-03-22 12:40:04 0.174
11019 873 4432743 2006-03-21 03:49:50 2.393
11021 565 4468482 2006-04-02 05:43:02 0.111
11022 1101 4468506 2006-04-02 05:47:17 0.053
11023 13 4492085 2006-04-12 12:32:10 0.129
11024 134 4468543 2006-04-02 05:56:35 0.002
11025 43 4471955 2006-04-03 07:46:05 1.068
11026 535 4468555 2006-04-02 05:58:48 0.508
11045 1405 4725225 2006-07-13 09:27:38 0.027
11071 81 5003441 2006-10-04 12:22:43 1.777
11077 252 4926249 2006-09-11 05:36:26 0.002
11078 3679 4910636 2006-09-06 19:52:19 0.662
11080 2749 4910593 2006-09-06 19:25:23 0.027
11081 337 4942100 2006-09-15 08:49:55 2.082
11082 418 4919828 2006-09-09 16:01:01 0.016
11083 31 4910467 2006-09-06 18:23:10 0.008
11085 1680 4926190 2006-09-11 05:07:07 0.025
11086 618 4924421 2006-09-10 15:43:38 1.598
11087 129 4924462 2006-09-10 16:00:33 0.310
11088 60 4926674 2006-09-11 07:58:43 0.002
11089 950 4923395 2006-09-10 10:15:20 0.016
11090 1213 4923162 2006-09-10 09:12:11 3.939
11091 125 4923641 2006-09-10 11:26:41 4.943
11092 103 4924747 2006-09-10 17:53:05 0.008
11093 1694 4924673 2006-09-10 17:22:05 1.555
11099 175 5031864 2006-10-12 12:17:54 0.740
11113 72 5031463 2006-10-12 09:55:56 1.168
11115 391 5031475 2006-10-12 10:01:01 0.006
11120 13 5054089 2006-10-18 15:08:26 0.234
11127 153 5052538 2006-10-18 05:47:34 0.352
11129 293 5120939 2006-11-09 11:50:59 0.014
11133 280 5120985 2006-11-09 12:04:47 0.014
11139 52 5069887 2006-10-23 20:45:26 9.842
11158 197 5335321 2007-02-15 12:26:01 0.004
11173 1842 5350429 2007-02-22 01:59:13 0.586
11174 327 5349810 2007-02-21 17:45:44 0.926
11177 65 5369581 2007-03-01 10:18:28 0.006
11178 698 5367592 2007-02-28 17:41:29 0.201
11179 18 5366110 2007-02-28 07:20:58 0.330
11180 93 5367416 2007-02-28 16:21:42 0.094
11181 346 5366176 2007-02-28 07:51:34 0.012
11182 44 5363322 2007-02-27 09:23:33 0.037
11184 121 5362893 2007-02-27 05:44:28 0.193
11191 178 5409509 2007-03-15 10:27:46 3.803
11193 37 5410443 2007-03-15 16:16:36 3.209
11253 48 5802553 2007-08-04 20:05:02 0.023
11254 1397 5802555 2007-08-04 20:05:23 0.342
11255 132 5802561 2007-08-04 20:07:16 0.029
11256 53 5802562 2007-08-04 20:08:09 0.008
11257 31 5802581 2007-08-04 20:15:16 0.232
11258 1025 5802566 2007-08-04 20:08:53 0.082
11259 252 5802567 2007-08-04 20:09:31 2.533
11270 100 5909931 2007-09-10 11:24:52 0.010
11277 84 5909933 2007-09-10 11:25:38 2.360
11402 76 14376056 2014-10-18 23:19:55 0.532
11421 21 6307899 2008-03-16 08:38:04 0.030
11427 263 6653710 2008-09-14 17:01:12 0.030
11441 16 6654927 2008-09-15 06:40:02 0.120
11476 268 6666192 2008-09-20 04:07:28 10.450