6TH ． 2022

Date
13th August, 2022 (Saturday)
Time
13:00 - 17:00 (Reporting time: 12:00)
Venue
LG2 School Hall, La Salle College
18 La Salle Road, Kowloon

Results

Champion: Pui Ching Middle School / Wong Justin Matthew / Wong Chun / Yeung Shing Hei Angus

Gold

  • Wah Yan College, Kowloon / Cheung Hui Yat / Tam Yi Lam / Yee Cheuk Yin
  • Diocesan Boys' School / Chan Pak Hei / Lee Po Wa / Wang Chi Ho
  • Diocesan Girls' School / Ip Tsz Oi / Ng Hey / Ching Helen

Silver (6 tasks or above)

  • Tsuen Wan Government Secondary School / Hsieh Chong Ho / Fok Wai Chung / Chan Pak Hank
  • Ying Wa Girls' School / Wong Tsz Ching / Lam Sum Ching / Leung Ting Yu
  • Sing Yin Secondary School / Chau Lai Yin / Cheung Yik Fung / Chan Ho Yin
  • Yan Oi Tong Tin Ka Ping Secondary School / Chan Tak Hong / Liang Sze Yuen / Au Tsz Kin
  • HKTA Tang Hin Memorial Secondary School / Yeung Sin Chun / Wong Lok Hei / Tai Cheuk Him

Bronze (4 tasks or above)

  • La Salle College / Chau Chun Hei / Cheung Chun Lok / Mak Chi Hin Bryan

Distinction (6 tasks or above)

  • Diocesan Boys' School / Ng Tsz Yeung / Pau Cheuk Fu Ian / Tang Pok Man
  • La Salle College / Kwong Yat Him / Lai Hong Tung Honrich / Lam Lap Yu
  • Pui Ching Middle School / Wong Man Lai Angus / Lam Tsz Hin / Lee King Sang Carey
  • Diocesan Boys' School / Liu Zi Yu / Lo Cheuk Yi Ryan / Ng Sheung Yin
  • Pui Ching Middle School / Wong Ho Yan / Mak Lai Him Benjamin / Chong Hok Hang Michael
  • Tsuen Wan Government Secondary School / Wong Sheung Chit / Ng Pui Hei / Tsang Tsz Hong
  • Wah Yan College, Kowloon / Ng Shing Hin / Ting Siu Lam / So Tsz Yan

Merit (4 tasks or above)

  • Wah Yan College, Kowloon / Siu Lok Yin / Ho Chun Ho / Chau Ching Hin
  • Diocesan Girls' School / Chan Tsz Ching / Tse Yan Wing Alvina / Ho Nga Chi
  • Sing Yin Secondary School / Chan Yin Ming / Chan Ngo Wang / Siu Tsz Hin Eric
  • La Salle College / Hui Sze Man / Wong Wang Ngai
  • Diocesan Boys' School / Leung Hong Shing / Shiu Yu Hin Bernard / Wong Tsz Ho
  • Pui Ching Middle School / Lung Sui Hei Enson / Lung Cheuk Lam / Cheng On Ting
  • Pui Ching Middle School / Zhen Zihao / Wong Chun Hei / Leung Ka Long

Tasks

Solution

Photos

Rank Team (hover to see names) AC Pen A
26 / 47 / 129 		B
2 / 10 / 25 		C
17 / 21 / 52 		D
8 / 15 / 52 		E
23 / 32 / 96 		F
2 / 14 / 47 		G
14 / 23 / 63 		H
2 / 5 / 8 		I
25 / 35 / 94 		J
3 / 5 / 8 		K
34 / 46 / 198 		L
18 / 32 / 66
1 (G) 21 Better than better than nothing 11 1170 27 0:07 / -1 -1 80 1:20 142 2:02 / -1 21 0:21 254 2:34 / -5 148 1:48 / -2 204 3:24 57 0:37 / -1 134 2:14 16 0:16 87 1:27
2 (G) 24 必要的沉默 10 1124 61 0:21 / -2 102 1:22 / -1 202 2:42 / -3 13 0:13 95 0:55 / -2 137 2:17 290 3:50 / -3 81 1:01 / -1 -4 26 0:06 / -1 117 1:57
3 (G) 12 batswana potato pride 9 604 21 0:21 65 1:05 153 1:33 / -3 16 0:16 -18 75 1:15 27 0:27 129 2:09 59 0:39 / -1 59 0:59
4 (G) 13 Meow 8 583 21 0:21 141 2:01 / -1 177 2:17 / -2 33 0:33 -3 90 1:30 -1 42 0:42 13 0:13 66 1:06
5 (D) 32 we come and revise 12 passages 8 1186 88 1:08 / -1 -1 335 3:55 / -5 162 1:42 / -3 135 2:15 -1 175 2:55 -1 119 1:59 -1 59 0:19 / -2 113 1:33 / -1
6 (S) 23 certainty of uncertainty 7 1020 70 0:30 / -2 203 3:23 -4 247 3:47 / -1 6 0:06 -3 -12 76 0:36 / -2 318 3:38 / -5 100 1:40
7 (D) 91 bread cute uwu 7 1151 128 1:28 / -2 164 2:44 -4 117 1:17 / -2 336 3:56 / -5 82 1:22 88 0:48 / -2 236 3:16 / -2
8 (S) 26 YWGS1 7 1248 148 1:48 / -2 201 3:21 223 1:43 / -6 -1 133 2:13 184 2:44 / -1 144 1:04 / -4 215 3:35
9 (D) 42 Fry ICT Gang 7 1270 37 0:37 285 2:25 / -7 307 3:47 / -4 225 3:05 / -2 147 1:47 / -2 -1 90 0:30 / -3 179 2:39 / -1
10 (S) 22 勿丸麻辣十小熱0水 6 687 29 0:29 226 3:06 / -2 -3 127 1:07 / -3 87 1:27 34 0:14 / -1 184 2:44 / -1
11 (D) 52 we can't think of a team name 6 792 52 0:52 -1 -1 191 2:51 / -1 137 1:37 / -2 -1 -1 136 1:56 / -1 44 0:24 / -1 232 3:12 / -2
12 (D) 61 Bilingual 6 850 98 0:58 / -2 -2 273 3:13 / -4 -1 -2 51 0:51 276 3:36 / -3 37 0:17 / -1 115 1:55
13 (D) 84 omanmoli 6 895 100 1:00 / -2 167 2:27 / -1 302 3:22 / -5 112 1:32 / -1 -1 21 0:21 193 3:13
14 (D) 74 最後選擇了沉默 6 925 24 0:24 277 2:57 / -5 -1 209 3:09 / -1 231 3:51 76 1:16 108 0:28 / -4
15 (S) 25 傳銷團隊 6 1041 164 1:44 / -3 226 3:46 157 2:17 / -1 -1 49 0:49 256 1:56 / -7 189 2:29 / -2
16 (S) 14 A is for Accepted 6 1302 129 2:09 164 2:44 367 3:27 / -8 399 3:59 / -8 23 0:23 220 3:20 / -1
17 (B) 16 C 道之不傳也久矣 5 411 70 0:50 / -1 -3 36 0:36 -6 105 1:45 51 0:31 / -1 149 2:29
18 (M) 62 當時我想要力陳己見 5 495 34 0:14 / -1 -4 -4 116 1:16 / -2 127 1:47 / -1 61 0:41 / -1 157 2:37
19 (M) 35 Meoww 5 652 91 0:51 / -2 251 3:51 / -1 -5 147 1:47 / -2 -1 117 1:37 / -1 46 0:26 / -1
20 (M) 41 I go to school by hyperloop 5 754 107 1:07 / -2 200 2:40 / -2 72 0:52 / -1 222 2:02 / -5 153 1:13 / -4 -9
21 (M) 34 N/A 5 880 251 2:51 / -4 175 1:35 / -4 57 0:57 -3 147 2:27 250 3:30 / -2
22 (M) 72 末席陪跑員 5 1135 85 0:45 / -2 -1 246 3:26 / -2 201 3:01 / -1 400 3:20 / -10 203 2:03 / -4
23 (M) 53 Anya loves programming 4 561 129 1:49 / -1 -3 150 2:30 -8 158 2:38 124 1:04 / -3 -2
24 (M) 93 Just For Fun Maika (4 Years After Ver.) 4 689 -3 116 1:56 127 1:47 / -1 215 3:35 231 1:11 / -8
25 (-) 11 Player 1 3 514 -3 212 3:12 / -1 -4 220 3:40 82 0:42 / -2 -1
26 (-) 46 I have not idea 3 570 282 3:42 / -3 -2 155 2:35 133 2:13 -1
27 (-) 75 Meowww 2 230 -9 -1 83 1:03 / -1 147 1:47 / -2 -2
28 (-) 36 any ideas ? 2 271 180 1:40 / -4 -9 -4 -4 91 0:31 / -3
29 (-) 51 Team MAC 2 304 113 1:53 -1 191 1:11 / -6
30 (-) 33 YWGS2 1 32 -2 -1 -1 32 0:32
31 (-) 92 我認為沉默是必要的 1 71 -4 -2 -3 71 0:51 / -1
32 (-) 73 fat n tall 1 75 -4 -1 -9 75 0:55 / -1
33 (-) 83 easier said than run 1 160 -4 -1 -3 160 1:40 / -3 -1
34 (-) 44 仁田中分隊01 1 208 -1 -1 208 2:48 / -2 -5 -2
35 (-) 45 今天發生了一件事 1 269 -6 -2 269 3:09 / -4 -14
36 (-) 43 El As Seeee 1 361 -2 361 3:41 / -7 -1
37 (-) 71 I go to school by SpaceX 1 499 -3 -2 499 3:39 / -14
-- 15 TeamXE 0 0 -6 -5 -1 -3
-- 31 hmm lemme think think 0 0 -5 -7 -1
-- 55 YWGS3 0 0 -1 -4 -1
-- 56 We are the best 0 0 -1 -13
-- 63 下定決心 無限 WA 都不覺荒涼 0 0 -1
-- 64 YWGS4 0 0 -7
-- 65 啊對對隊 0 0 -3 -2 -3 -7 -1
-- 66 我地唔ok 0 0 -2 -2
-- 76 若我貌似精神 裝作沒爆 mem 與你歡笑 0 0 -4 -3 -5
-- 81 YWGS5 0 0 -1 -12
-- 82 yts03 0 0 -2 -2 -2 -5
-- 85 YWGS6 0 0 -1 -4
-- 86 UMG 0 0 -2 -3 -8 -1

Latest News

  • List of participating schools:
    SchoolOfficialSub-team# Students
    CCC Ming Yin College102
    Diocesan Boys' School1311
    Diocesan Girls' School129
    HKTA Tang Hin Memorial Secondary School103
    Ho Lap College102
    La Salle College1826
    Pui Ching Middle School1930
    Sing Yin Secondary School1414
    Tsuen Wan Government Secondary School116
    Wah Yan College, Kowloon1415
    Yan Oi Tong Tin Ka Ping Secondary School1311
    Ying Wa Girls' School1517
    Total1239146
  • Website for the 6th La Salle — Pui Ching Programming Challenge is now online.
  • You may find some sample tasks HERE.
  • Codeforces Gym: 5th (2021) 4th (2019) 3rd (2018), 2nd (2017), 1st (2016)

Rules

  • This is a team contest for secondary school students. Each team shall consist of 2 to 3 students from the same school. Each school can send at most two 2-person teams.
  • Each school can nominate 1 official team and unlimited number of sub teams.
  • There will be 10 to 12 tasks, with no subtasks. Teams shall solve as most tasks as possible in 4 hours.
  • Members within a team may communicate with each other, but not with other teams.
  • Each team may only use 1 laptop. Teams must bring their own laptop. There will be no backup laptops.
  • Teams may bring and use unlimited amount of non-electronic reference books and notes.
  • Teams must not use any previously written code. Teams may only use basic document processing and software development software.
  • The allowed programming languages are Pascal, C, and C++11.
  • A verdict, either Accepted, Wrong Answer, Time Limit Exceeded, Runtime Error, or Compilation Error, will be given to each submission. Teams will not receive detailed results of each test.
  • Wrong Answer, Time Limit Exceeded, Runtime Error are regarded as Rejected.
  • The ranking will be made available to the teams, except during the last hour.
  • Each team may print not more than 30 pages of PDF documents.

Ranking and Awards

  • Teams are ordered by number of solved tasks, followed by the Penalty Time.
  • Calculation of Penalty Time
    • No Penalty Time for Unsolved tasks
    • The Penalty for a solved task is the number of minutes past the beginning of the contest that it is solved, plus the number of Rejected submissions multipled by 20 minutes.
    • The total penalty time is the sum of the Penalty Times of each task.
  • The 1st place official team will win the La Salle — Pui Ching Programming Challenge Cup.
  • The 1st - 4th place teams will win the Gold award.
  • The remaining official teams that solves a certain number of tasks (TBA) will win the Silver award.
  • The remaining official teams that solves a certain number of tasks (TBA) will win the Bronze award.
  • The sub teams that solves a certain number of tasks (TBA; same as Silver) will win the Distinction award.
  • The remaining sub teams that solves a certain number of tasks (TBA; same as Bronze) will win the Merit award.

COVID-19 Measures

  • At the school entrance, all visitors (students and teachers included) will be required to:
    • Present Vaccine Pass
    • Scan the LeaveHomeSafe QR code
    • Take body temperature
  • Masks must be worn at all times in the school premises.

Apply

  • Closed

Other Notes

  • All contestants must wear proper school uniform. Team uniform, PE uniform, house tee, class tee etc are also acceptable but it must be consistent within a team.
  • Tasks will only be available in English.
  • There will be tasks of various difficulty in no particular order.
  • Laptop requirements: 802.11a/b/g/n/ac to connect to the contest network. Charger cable of at least 2.5 meters.
  • Peripheral keyboard and mouse are allowed. External displays are not allowed.
  • Teachers may spectate inside the venue.
  • The organiser will arrange photo-taking and video recording for promotional purposes.
  • Enquiries: <>

Previous contests: 5th (2021) 4th (2019) 3rd (2018) 2nd (2017) 1st (2016)