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
nophoto caohongchen (hongchen)

873

359

350

2011-03-12

2014-12-23

SUBMISSIONS PROBLEMS TRIED PROBLEMS SOLVED FIRST SUBMISSION LAST SUBMISSION
Solved problems
ProblemRankingSubmissionDateRun time
100 60024 8771066 2011-04-22 19:14:59 0.696
101 6896 9071710 2011-07-23 03:56:18 0.012
102 5116 9072586 2011-07-23 09:50:21 0.032
103 3467 10107758 2012-05-13 07:26:07 0.000
106 2151 9457365 2011-11-10 05:08:08 0.804
107 514 8727784 2011-04-09 01:52:28 0.048
108 4016 8900193 2011-05-29 16:13:44 0.012
110 715 9835875 2012-03-09 10:42:28 0.084
111 4191 10104391 2012-05-12 05:59:22 0.012
112 2214 8877833 2011-05-23 16:18:59 0.136
113 10904 8756018 2011-04-18 04:48:43 0.012
116 5792 10597087 2012-09-13 09:33:33 0.288
120 4035 8727665 2011-04-09 01:05:01 0.012
122 3906 8912377 2011-06-02 10:58:34 0.008
123 2416 8768669 2011-04-22 06:34:17 0.016
127 690 9069651 2011-07-22 08:56:56 0.400
128 451 9475998 2011-11-16 05:16:09 0.088
129 2211 8902194 2011-05-30 08:26:13 0.012
131 1204 9100013 2011-07-31 11:43:40 0.012
133 5345 9074466 2011-07-24 03:09:15 0.008
136 18412 8889358 2011-05-26 14:46:58 0.012
138 5058 9148279 2011-08-14 10:10:30 0.020
146 12288 9087015 2011-07-28 02:04:48 0.012
152 1162 8720254 2011-04-07 05:50:43 0.212
156 8748 8760524 2011-04-19 14:25:25 0.012
160 9999 8875060 2011-05-23 04:19:32 0.020
165 771 9841260 2012-03-10 14:20:08 0.160
167 5378 9839980 2012-03-10 08:23:53 0.016
216 3277 9836416 2012-03-09 13:25:16 0.068
253 3716 8862427 2011-05-19 08:45:57 0.012
270 1196 9116809 2011-08-05 11:20:02 2.040
272 29450 8872235 2011-05-22 05:37:24 0.012
297 2912 9077440 2011-07-25 06:17:50 0.008
299 15467 8756214 2011-04-18 06:42:00 0.008
311 618 9334639 2011-10-05 06:40:42 0.008
327 225 9085021 2011-07-27 13:22:27 0.040
331 577 9836553 2012-03-09 13:50:46 0.008
340 4679 8720158 2011-04-07 05:19:16 0.020
343 1843 9366605 2011-10-13 13:57:48 0.136
350 6539 8854934 2011-05-17 09:02:37 0.680
355 907 9369693 2011-10-14 11:02:45 0.008
357 4244 10133176 2012-05-20 03:37:07 0.012
375 302 8866493 2011-05-20 09:48:16 0.064
382 15640 8862403 2011-05-19 08:40:58 0.020
389 1304 9369782 2011-10-14 11:31:19 0.144
400 2504 8770866 2011-04-22 18:07:31 0.032
401 8226 8658675 2011-03-18 07:31:48 0.012
408 4758 8854043 2011-05-17 04:18:33 0.056
409 1868 8680440 2011-03-26 04:31:50 0.004
414 7537 8804419 2011-05-03 05:29:01 0.012
424 8463 8698143 2011-04-01 05:21:54 0.012
439 4032 9335317 2011-10-05 09:29:46 0.016
442 4095 9075377 2011-07-24 09:54:10 0.008
445 9458 8862571 2011-05-19 09:21:23 0.016
457 2063 8862596 2011-05-19 09:28:06 0.012
458 3981 8802123 2011-05-02 13:00:38 0.016
459 5488 9366609 2011-10-13 13:58:26 0.008
465 1040 8716744 2011-04-06 07:11:54 0.000
483 15466 8872342 2011-05-22 06:22:27 0.032
488 10967 8806151 2011-05-03 14:48:22 0.472
489 3623 8819578 2011-05-07 13:41:52 0.096
490 8657 8819474 2011-05-07 12:38:07 0.012
494 15488 8802365 2011-05-02 14:13:15 0.008
495 10388 9460703 2011-11-11 03:18:50 2.204
514 239 8902001 2011-05-30 07:11:38 0.028
524 5096 9338712 2011-10-06 02:22:30 0.272
529 1594 9851623 2012-03-13 05:00:10 0.112
530 7415 9464074 2011-11-12 07:57:56 0.020
532 3153 9335316 2011-10-05 09:29:22 0.016
536 5201 8902008 2011-05-30 07:13:33 0.012
537 2020 8661394 2011-03-19 01:45:00 0.004
540 5129 9078360 2011-07-25 15:04:38 0.236
542 1131 10090263 2012-05-08 18:13:05 0.008
548 2496 8887431 2011-05-26 04:54:00 0.200
550 626 8888591 2011-05-26 11:39:30 0.024
557 353 10103311 2012-05-12 03:15:11 0.024
567 1488 10148944 2012-05-24 09:38:12 0.096
568 6302 8786804 2011-04-27 23:41:10 0.092
571 560 10034058 2012-04-25 11:39:47 0.008
572 13091 9080245 2011-07-26 02:31:42 0.016
573 14255 8768979 2011-04-22 08:13:22 0.024
575 11716 8856273 2011-05-17 14:47:17 0.012
579 8816 8834248 2011-05-12 04:16:26 0.052
591 14272 8756075 2011-04-18 05:11:53 0.008
592 420 9107607 2011-08-02 13:24:02 0.016
612 2137 8874619 2011-05-22 23:02:28 0.156
621 11437 8760249 2011-04-19 13:09:36 0.020
624 7695 10133270 2012-05-20 04:35:48 0.428
639 1940 9836724 2012-03-09 14:14:35 0.008
644 1371 8678508 2011-03-25 09:39:07 0.060
657 1366 9350900 2011-10-09 11:37:48 0.008
673 3981 9075694 2011-07-24 12:22:37 0.036
674 3250 9885885 2012-03-20 08:57:29 0.032
679 3676 8902025 2011-05-30 07:18:51 0.092
694 2896 8803919 2011-05-03 00:50:37 0.024
699 2234 9081172 2011-07-26 12:24:39 0.152
701 1719 9458483 2011-11-10 13:30:23 0.148
705 1247 10129951 2012-05-19 06:24:02 0.016
706 5541 9103905 2011-08-01 12:10:44 0.064
712 1870 8887428 2011-05-26 04:53:06 0.008
714 2962 9857743 2012-03-14 13:02:36 0.044
727 1404 9072483 2011-07-23 08:58:30 0.076
729 3376 9087491 2011-07-28 04:54:26 0.248
748 1222 8673346 2011-03-23 13:14:43 0.008
755 1142 8741098 2011-04-13 04:28:16 0.496
757 146 9862223 2012-03-15 10:30:36 0.032
763 1794 9451381 2011-11-08 05:29:53 2.668
784 1356 9081145 2011-07-26 12:08:28 0.028
793 2276 9355482 2011-10-10 14:19:53 0.084
839 2544 9083361 2011-07-27 01:30:57 0.100
843 1861 10605056 2012-09-15 05:24:34 0.152
846 3382 8764982 2011-04-21 05:20:25 0.016
847 5604 9161547 2011-08-17 10:41:59 0.012
861 2207 9867382 2012-03-16 11:50:46 0.052
900 9324 9460717 2011-11-11 03:27:03 0.136
948 3831 9460730 2011-11-11 03:40:48 0.784
993 3986 9857851 2012-03-14 13:20:59 0.048
1009 258 9507393 2011-11-26 08:44:40 0.084
1069 261 11188159 2013-01-26 05:22:19 0.140
1160 1182 11462067 2013-03-18 11:18:09 0.028
1203 2714 11461871 2013-03-18 10:58:10 0.012
1315 289 11232974 2013-02-02 12:44:34 0.176
1319 49 11232961 2013-02-02 12:43:20 0.008
1341 51 11193686 2013-01-27 06:54:05 1.724
1350 151 11233002 2013-02-02 12:49:43 0.416
1363 463 11208144 2013-01-29 13:17:38 0.052
1393 91 11233047 2013-02-02 12:56:00 0.068
1415 59 11206838 2013-01-29 08:20:51 0.012
1434 274 11208344 2013-01-29 13:49:30 3.676
1436 66 11233078 2013-02-02 13:02:08 1.872
1476 341 11251773 2013-02-06 07:13:55 0.824
1478 45 11233111 2013-02-02 13:08:42 1.060
1482 447 11221757 2013-01-31 13:35:11 0.016
1485 106 11233092 2013-02-02 13:04:29 0.036
1500 156 11252450 2013-02-06 09:21:23 0.080
1510 213 11232998 2013-02-02 12:48:36 0.788
10001 1251 10090073 2012-05-08 17:10:06 0.196
10003 9314 10079905 2012-05-06 03:05:13 0.636
10004 13036 9338605 2011-10-06 01:27:59 0.008
10006 6294 9155499 2011-08-16 03:35:29 0.560
10010 2781 8692658 2011-03-30 07:15:22 0.008
10012 980 9839727 2012-03-10 07:13:16 0.196
10014 2729 8867727 2011-05-20 15:58:42 0.028
10018 14327 9161537 2011-08-17 10:40:19 0.020
10020 3090 9141030 2011-08-12 10:29:16 0.100
10023 1664 9987293 2012-04-13 11:47:34 2.536
10025 2178 8760148 2011-04-19 12:41:47 0.008
10026 4620 9133381 2011-08-10 06:37:00 0.012
10033 3367 9870511 2012-03-17 01:25:18 0.008
10034 5929 9988973 2012-04-13 17:54:49 0.012
10035 12063 8874751 2011-05-23 00:39:18 0.020
10037 1623 8704060 2011-04-02 20:40:54 0.012
10038 18003 8894695 2011-05-27 23:59:39 0.012
10041 15504 9132970 2011-08-10 03:30:41 0.136
10042 3596 9457894 2011-11-10 09:16:21 0.264
10047 1148 10140270 2012-05-22 02:51:27 0.016
10049 1132 9417171 2011-10-28 11:53:27 0.024
10050 9149 8888838 2011-05-26 12:51:28 0.008
10054 1353 9989217 2012-04-13 19:00:06 0.268
10055 14086 8802587 2011-05-02 15:08:02 0.060
10056 2768 10038780 2012-04-26 10:44:13 0.016
10057 2439 9139835 2011-08-12 02:30:25 0.776
10061 675 8855415 2011-05-17 11:16:10 0.216
10069 3353 10076885 2012-05-05 08:37:13 2.248
10071 23815 8802573 2011-05-02 15:04:25 0.028
10077 4930 9458387 2011-11-10 12:56:33 0.048
10081 1414 10098628 2012-05-11 01:13:09 0.008
10082 18176 8866471 2011-05-20 09:45:01 0.008
10090 2098 9977038 2012-04-10 21:13:13 0.056
10098 2073 9087446 2011-07-28 04:36:12 0.084
10099 4910 10617690 2012-09-18 05:09:01 0.072
10104 5999 9161688 2011-08-17 11:18:07 0.516
10105 3755 9161558 2011-08-17 10:45:06 0.056
10106 4932 8698188 2011-04-01 05:36:35 0.008
10110 12060 8834764 2011-05-12 07:11:26 0.072
10112 1048 8904945 2011-05-31 05:59:56 0.008
10115 1339 8695588 2011-03-31 13:57:41 0.008
10125 3140 10126038 2012-05-18 03:30:58 2.476
10127 8669 9161533 2011-08-17 10:39:35 0.012
10128 1692 10102859 2012-05-11 23:57:12 0.036
10129 1615 9350535 2011-10-09 09:20:14 0.024
10131 4674 10076648 2012-05-05 07:13:43 0.012
10132 1731 9112987 2011-08-04 08:39:05 0.008
10137 5145 9103419 2011-08-01 09:17:01 0.012
10139 2428 9455107 2011-11-09 12:29:29 0.160
10142 2620 9872018 2012-03-17 08:26:41 0.788
10152 1222 9074732 2011-07-24 06:19:08 0.168
10154 1700 10079812 2012-05-06 02:36:16 0.068
10157 507 9429631 2011-11-01 04:33:28 0.912
10161 5033 8756128 2011-04-18 05:43:55 0.008
10167 218 9088191 2011-07-28 08:01:35 0.008
10168 5337 9161828 2011-08-17 11:55:23 0.620
10169 223 10092374 2012-05-09 09:00:15 0.164
10177 1815 8868436 2011-05-20 19:42:07 0.020
10181 1227 9941244 2012-04-01 12:17:42 0.960
10183 5197 9161563 2011-08-17 10:45:39 0.320
10189 11133 9103240 2011-08-01 08:25:30 0.008
10191 3222 9133141 2011-08-10 05:03:28 0.008
10192 4448 10133130 2012-05-20 03:13:07 0.008
10194 1762 8792751 2011-04-29 15:10:01 0.012
10196 3837 9871702 2012-03-17 07:13:00 0.016
10198 4354 9410056 2011-10-26 05:43:12 0.936
10201 400 10150533 2012-05-24 16:32:50 0.008
10205 2567 10605820 2012-09-15 08:51:02 0.008
10213 2050 9429422 2011-11-01 03:20:21 0.672
10226 8755 9355001 2011-10-10 12:15:52 2.844
10229 2552 9444156 2011-11-05 16:19:22 0.012
10236 78 9443534 2011-11-05 12:38:24 0.020
10237 407 11019216 2012-12-12 06:06:54 2.476
10242 4197 8874749 2011-05-23 00:38:55 0.012
10247 615 9406823 2011-10-25 05:01:33 0.564
10250 387 8862315 2011-05-19 08:19:25 0.028
10252 6286 9103522 2011-08-01 09:56:05 0.008
10254 1184 9406912 2011-10-25 05:37:29 1.192
10258 5521 10605678 2012-09-15 08:11:24 0.012
10261 2529 10597617 2012-09-13 13:02:23 2.048
10267 3016 9102778 2011-08-01 06:29:28 0.072
10271 1870 10601281 2012-09-14 09:46:36 0.616
10276 2815 10452860 2012-08-09 02:55:26 0.008
10277 105 10092123 2012-05-09 08:16:54 0.048
10278 1549 9989296 2012-04-13 19:17:37 0.872
10282 5956 10130038 2012-05-19 06:55:49 1.080
10288 990 11325244 2013-02-22 06:54:08 0.016
10300 17787 8802554 2011-05-02 15:00:46 0.008
10303 986 9303986 2011-09-27 04:50:29 0.192
10305 13541 9080500 2011-07-26 06:34:29 0.016
10308 361 10037596 2012-04-26 04:14:22 0.000
10315 3001 9994428 2012-04-15 13:16:27 0.016
10334 4319 9169740 2011-08-19 10:36:47 0.568
10340 12198 9107059 2011-08-02 09:56:18 0.016
10341 5416 8771175 2011-04-22 20:10:46 0.052
10344 2686 9836559 2012-03-09 13:51:54 0.532
10361 2277 8680485 2011-03-26 05:31:32 0.004
10363 1808 8887430 2011-05-26 04:53:38 0.008
10375 767 10037798 2012-04-26 05:30:11 0.012
10387 1204 8866464 2011-05-20 09:42:28 0.064
10391 1218 9354507 2011-10-10 09:25:32 0.040
10392 1354 8855870 2011-05-17 13:10:07 0.052
10397 1642 10087949 2012-05-08 06:40:23 0.176
10400 1675 9861995 2012-03-15 09:15:52 3.880
10405 11723 9857456 2012-03-14 12:04:02 0.188
10420 3731 8720320 2011-04-07 06:19:26 0.004
10450 5147 9460753 2011-11-11 03:54:58 0.220
10469 9687 8912426 2011-06-02 11:15:23 0.008
10474 10342 8739289 2011-04-12 14:21:02 0.656
10487 3474 9109306 2011-08-03 03:26:31 0.068
10491 3163 10090218 2012-05-08 17:58:02 0.072
10494 1186 8716571 2011-04-06 05:48:37 0.004
10499 3580 8765033 2011-04-21 05:49:28 0.036
10516 217 10102985 2012-05-12 01:21:51 0.172
10518 664 11001590 2012-12-08 07:52:55 0.012
10557 1536 10126552 2012-05-18 07:37:56 0.032
10559 1022 10088170 2012-05-08 08:05:44 1.144
10562 1010 9084121 2011-07-27 07:20:30 0.008
10579 3866 9460790 2011-11-11 04:30:17 0.180
10590 187 11325954 2013-02-22 10:20:11 2.252
10591 4322 10108060 2012-05-13 08:49:16 0.012
10602 603 9861906 2012-03-15 08:52:08 0.016
10608 1147 9369834 2011-10-14 11:51:46 0.010
10617 1154 10133408 2012-05-20 05:35:43 0.008
10624 343 9851725 2012-03-13 05:35:07 1.620
10673 2375 9169830 2011-08-19 11:02:44 0.012
10692 182 11205914 2013-01-29 05:15:26 0.008
10696 9953 8912383 2011-06-02 10:59:34 0.200
10700 1711 9140642 2011-08-12 08:06:03 0.020
10706 838 9334638 2011-10-05 06:40:22 0.008
10714 2524 9113395 2011-08-04 12:53:55 0.284
10717 582 9476051 2011-11-16 05:57:26 0.120
10718 1187 9862605 2012-03-15 12:50:04 0.008
10719 460 8868128 2011-05-20 18:02:13 0.088
10739 2626 10133343 2012-05-20 05:07:08 0.196
10759 971 10090155 2012-05-08 17:36:20 0.012
10763 4362 9109064 2011-08-03 01:49:26 1.128
10780 588 10786304 2012-10-24 09:12:42 0.008
10785 667 8782147 2011-04-26 12:44:14 0.012
10790 2831 8862448 2011-05-19 08:50:28 0.048
10791 1334 10798393 2012-10-26 11:17:59 0.008
10810 3259 9413641 2011-10-27 09:26:41 0.352
10815 4390 8682780 2011-03-27 00:51:24 0.016
10820 1507 10033219 2012-04-25 07:21:21 0.032
10862 993 10115678 2012-05-15 09:42:29 0.192
10878 2005 8690276 2011-03-29 13:02:18 0.004
10879 1464 8855922 2011-05-17 13:21:38 0.040
10883 166 10986964 2012-12-05 06:11:11 0.100
10884 63 11243226 2013-02-04 14:17:29 0.228
10887 606 10130148 2012-05-19 07:25:49 0.692
10892 2074 10787887 2012-10-24 14:19:54 0.092
10900 683 9454528 2011-11-09 08:18:58 0.032
10905 1971 9107299 2011-08-02 11:30:46 0.164
10916 456 8874785 2011-05-23 01:05:03 0.020
10921 10844 8866571 2011-05-20 10:04:51 0.020
10943 3414 10039031 2012-04-26 11:43:47 0.036
10954 10167 9140584 2011-08-12 07:42:03 0.240
10970 5054 8756242 2011-04-18 06:52:45 0.040
11000 4894 9460820 2011-11-11 04:46:26 0.008
11021 779 11242994 2013-02-04 13:16:53 0.312
11027 241 10087863 2012-05-08 05:53:22 0.008
11029 1326 10034667 2012-04-25 13:46:46 0.008
11038 750 11232994 2013-02-02 12:47:30 0.064
11039 1873 14716200 2014-12-23 19:40:32 0.138
11044 16147 8867845 2011-05-20 16:38:18 0.012
11069 1828 9170105 2011-08-19 12:35:53 0.008
11076 583 10802617 2012-10-27 06:10:59 0.148
11111 825 10104732 2012-05-12 07:50:06 0.064
11121 1684 9169970 2011-08-19 11:54:29 0.140
11129 334 9877227 2012-03-18 10:56:15 0.016
11137 5153 10807321 2012-10-28 09:34:26 0.408
11139 29 11012294 2012-12-10 13:06:02 0.008
11150 7951 8893496 2011-05-27 16:28:05 0.008
11176 144 10107897 2012-05-13 08:08:48 0.024
11181 620 10103051 2012-05-12 02:02:42 0.044
11218 1038 9338734 2011-10-06 02:41:20 0.400
11234 469 9079757 2011-07-25 22:22:30 0.108
11362 1796 8912397 2011-06-02 11:02:48 0.100
11375 495 10807172 2012-10-28 08:56:44 0.708
11384 1920 10786021 2012-10-24 08:03:46 0.340
11388 6370 10781419 2012-10-23 13:05:09 0.012
11401 3471 10802641 2012-10-27 06:17:22 0.880
11426 1820 11188237 2013-01-26 05:44:29 2.160
11461 11410 10798385 2012-10-26 11:15:57 0.068
11481 142 11015350 2012-12-11 07:48:23 0.024
11489 1222 10802979 2012-10-27 08:10:30 0.008
11490 46 11200458 2013-01-28 09:22:54 0.324
11498 17610 8889322 2011-05-26 14:38:06 0.012
11526 3438 8856318 2011-05-17 14:58:21 1.184
11538 1666 10801850 2012-10-27 01:16:07 0.772
11542 361 11251912 2013-02-06 07:40:22 0.020
11547 19253 8889326 2011-05-26 14:39:01 0.012
11584 1337 11229184 2013-02-01 18:42:52 0.060
11609 796 10987009 2012-12-05 06:22:05 0.008
11631 1836 9335697 2011-10-05 11:20:45 0.296
11636 9044 14333329 2014-10-10 15:25:42 0.018
11645 301 11019161 2012-12-12 05:47:12 0.628
11727 22665 8893446 2011-05-27 16:16:11 0.008
11728 1874 11023152 2012-12-13 06:12:24 0.132
11752 967 10798826 2012-10-26 12:36:05 0.592
11754 187 11188527 2013-01-26 07:17:50 0.028
11768 167 11199999 2013-01-28 07:50:19 0.376
11806 937 10807018 2012-10-28 08:18:17 0.212
11889 1667 10785208 2012-10-24 04:39:16 1.824
11892 399 11221879 2013-01-31 13:51:05 0.168
11916 193 11188655 2013-01-26 08:03:59 0.520
11991 5219 11094336 2013-01-01 01:27:28 0.460
11995 6776 11094323 2013-01-01 01:19:23 0.100
11997 1405 11462019 2013-03-18 11:12:40 0.500
12050 234 11232957 2013-02-02 12:42:27 0.008
12075 193 11233054 2013-02-02 12:56:53 0.624
12119 16 11214367 2013-01-30 12:20:29 0.280
12123 63 11233070 2013-02-02 13:00:56 0.784
12293 1007 11221802 2013-01-31 13:42:01 0.012