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ContestId |
Name |
Phase |
Frozen |
Duration (Seconds) |
Relative Time |
Start Time |
|---|---|---|---|---|---|---|
| 123 | Codeforces Beta Round 92 (Div. 1 Only) | FINISHED | False | 7200 | 456158985 | Nov. 3, 2011, 3:10 p.m. |
Solved |
Index |
Name |
Type |
Tags |
Community Tag |
Rating |
|---|---|---|---|---|---|---|
| ( 720 ) | C | Brackets | PROGRAMMING | combinatorics dp greedy | 2300 |
A two dimensional array is called a bracket array if each grid contains one of the two possible brackets — "(" or ")". A path through the two dimensional array cells is called monotonous if any two consecutive cells in the path are side-adjacent and each cell of the path is located below or to the right from the previous one. A two dimensional array whose size equals n × m is called a correct bracket array, if any string formed by writing out the brackets on some monotonous way from cell (1, 1) to cell ( n , m ) forms a correct bracket sequence. Let's define the operation of comparing two correct bracket arrays of equal size ( a and b ) like that. Let's consider a given two dimensional array of priorities ( c ) — a two dimensional array of same size, containing different integers from 1 to nm . Let's find such position ( i , j ) in the two dimensional array, that a i , j ≠ b i , j . If there are several such positions, let's choose the one where number c i , j is minimum. If a i , j = "(", then a < b , otherwise a > b . If the position ( i , j ) is not found, then the arrays are considered equal. Your task is to find a k -th two dimensional correct bracket array. It is guaranteed that for the given sizes of n and m there will be no less than k two dimensional correct bracket arrays. The first line contains integers n , m and k — the sizes of the array and the number of the sought correct bracket array ( 1 ≤ n , m ≤ 100 , 1 ≤ k ≤ 10 18 ). Then an array of priorities is given, n lines each containing m numbers, number p i , j shows the priority of character j in line i ( 1 ≤ p i , j ≤ nm , all p i , j are different). Please do not use the %lld specificator to read or write 64-bit integers in С++. It is preferred to use the cin, cout streams or the %I64d specificator. Print the k -th two dimensional correct bracket array. In the first sample exists only one correct two-dimensional bracket array. In the second and in the third samples two arrays exist. A brack |
| Codeforces Beta Round #92 - Analysis |
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 833524 | Shapo | C | Nov. 4, 2011, 4:18 a.m. | OK | Delphi | TESTS | 50 | 50 | 1126400 | 2300 | |
| 830487 | tourist | C | Nov. 3, 2011, 4:16 p.m. | OK | Delphi | TESTS | 50 | 50 | 1228800 | 2300 | |
| 832953 | PanZverski | C | Nov. 3, 2011, 8:42 p.m. | OK | Delphi | TESTS | 50 | 80 | 819200 | 2300 | |
| 834433 | azaky | C | Nov. 4, 2011, 12:21 p.m. | OK | FPC | TESTS | 50 | 50 | 1228800 | 2300 | |
| 887801 | coolinging | C | Nov. 23, 2011, 2:25 p.m. | OK | FPC | TESTS | 50 | 60 | 1228800 | 2300 | |
| 831250 | Sereja | C | Nov. 3, 2011, 4:41 p.m. | OK | FPC | TESTS | 50 | 60 | 18022400 | 2300 | |
| 1129979 | zanoes | C | Feb. 1, 2012, 8:02 a.m. | OK | FPC | TESTS | 50 | 80 | 1740800 | 2300 | |
| 994589 | giongto35 | C | Jan. 2, 2012, 7:57 a.m. | OK | FPC | TESTS | 50 | 80 | 1740800 | 2300 | |
| 831718 | superpear | C | Nov. 3, 2011, 4:58 p.m. | OK | FPC | TESTS | 50 | 140 | 3072000 | 2300 | |
| 1173781 | vlad107 | C | Feb. 12, 2012, 9:33 a.m. | OK | FPC | TESTS | 50 | 280 | 10035200 | 2300 | |
| 1125999 | mage | C | Jan. 29, 2012, 6:59 p.m. | OK | GNU C | TESTS | 50 | 50 | 2048000 | 2300 | |
| 830227 | eduardische | C | Nov. 3, 2011, 4:08 p.m. | OK | GNU C | TESTS | 50 | 50 | 2048000 | 2300 | |
| 833204 | LayCurse | C | Nov. 4, 2011, 12:18 a.m. | OK | GNU C | TESTS | 50 | 60 | 2150400 | 2300 | |
| 15231529 | jiangshibiao | C | Jan. 8, 2016, 2:35 a.m. | OK | GNU C++ | TESTS | 50 | 30 | 204800 | 2300 | |
| 5680641 | architkarandikar | C | Jan. 13, 2014, 6:45 a.m. | OK | GNU C++ | TESTS | 50 | 30 | 409600 | 2300 | |
| 15545481 | vjudge5 | C | Jan. 24, 2016, 2:34 a.m. | OK | GNU C++ | TESTS | 50 | 30 | 512000 | 2300 | |
| 15545473 | hnuRoshan | C | Jan. 24, 2016, 2:33 a.m. | OK | GNU C++ | TESTS | 50 | 30 | 512000 | 2300 | |
| 1307717 | tmt514 | C | March 7, 2012, 7:08 a.m. | OK | GNU C++ | TESTS | 50 | 30 | 1536000 | 2300 | |
| 841914 | Commandos | C | Nov. 8, 2011, 5:21 p.m. | OK | GNU C++ | TESTS | 50 | 30 | 1536000 | 2300 | |
| 841774 | Commandos | C | Nov. 8, 2011, 4:21 p.m. | OK | GNU C++ | TESTS | 50 | 30 | 1536000 | 2300 | |
| 1146710 | vjudge2 | C | Feb. 3, 2012, 12:08 p.m. | OK | GNU C++ | TESTS | 50 | 30 | 1740800 | 2300 | |
| 1651217 | seen | C | May 3, 2012, 4:29 p.m. | OK | GNU C++ | TESTS | 50 | 30 | 1740800 | 2300 | |
| 1479963 | tec | C | April 6, 2012, 1:51 p.m. | OK | GNU C++ | TESTS | 50 | 30 | 1740800 | 2300 | |
| 989886 | Archon.JK | C | Dec. 28, 2011, 4:10 p.m. | OK | GNU C++0x | TESTS | 50 | 30 | 1740800 | 2300 | |
| 1155343 | watashi | C | Feb. 7, 2012, 9:22 a.m. | OK | GNU C++0x | TESTS | 50 | 50 | 1740800 | 2300 | |
| 989880 | Archon.JK | C | Dec. 28, 2011, 4:01 p.m. | OK | GNU C++0x | TESTS | 50 | 50 | 1740800 | 2300 | |
| 833492 | siuvit | C | Nov. 4, 2011, 3:56 a.m. | OK | GNU C++0x | TESTS | 50 | 50 | 2355200 | 2300 | |
| 7346488 | wanbo | C | Aug. 4, 2014, 4:16 p.m. | OK | GNU C++0x | TESTS | 50 | 60 | 1024000 | 2300 | |
| 4504219 | yutaka1999 | C | Sept. 19, 2013, 2:41 p.m. | OK | GNU C++0x | TESTS | 50 | 62 | 0 | 2300 | |
| 9019424 | JayYe | C | Dec. 8, 2014, 2:29 p.m. | OK | GNU C++0x | TESTS | 50 | 62 | 409600 | 2300 | |
| 7346474 | wanbo | C | Aug. 4, 2014, 4:14 p.m. | OK | GNU C++0x | TESTS | 50 | 62 | 1024000 | 2300 | |
| 9373288 | sdya | C | Jan. 6, 2015, 2:30 p.m. | OK | GNU C++0x | TESTS | 50 | 62 | 1331200 | 2300 | |
| 8509688 | M.Mahdi | C | Nov. 1, 2014, 8:11 a.m. | OK | GNU C++0x | TESTS | 50 | 62 | 2662400 | 2300 | |
| 60685155 | rainboy | C | Sept. 16, 2019, 3:09 p.m. | OK | GNU C11 | TESTS | 50 | 92 | 0 | 2300 | |
| 18286815 | lungly1 | C | June 7, 2016, 3:59 p.m. | OK | GNU C++11 | TESTS | 50 | 30 | 2560000 | 2300 | |
| 20678427 | BayHarborButcher | C | Sept. 17, 2016, 9:57 a.m. | OK | GNU C++11 | TESTS | 50 | 60 | 716800 | 2300 | |
| 15204189 | Altria-PenDragon | C | Jan. 6, 2016, 1:05 p.m. | OK | GNU C++11 | TESTS | 50 | 60 | 2662400 | 2300 | |
| 17074678 | eddy1021 | C | March 31, 2016, 1:26 p.m. | OK | GNU C++11 | TESTS | 50 | 60 | 2662400 | 2300 | |
| 16936512 | bill_kondo | C | March 25, 2016, 6:10 p.m. | OK | GNU C++11 | TESTS | 50 | 60 | 4710400 | 2300 | |
| 68237687 | code_cola | C | Jan. 5, 2020, 11:36 a.m. | OK | GNU C++11 | TESTS | 50 | 62 | 0 | 2300 | |
| 55519910 | vjudge5 | C | June 13, 2019, 7:54 a.m. | OK | GNU C++11 | TESTS | 50 | 62 | 204800 | 2300 | |
| 55519874 | huangzhen | C | June 13, 2019, 7:52 a.m. | OK | GNU C++11 | TESTS | 50 | 62 | 204800 | 2300 | |
| 48925191 | Sherek | C | Jan. 25, 2019, 10:01 a.m. | OK | GNU C++11 | TESTS | 50 | 62 | 307200 | 2300 | |
| 55995449 | Amoo_Safar | C | June 24, 2019, 10:07 a.m. | OK | GNU C++11 | TESTS | 50 | 62 | 409600 | 2300 | |
| 29122696 | MhdMohammadi | C | Aug. 2, 2017, 8:18 a.m. | OK | GNU C++14 | TESTS | 50 | 30 | 2252800 | 2300 | |
| 31846083 | danya.smelskiy | C | Oct. 28, 2017, 5:23 p.m. | OK | GNU C++14 | TESTS | 50 | 30 | 2867200 | 2300 | |
| 35959820 | m.r.m | C | March 5, 2018, 8:50 a.m. | OK | GNU C++14 | TESTS | 50 | 30 | 10240000 | 2300 | |
| 34588693 | Soroosh | C | Jan. 26, 2018, 9:33 p.m. | OK | GNU C++14 | TESTS | 50 | 30 | 66764800 | 2300 | |
| 62029584 | hugcc | C | Oct. 6, 2019, 10:50 p.m. | OK | GNU C++14 | TESTS | 50 | 60 | 307200 | 2300 | |
| 32344187 | Flash-boy | C | Nov. 16, 2017, 1:29 a.m. | OK | GNU C++14 | TESTS | 50 | 60 | 307200 | 2300 | |
| 28006304 | erfan._.m | C | June 24, 2017, 1:42 p.m. | OK | GNU C++14 | TESTS | 50 | 60 | 4096000 | 2300 | |
| 35959642 | m.r.m | C | March 5, 2018, 8:42 a.m. | OK | GNU C++14 | TESTS | 50 | 60 | 10240000 | 2300 | |
| 34174606 | m.r.m | C | Jan. 14, 2018, 12:29 p.m. | OK | GNU C++14 | TESTS | 50 | 60 | 18329600 | 2300 | |
| 56007552 | BamiTorabi | C | June 24, 2019, 4:21 p.m. | OK | GNU C++14 | TESTS | 50 | 62 | 307200 | 2300 | |
| 46697840 | Savaw | C | Dec. 6, 2018, 9:29 p.m. | OK | GNU C++17 | TESTS | 50 | 30 | 819200 | 2300 | |
| 46672094 | Tzuyu | C | Dec. 6, 2018, 7:26 a.m. | OK | GNU C++17 | TESTS | 50 | 30 | 819200 | 2300 | |
| 39989989 | LiChenKoh | C | July 5, 2018, 4:26 p.m. | OK | GNU C++17 | TESTS | 50 | 62 | 204800 | 2300 | |
| 55995122 | AliShahali1382 | C | June 24, 2019, 9:55 a.m. | OK | GNU C++17 | TESTS | 50 | 62 | 204800 | 2300 | |
| 59237340 | Mohammad_Amin | C | Aug. 21, 2019, 6 p.m. | OK | GNU C++17 | TESTS | 50 | 62 | 307200 | 2300 | |
| 55995119 | AliShahali1382 | C | June 24, 2019, 9:55 a.m. | OK | GNU C++17 | TESTS | 50 | 62 | 307200 | 2300 | |
| 51887337 | BinaryBoy | C | March 27, 2019, 7:09 a.m. | OK | GNU C++17 | TESTS | 50 | 62 | 409600 | 2300 | |
| 41416632 | ruo | C | Aug. 10, 2018, 3:30 a.m. | OK | GNU C++17 | TESTS | 50 | 62 | 409600 | 2300 | |
| 53669209 | Hiasat | C | May 2, 2019, 12:17 p.m. | OK | GNU C++17 | TESTS | 50 | 62 | 512000 | 2300 | |
| 45844230 | Pakalns | C | Nov. 16, 2018, 6:49 p.m. | OK | GNU C++17 | TESTS | 50 | 62 | 614400 | 2300 | |
| 2927414 | uwi | C | Jan. 15, 2013, 3:22 p.m. | OK | Java 6 | TESTS | 50 | 125 | 2252800 | 2300 | |
| 912956 | zhymaoiing | C | Dec. 1, 2011, 1:24 p.m. | OK | Java 6 | TESTS | 50 | 160 | 35328000 | 2300 | |
| 912958 | zhymaoiing | C | Dec. 1, 2011, 1:25 p.m. | OK | Java 6 | TESTS | 50 | 160 | 35430400 | 2300 | |
| 855619 | ika | C | Nov. 3, 2011, 4:42 p.m. | OK | Java 6 | TESTS | 50 | 170 | 35532800 | 2300 | |
| 833799 | unicef | C | Nov. 4, 2011, 6:42 a.m. | OK | Java 6 | TESTS | 50 | 170 | 43417600 | 2300 | |
| 912950 | zhymaoiing | C | Dec. 1, 2011, 1:20 p.m. | OK | Java 6 | TESTS | 50 | 190 | 35328000 | 2300 | |
| 831740 | OgieKako | C | Nov. 3, 2011, 4:59 p.m. | OK | Java 6 | TESTS | 50 | 190 | 43008000 | 2300 | |
| 832882 | khanhptnk | C | Nov. 3, 2011, 8:08 p.m. | OK | Java 6 | TESTS | 50 | 190 | 43110400 | 2300 | |
| 830767 | Petr | C | Nov. 3, 2011, 4:25 p.m. | OK | Java 6 | TESTS | 50 | 190 | 43110400 | 2300 | |
| 861687 | sayuan | C | Nov. 13, 2011, 12:01 p.m. | OK | Java 6 | TESTS | 50 | 190 | 43212800 | 2300 | |
| 5623804 | yarrr | C | Jan. 5, 2014, 6:52 p.m. | OK | Java 7 | TESTS | 50 | 218 | 0 | 2300 | |
| 11327833 | hama-du | C | May 28, 2015, 3:18 a.m. | OK | Java 8 | TESTS | 50 | 280 | 0 | 2300 | |
| 10532582 | A.Elahi | C | March 31, 2015, 11:29 a.m. | OK | Java 8 | TESTS | 50 | 312 | 0 | 2300 | |
| 60685154 | Dukkha | C | Sept. 16, 2019, 3:09 p.m. | OK | Java 8 | TESTS | 50 | 374 | 0 | 2300 | |
| 9213106 | AlexFetisov | C | Dec. 21, 2014, 6:53 a.m. | OK | Java 8 | TESTS | 50 | 374 | 0 | 2300 | |
| 837134 | Monyura | C | Nov. 5, 2011, 9:02 p.m. | OK | MS C++ | TESTS | 50 | 50 | 1433600 | 2300 | |
| 832355 | olpetOdessaONU | C | Nov. 3, 2011, 6:28 p.m. | OK | MS C++ | TESTS | 50 | 50 | 1638400 | 2300 | |
| 840163 | NuM | C | Nov. 7, 2011, 6:38 p.m. | OK | MS C++ | TESTS | 50 | 50 | 1740800 | 2300 | |
| 833681 | vitar | C | Nov. 4, 2011, 5:42 a.m. | OK | MS C++ | TESTS | 50 | 50 | 1740800 | 2300 | |
| 832994 | Borisp | C | Nov. 3, 2011, 9:20 p.m. | OK | MS C++ | TESTS | 50 | 50 | 1843200 | 2300 | |
| 833892 | Lepetrandr | C | Nov. 4, 2011, 7:32 a.m. | OK | MS C++ | TESTS | 50 | 50 | 1945600 | 2300 | |
| 833690 | Hohol | C | Nov. 4, 2011, 5:47 a.m. | OK | MS C++ | TESTS | 50 | 50 | 1945600 | 2300 | |
| 833914 | Ferlon | C | Nov. 4, 2011, 7:53 a.m. | OK | MS C++ | TESTS | 50 | 50 | 2662400 | 2300 | |
| 889803 | Sigmar | C | Nov. 24, 2011, 4:58 p.m. | OK | MS C++ | TESTS | 50 | 60 | 1740800 | 2300 | |
| 836253 | Connector | C | Nov. 3, 2011, 4:25 p.m. | OK | MS C++ | TESTS | 50 | 60 | 1740800 | 2300 |
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