Codeforces Alpha Round 21 (Codeforces format)

Solutions are presented as using the least memory and the fastest execution time. It also takes the top 10 most recent solutions from each language. If you want to limit to a specific index, click the "Solved" button and go to that problem.

ContestId
Name
Phase
Frozen
Duration (Seconds)
Relative Time
Start Time
21 Codeforces Alpha Round 21 (Codeforces format) FINISHED False 7200 466016103 June 28, 2010, 1:05 p.m.

Problems

Solved$
Index
Name
Type
Tags
Community Tag
Rating
( 2224 ) C Stripe 2 PROGRAMMING binary search dp sortings 2300

B''...

Tutorials

Submissions

Submission Id
Author(s)
Index
Submitted
Verdict
Language
Test Set
Tests Passed
Time taken (ms)
Memory Consumed (bytes)
Tags
Rating
38066879 cpy C May 9, 2018, 9:45 a.m. OK D TESTS 35 46 8601600 2300
7365676 hos.lyric C Aug. 7, 2014, 8:29 a.m. OK D TESTS 35 92 5427200 2300
4310093 Misha100896 C Aug. 18, 2013, 8:35 p.m. OK Delphi TESTS 35 30 819200 2300
91035 tourist C June 28, 2010, 1:20 p.m. OK Delphi TESTS 35 30 1433600 2300
1013973 Depool C Jan. 5, 2012, 10:17 p.m. OK Delphi TESTS 35 30 2048000 2300
3669102 MrJigan1488 C May 4, 2013, 12:31 p.m. OK Delphi TESTS 35 31 32665600 2300
22192831 upfeed C Nov. 13, 2016, 12:34 p.m. OK Delphi TESTS 35 46 819200 2300
92082 chavit C June 28, 2010, 3:01 p.m. OK Delphi TESTS 35 50 11980800 2300
91034 subscriber C June 28, 2010, 1:19 p.m. OK Delphi TESTS 35 50 15257600 2300
21580616 dinhquyduc13021 C Oct. 19, 2016, 2:01 a.m. OK FPC TESTS 35 15 33689600 2300
483419 Sereja C June 8, 2011, 5:59 p.m. OK FPC TESTS 35 30 1433600 2300
7995247 phobo.ngon C Sept. 28, 2014, 2:06 p.m. OK FPC TESTS 35 31 409600 2300
39036887 thaibinh_007 C June 8, 2018, 5:34 a.m. OK FPC TESTS 35 31 819200 2300
27526221 PhuQuy C June 2, 2017, 2:49 p.m. OK FPC TESTS 35 31 819200 2300
2896468 Unnamed C Jan. 9, 2013, 7:15 a.m. OK FPC TESTS 35 31 819200 2300
2895132 i14 C Jan. 9, 2013, 4:39 a.m. OK FPC TESTS 35 31 819200 2300
2895270 PTNK13091996 C Jan. 9, 2013, 5:36 a.m. OK FPC TESTS 35 31 1228800 2300
30048106 KagamiharaNadeshiko C Sept. 4, 2017, 6:50 a.m. OK FPC TESTS 35 31 1638400 2300
18759837 Kuroni C June 28, 2016, 12:20 a.m. OK FPC TESTS 35 31 1638400 2300
818168 kawatea C Oct. 29, 2011, 8:01 p.m. OK GNU C TESTS 35 60 2150400 2300
92661 stubbscroll C June 29, 2010, 8:33 p.m. OK GNU C TESTS 35 60 2969600 2300
20746732 Jin_Haonan C Sept. 19, 2016, 2:44 a.m. OK GNU C++ TESTS 35 15 614400 2300
8179490 BadDuck C Oct. 12, 2014, 4:40 a.m. OK GNU C++ TESTS 35 15 3174400 2300
17808289 MLine C May 8, 2016, 1:25 p.m. OK GNU C++ TESTS 35 15 3379200 2300
9214305 creatnx C Dec. 21, 2014, 10:09 a.m. OK GNU C++ TESTS 35 30 819200 2300
7796247 reijnnn C Sept. 14, 2014, 5:26 p.m. OK GNU C++ TESTS 35 30 819200 2300
36217485 vjudge2 C March 12, 2018, 8:05 a.m. OK GNU C++ TESTS 35 30 3584000 2300
37657953 luogu_bot1 C April 27, 2018, 11:02 a.m. OK GNU C++ TESTS 35 30 5836800 2300
20522482 vjudge4 C Sept. 11, 2016, 7:27 a.m. OK GNU C++ TESTS 35 31 409600 2300
18612177 markysha C June 20, 2016, 10:11 a.m. OK GNU C++ TESTS 35 31 409600 2300
11128645 anhhung4u C May 17, 2015, 5:09 p.m. OK GNU C++ TESTS 35 31 409600 2300
6481236 marat.snowbear C April 26, 2014, 11:52 p.m. OK GNU C++0x TESTS 35 30 819200 2300
6926179 wanbo C June 20, 2014, 8:04 a.m. OK GNU C++0x TESTS 35 30 921600 2300
4212101 ilovealyona C Aug. 1, 2013, 5:44 a.m. OK GNU C++0x TESTS 35 30 2457600 2300
9215391 zeyuanxy C Dec. 21, 2014, 12:32 p.m. OK GNU C++0x TESTS 35 31 409600 2300
7956319 HellKitsune C Sept. 26, 2014, 12:11 p.m. OK GNU C++0x TESTS 35 31 409600 2300
8239056 aliasadiiii C Oct. 15, 2014, 3:55 p.m. OK GNU C++0x TESTS 35 31 819200 2300
9829142 win_ay39 C Feb. 14, 2015, 2:32 p.m. OK GNU C++0x TESTS 35 31 1228800 2300
8043159 vjudge5 C Oct. 1, 2014, 5:58 a.m. OK GNU C++0x TESTS 35 31 1638400 2300
7779363 kondranin C Sept. 13, 2014, 6:11 a.m. OK GNU C++0x TESTS 35 31 2662400 2300
7809973 imhereonlyforcookies C Sept. 16, 2014, 2:09 p.m. OK GNU C++0x TESTS 35 31 3993600 2300
44872057 cuentafake2 C Oct. 25, 2018, 4:28 p.m. OK GNU C11 TESTS 35 31 409600 2300
44875768 alexiscubilla C Oct. 25, 2018, 5:02 p.m. OK GNU C11 TESTS 35 31 409600 2300
44892202 marcelocarin C Oct. 26, 2018, 3:58 a.m. OK GNU C11 TESTS 35 31 409600 2300
44889618 recaldelias C Oct. 26, 2018, 2:12 a.m. OK GNU C11 TESTS 35 31 409600 2300
44753739 usrosv C Oct. 23, 2018, 10:06 p.m. OK GNU C11 TESTS 35 31 409600 2300
44780269 g2klxzkhhxz C Oct. 24, 2018, 4:11 p.m. OK GNU C11 TESTS 35 31 409600 2300
44662291 Pedro_Larrea C Oct. 21, 2018, 3:51 p.m. OK GNU C11 TESTS 35 31 819200 2300
44673299 heokim C Oct. 22, 2018, 12:07 a.m. OK GNU C11 TESTS 35 31 819200 2300
44715366 MiguelDoCarmo C Oct. 22, 2018, 9:14 p.m. OK GNU C11 TESTS 35 31 819200 2300
44673267 Foneca27 C Oct. 22, 2018, 12:04 a.m. OK GNU C11 TESTS 35 31 819200 2300
20269330 PKUItachi C Aug. 30, 2016, 3:54 a.m. OK GNU C++11 TESTS 35 31 204800 2300
45496636 2016wudi C Nov. 10, 2018, 1:47 a.m. OK GNU C++11 TESTS 35 31 409600 2300
56501673 luogu_bot3 C July 4, 2019, 6:38 a.m. OK GNU C++11 TESTS 35 31 409600 2300
60956592 WhiteCmile C Sept. 21, 2019, 3:01 a.m. OK GNU C++11 TESTS 35 31 409600 2300
45193093 vjudge1 C Nov. 2, 2018, 4:38 a.m. OK GNU C++11 TESTS 35 31 819200 2300
18719634 5120141477 C June 25, 2016, 12:49 p.m. OK GNU C++11 TESTS 35 31 819200 2300
16676057 fengsuiyan C March 12, 2016, 2:55 p.m. OK GNU C++11 TESTS 35 31 819200 2300
12887798 yash_15 C Sept. 7, 2015, 5:13 p.m. OK GNU C++11 TESTS 35 31 819200 2300
49822023 Unknown_Error C Feb. 12, 2019, 9:26 a.m. OK GNU C++11 TESTS 35 31 819200 2300
19510463 BBuf C July 30, 2016, 6:13 a.m. OK GNU C++11 TESTS 35 31 819200 2300
27042736 .I. C May 11, 2017, 9:50 p.m. OK GNU C++14 TESTS 35 31 819200 2300
27910878 DOA C June 19, 2017, 6:29 p.m. OK GNU C++14 TESTS 35 31 819200 2300
32080318 Left567 C Nov. 5, 2017, 4:13 p.m. OK GNU C++14 TESTS 35 31 819200 2300
29636359 easyhoon C Aug. 21, 2017, 6:15 a.m. OK GNU C++14 TESTS 35 31 1228800 2300
35190325 vjudge1 C Feb. 13, 2018, 4:50 a.m. OK GNU C++14 TESTS 35 31 2252800 2300
36201839 Lng C March 11, 2018, 1:50 p.m. OK GNU C++14 TESTS 35 31 2252800 2300
29430203 21August C Aug. 13, 2017, 9:55 a.m. OK GNU C++14 TESTS 35 31 2355200 2300
35574985 farukkastamonuda C Feb. 22, 2018, 2:02 p.m. OK GNU C++14 TESTS 35 31 2355200 2300
25718552 drdanailov C March 22, 2017, 5:45 p.m. OK GNU C++14 TESTS 35 31 2355200 2300
32283535 Paradosk C Nov. 13, 2017, 12:16 p.m. OK GNU C++14 TESTS 35 31 2457600 2300
67111867 ABIR C Dec. 17, 2019, 4:51 p.m. OK GNU C++17 TESTS 35 46 409600 2300
51983725 err0r C March 29, 2019, 5:30 p.m. OK GNU C++17 TESTS 35 46 409600 2300
55318920 chongryong C June 9, 2019, 2:26 a.m. OK GNU C++17 TESTS 35 46 409600 2300
64559442 noelcowm C Nov. 9, 2019, 5:27 a.m. OK GNU C++17 TESTS 35 46 409600 2300
69878130 unknown_coder_bd C Jan. 31, 2020, 5:10 a.m. OK GNU C++17 TESTS 35 46 819200 2300
64593172 ivan100sic C Nov. 9, 2019, 3:33 p.m. OK GNU C++17 TESTS 35 46 819200 2300
55194555 chongryong C June 6, 2019, 7:55 a.m. OK GNU C++17 TESTS 35 46 921600 2300
44750939 Grapeee C Oct. 23, 2018, 7:50 p.m. OK GNU C++17 TESTS 35 46 1024000 2300
48204142 vjudge2 C Jan. 11, 2019, 7:39 a.m. OK GNU C++17 TESTS 35 46 1024000 2300
49619008 tnakao C Feb. 8, 2019, 8:10 a.m. OK GNU C++17 TESTS 35 46 1433600 2300
10264637 Eeyore C March 14, 2015, 1:53 a.m. OK Go TESTS 35 46 1228800 2300
6157851 erikr C March 26, 2014, 11:33 p.m. OK Haskell TESTS 35 92 5222400 2300
283370 watashi C Feb. 12, 2011, 3:23 p.m. OK Haskell TESTS 35 1130 17408000 2300
91045 Egor C June 28, 2010, 1:20 p.m. OK Java 6 TESTS 35 80 42905600 2300
91599 anhdt C June 28, 2010, 2:02 p.m. OK Java 6 TESTS 35 110 42905600 2300
91500 vot C June 28, 2010, 1:53 p.m. OK Java 6 TESTS 35 110 42905600 2300
91393 niyaznigmatul C June 28, 2010, 1:45 p.m. OK Java 6 TESTS 35 110 42905600 2300
91226 alexey.enkov C June 28, 2010, 1:32 p.m. OK Java 6 TESTS 35 110 42905600 2300
91106 Petr C June 28, 2010, 1:25 p.m. OK Java 6 TESTS 35 110 42905600 2300
93059 segrey C July 21, 2010, 2:56 p.m. OK Java 6 TESTS 35 110 43008000 2300
2862503 mukku C Jan. 1, 2013, 4:21 a.m. OK Java 6 TESTS 35 125 0 2300
4094872 tcarg08 C July 17, 2013, 9:36 p.m. OK Java 6 TESTS 35 125 102400 2300
92536 swcai C June 29, 2010, 7:38 a.m. OK Java 6 TESTS 35 130 42905600 2300
7774599 Enavik C Sept. 12, 2014, 6:57 p.m. OK Java 7 TESTS 35 108 0 2300
17133483 Ereke C April 2, 2016, 4:06 p.m. OK Java 7 TESTS 35 124 38912000 2300
3821181 CurbStomp C June 4, 2013, 10:37 a.m. OK Java 7 TESTS 35 125 0 2300
2511680 LovelyPenguin C Nov. 5, 2012, 3:36 p.m. OK Java 7 TESTS 35 125 0 2300
5019806 eos2102 C Nov. 7, 2013, 4:21 a.m. OK Java 7 TESTS 35 186 0 2300
4326884 DoublePointer C Aug. 22, 2013, 11:19 p.m. OK Java 7 TESTS 35 186 0 2300
4407706 Zyflair C Sept. 5, 2013, 3:02 a.m. OK Java 7 TESTS 35 218 0 2300
4279625 ssohn C Aug. 14, 2013, 10:38 p.m. OK Java 7 TESTS 35 218 102400 2300
11277103 timbanaveen C May 26, 2015, 10:43 a.m. OK Java 7 TESTS 35 233 0 2300
11144975 mkirsche C May 19, 2015, 2:18 p.m. OK Java 7 TESTS 35 264 0 2300
55223461 mennafadali C June 6, 2019, 9:51 p.m. OK Java 8 TESTS 35 93 3276800 2300
22306464 Sagar_Savaliya C Nov. 18, 2016, 12:49 p.m. OK Java 8 TESTS 35 109 3174400 2300
50504840 hongquanntct C Feb. 25, 2019, 7:04 p.m. OK Java 8 TESTS 35 109 3379200 2300
18739170 kocko C June 26, 2016, 3:12 p.m. OK Java 8 TESTS 35 109 3584000 2300
11145984 poikniok C May 19, 2015, 3:40 p.m. OK Java 8 TESTS 35 124 0 2300
38688326 ViciousCoder C May 28, 2018, 8:25 a.m. OK Java 8 TESTS 35 124 3174400 2300
68453934 -f00- C Jan. 9, 2020, 3:24 p.m. OK Java 8 TESTS 35 124 6348800 2300
62515470 Hamza_Hassan C Oct. 13, 2019, 2:17 p.m. OK Java 8 TESTS 35 124 7065600 2300
34111244 parth_15 C Jan. 12, 2018, 4:56 p.m. OK Java 8 TESTS 35 124 20275200 2300
28544266 Killer45 C July 14, 2017, 9:29 a.m. OK Java 8 TESTS 35 139 26009600 2300
39954516 fpdrot C July 4, 2018, 12:14 p.m. OK Kotlin TESTS 35 280 9830400 2300
92934 Hadi_Asiaie C July 9, 2010, 1:06 p.m. OK Mono C# TESTS 35 140 13209600 2300
92407 fujiyama C June 28, 2010, 6:59 p.m. OK Mono C# TESTS 35 140 13312000 2300
92843 superkinhluan C July 5, 2010, 5:50 p.m. OK Mono C# TESTS 35 140 13312000 2300
92072 tanzaku C June 28, 2010, 3 p.m. OK Mono C# TESTS 35 160 14438400 2300
93157 Utka C July 30, 2010, 4:02 a.m. OK Mono C# TESTS 35 160 16179200 2300
513218 wrong C June 28, 2011, 3:37 p.m. OK Mono C# TESTS 35 190 7782400 2300
11513844 galileo815 C June 9, 2015, 5:56 p.m. OK MS C# TESTS 35 77 9728000 2300
11572738 galileo815 C June 13, 2015, 6:54 p.m. OK MS C# TESTS 35 77 9830400 2300
18222019 azukun C June 2, 2016, 6:54 p.m. OK MS C# TESTS 35 77 22630400 2300
11483118 trouble_maaker C June 7, 2015, 7:44 a.m. OK MS C# TESTS 35 93 14540800 2300
11823043 Lepec1n C June 28, 2015, 12:41 p.m. OK MS C# TESTS 35 109 4300800 2300
56524607 vjudge4 C July 4, 2019, 4:33 p.m. OK MS C++ TESTS 35 31 819200 2300
56519495 vjudge1 C July 4, 2019, 2:17 p.m. OK MS C++ TESTS 35 31 819200 2300
11271441 Amr_Hassan C May 25, 2015, 10:50 p.m. OK MS C++ TESTS 35 31 819200 2300
2804746 numitus C Dec. 21, 2012, 8:22 p.m. OK MS C++ TESTS 35 31 1228800 2300
4100120 DrAgOn3x C July 18, 2013, 3:54 p.m. OK MS C++ TESTS 35 31 1638400 2300
56501883 vjudge5 C July 4, 2019, 6:44 a.m. OK MS C++ TESTS 35 46 409600 2300
2375946 kingofnumbers C Oct. 16, 2012, 6:34 p.m. OK MS C++ TESTS 35 46 819200 2300
56505743 vjudge3 C July 4, 2019, 8:22 a.m. OK MS C++ TESTS 35 46 819200 2300
56524381 vjudge2 C July 4, 2019, 4:27 p.m. OK MS C++ TESTS 35 46 819200 2300
48872447 vjudge4 C Jan. 24, 2019, 6:38 a.m. OK MS C++ TESTS 35 46 1638400 2300
64972035 Saber4096 C Nov. 15, 2019, 4:31 a.m. OK MS C++ 2017 TESTS 35 78 921600 2300
57383417 raj1307 C July 20, 2019, 3:09 p.m. OK PyPy 2 TESTS 35 140 6041600 2300
17216883 sknaht C April 7, 2016, 5:31 p.m. OK Python 2 TESTS 35 140 10240000 2300
35848263 ______u______ C March 2, 2018, 4:56 p.m. OK Python 2 TESTS 35 171 12902400 2300
35848170 ______n______ C March 2, 2018, 4:55 p.m. OK Python 2 TESTS 35 171 12902400 2300
35847906 _____i_____ C March 2, 2018, 4:51 p.m. OK Python 2 TESTS 35 171 12902400 2300
35847868 _____k_____ C March 2, 2018, 4:50 p.m. OK Python 2 TESTS 35 171 12902400 2300
35841203 ______h______ C March 2, 2018, 2:32 p.m. OK Python 2 TESTS 35 171 12902400 2300
35841169 ______k______ C March 2, 2018, 2:32 p.m. OK Python 2 TESTS 35 171 12902400 2300
35840863 ______i______ C March 2, 2018, 2:26 p.m. OK Python 2 TESTS 35 171 12902400 2300
35837966 ______M______ C March 2, 2018, 1:22 p.m. OK Python 2 TESTS 35 171 12902400 2300
4143344 victsou C July 23, 2013, 9:58 p.m. OK Python 2 TESTS 35 186 5529600 2300
16908575 MarcoXerox C March 24, 2016, 3:15 p.m. OK Python 3 TESTS 35 124 12288000 2300
45135083 annoying C Oct. 31, 2018, noon OK Python 3 TESTS 35 171 7372800 2300
56142880 nikunjpatel C June 27, 2019, 4:29 a.m. OK Python 3 TESTS 35 171 7782400 2300
17814616 zhangsen1121 C May 9, 2016, 1:11 a.m. OK Python 3 TESTS 35 186 12185600 2300
42134013 Mk_Python_v1 C Aug. 26, 2018, 9:19 p.m. OK Python 3 TESTS 35 249 7372800 2300
92760 DNNX C July 1, 2010, 10:25 p.m. OK Ruby TESTS 35 420 9932800 2300
92652 mipt.vi002 C June 29, 2010, 5:12 p.m. OK Ruby TESTS 35 500 10752000 2300

remove filters

Back to search problems