Codeforces Beta Round 34 (Div. 2)

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ContestId
Name
Phase
Frozen
Duration (Seconds)
Relative Time
Start Time
34 Codeforces Beta Round 34 (Div. 2) FINISHED False 7200 489517180 Oct. 11, 2010, 1 p.m.

Problems

Solved
Index
Name
Type
Tags
Community Tag
Rating
( 650 ) E Collisions PROGRAMMING brute force implementation math 2100

On a number line there are n balls. At time moment 0 for each ball the following data is known: its coordinate xi, speed vi (possibly, negative) and weight mi. The radius of the balls can be ignored. The balls collide elastically, i.e. if two balls weighing m1 and m2 and with speeds v1 and v2 collide, their new speeds will be: Your task is to find out, where each ball will be t seconds after. The first line contains two integers n and t (1 ≤ n ≤ 10, 0 ≤ t ≤ 100) -- amount of balls and duration of the process. Then follow n lines, each containing three integers: xi, vi, mi (1 ≤ |vi|, mi ≤ 100, |xi| ≤ 100) -- coordinate, speed and weight of the ball with index i at time moment 0. It is guaranteed that no two balls have the same coordinate initially. Also each collision will be a collision of not more than two balls (that is, three or more balls never collide at the same point in all times from segment [0;t]). Output n numbers -- coordinates of the balls t seconds after. Output the numbers accurate to at least 4 digits after the decimal point.

Tutorials

Codeforces Beta Round #34 (Div. 2) Разбор

Submissions

Submission Id
Author(s)
Index
Submitted
Verdict
Language
Test Set
Tests Passed
Time taken (ms)
Memory Consumed (bytes)
Tags
Rating
4320077 VitalijD E Aug. 21, 2013, 1:12 p.m. OK Delphi TESTS 34 30 102400 2100
242733 valikluks1995 E Jan. 9, 2011, 9:27 a.m. OK Delphi TESTS 34 30 921600 2100
1567855 sillycross E April 18, 2012, 1:50 a.m. OK FPC TESTS 34 30 1024000 2100
640131 MazterQuang E Aug. 27, 2011, 3:10 p.m. OK FPC TESTS 34 30 1024000 2100
1480012 alexej E April 6, 2012, 2:14 p.m. OK FPC TESTS 34 30 1126400 2100
484731 Sereja E June 10, 2011, 8:29 a.m. OK FPC TESTS 34 30 1433600 2100
471747 vlad107 E May 28, 2011, 5:02 p.m. OK FPC TESTS 34 30 5427200 2100
2096942 rown E Sept. 5, 2012, 9:33 a.m. OK GNU C TESTS 34 30 716800 2100
20931179 rainboy E Sept. 26, 2016, 5:40 p.m. OK GNU C TESTS 34 60 0 2100
2090106 TankEngineer E Sept. 2, 2012, 12:18 p.m. OK GNU C++ TESTS 34 10 716800 2100
152636 Magnus E Oct. 21, 2010, 6:51 p.m. OK GNU C++ TESTS 34 10 1331200 2100
4166558 cxlove E July 26, 2013, 2:23 a.m. OK GNU C++ TESTS 34 15 0 2100
4166412 vjudge1 E July 26, 2013, 2:01 a.m. OK GNU C++ TESTS 34 15 0 2100
4166405 uuau99999 E July 26, 2013, 2 a.m. OK GNU C++ TESTS 34 15 0 2100
4164843 uuau99999 E July 25, 2013, 4:02 p.m. OK GNU C++ TESTS 34 15 0 2100
4141169 vjudge1 E July 23, 2013, 1:03 p.m. OK GNU C++ TESTS 34 15 0 2100
4141159 Attitude E July 23, 2013, 1:01 p.m. OK GNU C++ TESTS 34 15 0 2100
4139026 vjudge4 E July 23, 2013, 6:28 a.m. OK GNU C++ TESTS 34 15 0 2100
4138808 vjudge1 E July 23, 2013, 5:04 a.m. OK GNU C++ TESTS 34 15 0 2100
8438135 hakobyan.tigran E Oct. 27, 2014, 5:42 p.m. OK GNU C++0x TESTS 34 30 0 2100
7072901 a654889339 E July 13, 2014, 8:14 a.m. OK GNU C++0x TESTS 34 30 0 2100
5684168 vjudge1 E Jan. 13, 2014, 1:40 p.m. OK GNU C++0x TESTS 34 30 0 2100
9725021 zeyuanxy E Feb. 5, 2015, 8:51 a.m. OK GNU C++0x TESTS 34 60 0 2100
9942638 I_love_Hoang_Yen E Feb. 20, 2015, 9:07 p.m. OK GNU C++0x TESTS 34 62 0 2100
27820896 plokmijn E June 16, 2017, 8:54 a.m. OK GNU C++11 TESTS 34 30 0 2100
18664632 Grzegorz E June 23, 2016, 1:39 p.m. OK GNU C++11 TESTS 34 30 0 2100
16141086 tenshi_kanade E Feb. 18, 2016, 12:24 p.m. OK GNU C++11 TESTS 34 30 0 2100
15412944 VastoLorde95 E Jan. 17, 2016, 9:55 a.m. OK GNU C++11 TESTS 34 30 0 2100
15399483 Y-MP E Jan. 16, 2016, 7:32 a.m. OK GNU C++11 TESTS 34 30 0 2100
15338631 Irkutsk_ISRU E Jan. 14, 2016, 1:12 a.m. OK GNU C++11 TESTS 34 30 0 2100
14178720 vjudge4 E Nov. 9, 2015, 11:53 p.m. OK GNU C++11 TESTS 34 30 0 2100
14178707 Matrix.code E Nov. 9, 2015, 11:49 p.m. OK GNU C++11 TESTS 34 30 0 2100
14141678 sazerterus25 E Nov. 8, 2015, 1:41 p.m. OK GNU C++11 TESTS 34 30 0 2100
13203529 1403mashaonan E Sept. 24, 2015, 11:58 a.m. OK GNU C++11 TESTS 34 30 0 2100
48696504 pikmike E Jan. 21, 2019, 10:11 p.m. OK GNU C++14 TESTS 34 30 102400 2100
27707911 Amerisma E June 10, 2017, 2:25 p.m. OK GNU C++14 TESTS 34 30 102400 2100
21619280 reku E Oct. 20, 2016, 1:44 p.m. OK GNU C++14 TESTS 34 30 102400 2100
21014289 kvk1920 E Sept. 30, 2016, 12:48 p.m. OK GNU C++14 TESTS 34 30 102400 2100
55511217 kataki E June 12, 2019, 10:55 p.m. OK GNU C++14 TESTS 34 30 204800 2100
31975073 4-II E Nov. 2, 2017, 10:18 a.m. OK GNU C++14 TESTS 34 30 204800 2100
31919832 blue__legend E Oct. 31, 2017, 11:50 a.m. OK GNU C++14 TESTS 34 30 204800 2100
31825448 obuzzz E Oct. 28, 2017, 5:46 a.m. OK GNU C++14 TESTS 34 30 204800 2100
29865122 AakashHanda E Aug. 29, 2017, noon OK GNU C++14 TESTS 34 30 204800 2100
29511929 vjudge3 E Aug. 16, 2017, 6:38 p.m. OK GNU C++14 TESTS 34 30 204800 2100
44915683 Arrias E Oct. 26, 2018, 3:24 p.m. OK GNU C++17 TESTS 34 60 102400 2100
43448527 majk E Sept. 26, 2018, 12:25 p.m. OK GNU C++17 TESTS 34 60 409600 2100
67510929 RNS_CUS E Dec. 24, 2019, 9:07 a.m. OK GNU C++17 TESTS 34 62 0 2100
66083599 ayk16 E Dec. 1, 2019, 2:40 a.m. OK GNU C++17 TESTS 34 62 0 2100
52345113 kenimo E April 5, 2019, 12:21 p.m. OK GNU C++17 TESTS 34 62 0 2100
50070603 tnakao E Feb. 17, 2019, 5:29 p.m. OK GNU C++17 TESTS 34 62 0 2100
41004944 cai_lw E July 31, 2018, 9:10 a.m. OK GNU C++17 TESTS 34 62 0 2100
55048248 tap_tapii E June 3, 2019, 3:55 p.m. OK GNU C++17 TESTS 34 62 102400 2100
51775947 Martin53 E March 23, 2019, 9:45 p.m. OK GNU C++17 TESTS 34 62 102400 2100
51602059 roll_no_1 E March 21, 2019, 4:48 a.m. OK GNU C++17 TESTS 34 62 102400 2100
33859993 mjhun E Jan. 2, 2018, 8:19 a.m. OK GNU C++17 Diagnostics TESTS 34 1996 103526400 2100
152235 route150 E Oct. 15, 2010, 4:58 p.m. OK Haskell TESTS 34 30 2048000 2100
152166 KTR E Oct. 15, 2010, 12:32 p.m. OK Haskell TESTS 34 30 2048000 2100
152048 yaro E Oct. 14, 2010, 1:27 p.m. OK Java 6 TESTS 34 80 43315200 2100
498236 Sammarize E June 19, 2011, 10:44 p.m. OK Java 6 TESTS 34 90 43008000 2100
152372 dbieber E Oct. 16, 2010, 8:18 p.m. OK Java 6 TESTS 34 90 43315200 2100
152292 master_j E Oct. 16, 2010, 6:45 a.m. OK Java 6 TESTS 34 90 43315200 2100
3163939 chopik E Feb. 20, 2013, 8:55 p.m. OK Java 6 TESTS 34 109 102400 2100
2903892 hama-du E Jan. 11, 2013, 4:07 a.m. OK Java 6 TESTS 34 109 2252800 2100
1151388 kmatsunaga E Feb. 5, 2012, 2:42 p.m. OK Java 6 TESTS 34 110 43212800 2100
1592800 todo E April 21, 2012, 8:13 a.m. OK Java 6 TESTS 34 110 43315200 2100
152761 I_love_Malika E Oct. 25, 2010, 12:56 p.m. OK Java 6 TESTS 34 110 43315200 2100
951436 userlond E Dec. 11, 2011, 10:57 a.m. OK Java 6 TESTS 34 130 43008000 2100
5497129 Zyflair E Dec. 23, 2013, 1:24 p.m. OK Java 7 TESTS 34 156 0 2100
55305386 mennafadali E June 8, 2019, 2:07 p.m. OK Java 8 TESTS 34 218 0 2100
27680083 Kammola E June 8, 2017, 11:43 p.m. OK Java 8 TESTS 34 218 0 2100
25328423 pitfall E March 7, 2017, 7:29 p.m. OK Java 8 TESTS 34 218 20582400 2100
23343110 Killer45 E Dec. 26, 2016, 3:22 p.m. OK Java 8 TESTS 34 218 20582400 2100
67313387 I_love_Harpae E Dec. 21, 2019, 4:36 a.m. OK Java 8 TESTS 34 248 0 2100
67313350 dududumALT E Dec. 21, 2019, 4:34 a.m. OK Java 8 TESTS 34 248 0 2100
55305415 mennafadali E June 8, 2019, 2:08 p.m. OK Java 8 TESTS 34 248 0 2100
27710368 Imaginary E June 10, 2017, 7:34 p.m. OK Java 8 TESTS 34 248 0 2100
27708601 MostafaAbdullah E June 10, 2017, 3:18 p.m. OK Java 8 TESTS 34 248 0 2100
20762351 Ahmad_Elsagheer E Sept. 19, 2016, 6:05 p.m. OK Java 8 TESTS 34 248 0 2100
47351872 moss3s E Dec. 22, 2018, 3:34 a.m. OK Kotlin TESTS 34 310 1126400 2100
4138835 vjudge5 E July 23, 2013, 5:14 a.m. OK MS C++ TESTS 34 15 0 2100
4138832 Super_Sword E July 23, 2013, 5:13 a.m. OK MS C++ TESTS 34 15 0 2100
4136098 vjudge4 E July 22, 2013, 2:09 p.m. OK MS C++ TESTS 34 15 0 2100
4135930 vjudge1 E July 22, 2013, 1:38 p.m. OK MS C++ TESTS 34 15 0 2100
3404825 gotoac E March 25, 2013, 3:03 p.m. OK MS C++ TESTS 34 15 0 2100
3404817 vjudge5 E March 25, 2013, 3:01 p.m. OK MS C++ TESTS 34 15 0 2100
3404779 vjudge1 E March 25, 2013, 2:53 p.m. OK MS C++ TESTS 34 15 0 2100
3403661 vjudge5 E March 25, 2013, 11:32 a.m. OK MS C++ TESTS 34 15 0 2100
6297373 Kazim E April 7, 2014, 7:39 p.m. OK MS C++ TESTS 34 30 0 2100
6297368 Kazim E April 7, 2014, 7:38 p.m. OK MS C++ TESTS 34 30 0 2100
67181826 Prokopiy E Dec. 19, 2019, 12:20 a.m. OK MS C++ 2017 TESTS 34 62 409600 2100
14690641 _majid E Dec. 7, 2015, 7:08 p.m. OK Python 2 TESTS 34 124 409600 2100
6118456 lemur E March 22, 2014, 7:35 p.m. OK Python 3 TESTS 34 248 0 2100
19867420 ditsing E Aug. 14, 2016, 11:27 a.m. OK Ruby TESTS 34 124 6451200 2100
19885816 Hankai E Aug. 15, 2016, 10:39 a.m. OK Ruby TESTS 34 156 6451200 2100

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