Codeforces Beta Round 77 (Div. 1 Only)

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
95 Codeforces Beta Round 77 (Div. 1 Only) FINISHED False 7200 434473179 July 8, 2011, 3 p.m.

Problems

Solved$
Index
Name
Type
Tags
Community Tag
Rating
( 1275 ) B Lucky Numbers PROGRAMMING dp greedy 1800

B"Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not. Lucky number is super lucky if it's decimal representation contains equal amount of digits 4 and 7. For example, numbers 47, 7744, 474477 are super lucky and 4, 744, 467 are not. One day Petya came across a positive integer n. Help him to find the least super lucky number which is not less than n. The only line contains a positive integer n (1 xe2 x80 x89 xe2 x89 xa4 xe2 x80 x89n xe2 x80 x89 xe2 x89 xa4 xe2 x80 x8910100000). This number doesn't have leading zeroes. Output the least super lucky number that is more than or equal to n."...

Tutorials

Codeforces Beta Round #77 - Analysis

Submissions

Submission Id
Author(s)
Index
Submitted
Verdict
Language
Test Set
Tests Passed
Time taken (ms)
Memory Consumed (bytes)
Tags
Rating
4393700 Golovanov399 B Sept. 1, 2013, 3:02 p.m. OK Delphi TESTS 86 30 204800 1800
533228 sankear B July 8, 2011, 3:25 p.m. OK Delphi TESTS 86 30 5734400 1800
3037306 AleksanderBalobanov B Jan. 30, 2013, 2:42 p.m. OK Delphi TESTS 86 31 2252800 1800
534726 kontr B July 8, 2011, 4:02 p.m. OK Delphi TESTS 86 60 2252800 1800
4393885 Timur_Keks B Sept. 1, 2013, 3:46 p.m. OK Delphi TESTS 86 62 716800 1800
543655 vlad107 B July 12, 2011, 8:01 p.m. OK FPC TESTS 86 30 1331200 1800
910663 nlbao B Nov. 29, 2011, 5:22 p.m. OK FPC TESTS 86 30 1331200 1800
545711 Jicote B July 15, 2011, 1:11 a.m. OK FPC TESTS 86 30 1331200 1800
539038 boba B July 9, 2011, 8:14 a.m. OK FPC TESTS 86 30 1843200 1800
905012 LifeKeeper B Nov. 26, 2011, 6:52 a.m. OK FPC TESTS 86 30 2150400 1800
537694 Sereja B July 8, 2011, 6:44 p.m. OK FPC TESTS 86 30 2150400 1800
533922 Sereja B July 8, 2011, 3:40 p.m. OK FPC TESTS 86 30 2150400 1800
641892 ubergeek B Aug. 29, 2011, 1:33 p.m. OK FPC TESTS 86 30 2560000 1800
536400 winterwolf94 B July 8, 2011, 4:52 p.m. OK FPC TESTS 86 30 3072000 1800
1074845 valikluks1995 B Jan. 18, 2012, 6:26 a.m. OK FPC TESTS 86 30 6144000 1800
5314758 vjudge2 B Nov. 30, 2013, 4:37 p.m. OK GNU C TESTS 86 30 102400 1800
5293238 frrahat B Nov. 29, 2013, 12:09 p.m. OK GNU C TESTS 86 30 102400 1800
546645 lugovskoy B July 15, 2011, 11:56 a.m. OK GNU C TESTS 86 30 1433600 1800
537194 zzldjk B July 8, 2011, 5:51 p.m. OK GNU C TESTS 86 30 1433600 1800
542676 iTed B July 12, 2011, 1:39 a.m. OK GNU C TESTS 86 30 1536000 1800
640658 earthson B Aug. 28, 2011, 10:05 a.m. OK GNU C TESTS 86 30 1638400 1800
640636 earthson B Aug. 28, 2011, 9:47 a.m. OK GNU C TESTS 86 30 1638400 1800
536090 stafp B July 8, 2011, 4:42 p.m. OK GNU C TESTS 86 30 1843200 1800
533655 scottai1 B July 8, 2011, 3:34 p.m. OK GNU C TESTS 86 30 1843200 1800
766823 kawatea B Oct. 14, 2011, 7:46 p.m. OK GNU C TESTS 86 30 2764800 1800
4000558 vjudge2 B July 1, 2013, 5:22 p.m. OK GNU C++ TESTS 86 15 102400 1800
3000973 vjudge1 B Jan. 24, 2013, 8:24 a.m. OK GNU C++ TESTS 86 15 102400 1800
3402448 zhonghaoxi B March 25, 2013, 5:44 a.m. OK GNU C++ TESTS 86 15 204800 1800
2985225 Moor B Jan. 22, 2013, 3:34 p.m. OK GNU C++ TESTS 86 15 204800 1800
4912956 yangff B Oct. 27, 2013, 12:43 p.m. OK GNU C++ TESTS 86 15 512000 1800
3556979 tsfn B April 17, 2013, 3:11 p.m. OK GNU C++ TESTS 86 15 1945600 1800
2788591 Yousef_Salama B Dec. 17, 2012, 6:36 p.m. OK GNU C++ TESTS 86 15 3379200 1800
3149672 taojiaen B Feb. 20, 2013, 8:34 a.m. OK GNU C++ TESTS 86 15 3379200 1800
3012019 vjudge2 B Jan. 26, 2013, 12:21 p.m. OK GNU C++ TESTS 86 15 3379200 1800
3000279 vjudge4 B Jan. 24, 2013, 5:40 a.m. OK GNU C++ TESTS 86 15 3379200 1800
6612210 fegla B May 14, 2014, 12:09 a.m. OK GNU C++0x TESTS 86 30 409600 1800
9339355 aliasadiiii B Jan. 1, 2015, 2:21 p.m. OK GNU C++0x TESTS 86 30 512000 1800
654044 Archon.JK B Aug. 31, 2011, 5:42 p.m. OK GNU C++0x TESTS 86 30 1536000 1800
534521 chyx B July 8, 2011, 3:57 p.m. OK GNU C++0x TESTS 86 30 1843200 1800
3769553 problem-solved B May 25, 2013, 3:46 p.m. OK GNU C++0x TESTS 86 31 3584000 1800
548245 cavalier B July 16, 2011, 8:24 a.m. OK GNU C++0x TESTS 86 50 1740800 1800
533285 watashi B July 8, 2011, 3:26 p.m. OK GNU C++0x TESTS 86 50 8089600 1800
6564301 mc_mosa B May 6, 2014, 7:42 p.m. OK GNU C++0x TESTS 86 60 409600 1800
6949089 wanbo B June 23, 2014, 6:17 p.m. OK GNU C++0x TESTS 86 60 11264000 1800
9612211 ppp2 B Jan. 29, 2015, 7:57 a.m. OK GNU C++0x TESTS 86 62 512000 1800
59241010 rainboy B Aug. 21, 2019, 7:43 p.m. OK GNU C11 TESTS 86 92 204800 1800
19225663 vjudge2 B July 19, 2016, 6:46 a.m. OK GNU C++11 TESTS 86 30 102400 1800
29937229 pr3pony B Aug. 31, 2017, 7:44 a.m. OK GNU C++11 TESTS 86 30 204800 1800
29857776 Daikon B Aug. 29, 2017, 4:08 a.m. OK GNU C++11 TESTS 86 30 204800 1800
19531224 vjudge3 B July 31, 2016, 5:58 a.m. OK GNU C++11 TESTS 86 30 204800 1800
15587934 vjudge3 B Jan. 26, 2016, 7 a.m. OK GNU C++11 TESTS 86 30 204800 1800
30972416 hank55663 B Oct. 3, 2017, 4:01 p.m. OK GNU C++11 TESTS 86 30 204800 1800
18860925 Majid B July 3, 2016, 12:47 a.m. OK GNU C++11 TESTS 86 30 409600 1800
16395035 ACErupt B Feb. 28, 2016, 12:26 a.m. OK GNU C++11 TESTS 86 30 512000 1800
19607584 vjudge1 B Aug. 4, 2016, 1:56 a.m. OK GNU C++11 TESTS 86 30 512000 1800
15832383 tenshi_kanade B Feb. 5, 2016, 7:43 p.m. OK GNU C++11 TESTS 86 30 1228800 1800
30241060 Shuvro77 B Sept. 10, 2017, 9:02 a.m. OK GNU C++14 TESTS 86 30 102400 1800
29853989 lukomskiy B Aug. 28, 2017, 8:34 p.m. OK GNU C++14 TESTS 86 30 512000 1800
30024072 wangyenjen B Sept. 3, 2017, 4:20 a.m. OK GNU C++14 TESTS 86 30 512000 1800
31388099 danya.smelskiy B Oct. 16, 2017, 10:39 a.m. OK GNU C++14 TESTS 86 30 1945600 1800
22144651 fitsh B Nov. 10, 2016, 8:44 a.m. OK GNU C++14 TESTS 86 30 2048000 1800
29939137 gantheory B Aug. 31, 2017, 9:36 a.m. OK GNU C++14 TESTS 86 30 2048000 1800
29243968 gnaib2803 B Aug. 6, 2017, 2:51 p.m. OK GNU C++14 TESTS 86 30 2150400 1800
29198983 gnaib2803 B Aug. 4, 2017, 4:18 p.m. OK GNU C++14 TESTS 86 30 2150400 1800
29208480 gnaib2803 B Aug. 5, 2017, 3:44 a.m. OK GNU C++14 TESTS 86 30 2252800 1800
29208301 Big_black_jujube B Aug. 5, 2017, 3:32 a.m. OK GNU C++14 TESTS 86 30 2355200 1800
53198220 ZhemeDuoXiju B April 23, 2019, 4:33 p.m. OK GNU C++17 TESTS 86 60 1331200 1800
40075289 ruo B July 8, 2018, 4:24 a.m. OK GNU C++17 TESTS 86 60 1433600 1800
46672876 shefin.cse16 B Dec. 6, 2018, 8 a.m. OK GNU C++17 TESTS 86 60 6758400 1800
47541981 nagpaljatin1411 B Dec. 27, 2018, 7:39 a.m. OK GNU C++17 TESTS 86 60 7577600 1800
56447217 ujjwalr0x B July 2, 2019, 7:29 p.m. OK GNU C++17 TESTS 86 62 102400 1800
51476394 vjudge2 B March 19, 2019, 9:38 a.m. OK GNU C++17 TESTS 86 62 204800 1800
51676718 vjudge1 B March 22, 2019, 10:53 a.m. OK GNU C++17 TESTS 86 62 204800 1800
68680364 Het262 B Jan. 12, 2020, 9:22 p.m. OK GNU C++17 TESTS 86 62 307200 1800
68952477 MKR B Jan. 16, 2020, 6:30 p.m. OK GNU C++17 TESTS 86 62 307200 1800
59826709 Malomalomalomalo B Aug. 31, 2019, 7:53 p.m. OK GNU C++17 TESTS 86 62 307200 1800
536333 bjin B July 8, 2011, 4:50 p.m. OK Haskell TESTS 86 80 7372800 1800
622343 OgieKako B Aug. 20, 2011, 2:10 a.m. OK Java 6 TESTS 86 90 35328000 1800
534243 timmy B July 8, 2011, 3:50 p.m. OK Java 6 TESTS 86 90 43110400 1800
533867 ivan.popelyshev B July 8, 2011, 3:39 p.m. OK Java 6 TESTS 86 90 43417600 1800
539461 Ayisyen B July 9, 2011, 12:58 p.m. OK Java 6 TESTS 86 110 43008000 1800
536926 anhdt B July 8, 2011, 5:40 p.m. OK Java 6 TESTS 86 110 43008000 1800
542515 wistful23 B July 11, 2011, 7:12 p.m. OK Java 6 TESTS 86 110 43212800 1800
539388 anhdt B July 9, 2011, 12:18 p.m. OK Java 6 TESTS 86 110 43212800 1800
544054 S.Yesipenko B July 13, 2011, 8:10 a.m. OK Java 6 TESTS 86 110 43315200 1800
1147936 mostafa_fahim B Feb. 3, 2012, 7:18 p.m. OK Java 6 TESTS 86 110 43315200 1800
537772 segrey B July 8, 2011, 6:59 p.m. OK Java 6 TESTS 86 110 43315200 1800
17597224 bancsy B April 30, 2016, 3:22 p.m. OK Java 7 TESTS 86 248 39424000 1800
17023630 alibaba B March 29, 2016, 5:23 p.m. OK Java 7 TESTS 86 248 47923200 1800
12745392 blueskyliulan B Aug. 29, 2015, 3:19 p.m. OK Java 7 TESTS 86 716 0 1800
33907802 Noureldin B Jan. 4, 2018, 5 p.m. OK Java 8 TESTS 86 218 20684800 1800
60698646 LAKOUAM_IMAD B Sept. 16, 2019, 9:27 p.m. OK Java 8 TESTS 86 248 0 1800
39029843 unicorn20141 B June 7, 2018, 7 p.m. OK Java 8 TESTS 86 248 0 1800
20668516 Ahmad_Elsagheer B Sept. 16, 2016, 8:31 p.m. OK Java 8 TESTS 86 248 0 1800
59241008 Dukkha B Aug. 21, 2019, 7:43 p.m. OK Java 8 TESTS 86 280 0 1800
61280973 Ahmed_Diab B Sept. 25, 2019, 4:57 p.m. OK Java 8 TESTS 86 280 4096000 1800
42499810 KulikAlex B Sept. 5, 2018, 4:22 p.m. OK Java 8 TESTS 86 310 0 1800
57016495 rr_ B July 14, 2019, 11:53 a.m. OK Java 8 TESTS 86 372 0 1800
57016851 rr_ B July 14, 2019, 12:02 p.m. OK Java 8 TESTS 86 404 0 1800
7540279 AlexFetisov B Aug. 21, 2014, 6:02 a.m. OK Java 8 TESTS 86 466 1536000 1800
534780 GopCoder B July 8, 2011, 4:03 p.m. OK Mono C# TESTS 86 130 7168000 1800
535903 Hadi_Asiaie B July 8, 2011, 4:36 p.m. OK Mono C# TESTS 86 130 8499200 1800
564356 Dumbear B July 25, 2011, 1:58 a.m. OK Mono C# TESTS 86 130 8704000 1800
536961 tanzaku B July 8, 2011, 5:41 p.m. OK Mono C# TESTS 86 160 9011200 1800
23879804 DigitalArtistKz B Jan. 16, 2017, 11 a.m. OK MS C# TESTS 86 154 15974400 1800
4000564 sn23581 B July 1, 2013, 5:24 p.m. OK MS C++ TESTS 86 15 102400 1800
2815474 RestlessAnchoret B Dec. 22, 2012, 5:30 p.m. OK MS C++ TESTS 86 15 512000 1800
2070731 DmitriyH B Aug. 31, 2012, 6:06 a.m. OK MS C++ TESTS 86 30 1228800 1800
2070737 DmitriyH B Aug. 31, 2012, 6:11 a.m. OK MS C++ TESTS 86 30 1228800 1800
541096 SkorKNURE B July 10, 2011, 4:54 p.m. OK MS C++ TESTS 86 30 1536000 1800
534017 al13n B July 8, 2011, 3:43 p.m. OK MS C++ TESTS 86 30 1536000 1800
538026 naihuangbao B July 8, 2011, 8:24 p.m. OK MS C++ TESTS 86 30 1536000 1800
575116 Kostroma B Aug. 1, 2011, 4:21 p.m. OK MS C++ TESTS 86 30 1638400 1800
552826 meret B July 21, 2011, 5:36 a.m. OK MS C++ TESTS 86 30 1638400 1800
547746 Sigmar B July 15, 2011, 5:31 p.m. OK MS C++ TESTS 86 30 1638400 1800
61054215 Ry009002 B Sept. 22, 2019, 7:32 a.m. OK MS C++ 2017 TESTS 86 124 3379200 1800
61055435 Ry009002 B Sept. 22, 2019, 7:55 a.m. OK MS C++ 2017 TESTS 86 124 3481600 1800
61055725 Ry009002 B Sept. 22, 2019, 8 a.m. OK MS C++ 2017 TESTS 86 124 3481600 1800
58844956 homoeconomicus B Aug. 15, 2019, 4:42 a.m. OK PyPy 3 TESTS 86 372 6348800 1800
539146 zibada B July 9, 2011, 9:24 a.m. OK Python 2 TESTS 86 60 3174400 1800
538879 fanatid B July 9, 2011, 6:57 a.m. OK Python 2 TESTS 86 60 4198400 1800
610891 july B Aug. 14, 2011, 12:48 p.m. OK Python 2 TESTS 86 90 3174400 1800
15914790 not_bot_but_POT B Feb. 9, 2016, 1:53 p.m. OK Python 2 TESTS 86 154 307200 1800
35898863 ______u______ B March 3, 2018, 6:27 p.m. OK Python 2 TESTS 86 186 4915200 1800
35898797 _____k_____ B March 3, 2018, 6:25 p.m. OK Python 2 TESTS 86 186 4915200 1800
35898514 _____i_____ B March 3, 2018, 6:16 p.m. OK Python 2 TESTS 86 186 4915200 1800
35898471 ______n______ B March 3, 2018, 6:16 p.m. OK Python 2 TESTS 86 186 4915200 1800
35892760 ______h______ B March 3, 2018, 3:33 p.m. OK Python 2 TESTS 86 186 4915200 1800
540790 Olexiy B July 10, 2011, 12:24 p.m. OK Python 2 TESTS 86 190 4812800 1800
67604119 cleaner_leon B Dec. 25, 2019, 12:58 p.m. OK Python 3 TESTS 86 342 1433600 1800
55553522 shilcare B June 14, 2019, 8:38 a.m. OK Python 3 TESTS 86 436 1024000 1800
5293258 frrahat B Nov. 29, 2013, 12:12 p.m. OK Python 3 TESTS 86 780 1536000 1800
28930759 Polyte_Walrus B July 27, 2017, 1:03 p.m. OK Python 3 TESTS 86 840 8908800 1800
42122754 Mk_Python_v1 B Aug. 26, 2018, 1:21 p.m. OK Python 3 TESTS 86 1090 3993600 1800
12774012 binyang B Aug. 30, 2015, 10 a.m. OK Ruby TESTS 86 186 512000 1800
12773887 binyang B Aug. 30, 2015, 9:49 a.m. OK Ruby TESTS 86 218 512000 1800

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