8TH ． 2024

Date
26th August, 2024 (Monday)
Time
13:00 - 17:00 (Reporting time: 12:00)
Venue
LG2 School Hall, La Salle College
18 La Salle Road, Kowloon

Results

Champion: La Salle College / Lai Hong Tung Honrich / Choy Tsz Chai Berton / Mak Chun Hin Ivan

Gold

  • Diocesan Boys' School / Chan Pak Hei / Ko Kin Fung Nicholas / Wang Chi Ho
  • Wah Yan College, Kowloon / Siu Lok Yin / Lau Pok Man / Chang Tsz Fung
  • Pui Ching Middle School / Lu Yi Fung / Cheung Chi Lam / Pang Chi Yin Jovani

Silver (6 tasks or above)

  • Tsuen Wan Government Secondary School / Ng Pui Hei / Tsang Tsz Hong / Lo Ting Wai
  • St. Mark's School / Chor Ching Nam / To King To / Wong Cheuk Kiu
  • Sing Yin Secondary School / Chan Ho Yin / Yip Long In / Chen Chun Wang

Bronze (4 tasks or above)

  • Diocesan Girls' School / Ching Helen / Chau Yu Yiu Zabrina / Mai Polly
  • HKUGA College / Chan Chun Fai / Gong Ching Lam / Lam Ho Fung
  • SKH Lam Woo Memorial Secondary School / Lau James / Cheung Chun To / Ng Cheuk Ting
  • St. Joseph's College / Ng Chun Hin Jamie / Tang Ka Lam

Distinction (6 tasks or above)

  • Pui Ching Middle School / Yeung Shing Hei Angus / Kwok Ching Him / Cheng Yu San
  • Diocesan Boys' School / Liu Zi Yu / Wong Tsz Ho / Wong Pui Ho
  • Wah Yan College, Kowloon / Xie Linghao / Xu Adam / Wong Shun Long
  • Pui Ching Middle School / Tan Jian Lang / Shek Yau Kan Aaden
  • Diocesan Boys' School / Shiu Yu Hin Bernard / Li Haolin / Chow Ho Ting Alvin
  • Diocesan Boys' School / Lo Cheuk Yin Ryan / Chan Cary Sirui / Hui Pak Yu

Merit (4 tasks or above)

  • Diocesan Boys' School / Ho Shun Ngai / Lok Chi Sum
  • Diocesan Boys' School / Chong Tsz Sing / Ng Sheung Yin / Bai Shijun
  • La Salle College / Cheung Chun Lok / Wang Zicheng / Ng Pui Yin
  • Wah Yan College, Kowloon / Lung Ping Him / Li Ching Shun / Liu Zi Qiao
  • Wah Yan College, Kowloon / Lee Kai Chung / Mok Tsz Lung / Li Tuen Ki
  • Sing Yin Secondary School / Chan Lap Tsun / Chan Ngo Wang / Cheung Kin Sun
  • Tsuen Wan Government Secondary School / Fok Kin Wing / Wong Ho Ki / Fung Hiu Nok
  • St. Mark's School / Chan Pak Hei / Wu Xuan Ru / Yeung Ching Yin
  • Wah Yan College, Kowloon / Shum Yat Yin / Leung Sui Hei / Tam Man Hei
  • Tsuen Wan Government Secondary School / Chan Sui Ki / Fok Wai Chung / Lau Yuet Ching
  • La Salle College / Chan Ming Hong / Ying Wan Tung
  • Sing Yin Secondary School / Shen Lik Hang / Yuen Cheuk Fung / Ma Hin Chi
  • Pui Ching Middle School / Cui Yu Xuan / Fong Ming / Chow Pun Yin

Tasks

Solution

Photos

Rank Team (hover to see names) AC Pen A
4 / 8 / 38 		B
49 / 53 / 130 		C
14 / 21 / 89 		D
29 / 42 / 79 		E
36 / 48 / 137 		F
1 / 15 / 42 		G
6 / 27 / 151 		H
8 / 14 / 40 		I
0 / 1 / 2 		J
14 / 37 / 127 		K
53 / 53 / 64 		L
1 / 3 / 6
1 (G) 14就嚟改名做培挑 9 810 251 3:51 / -1 4 0:04 29 0:29 35 0:35 15 0:15 -1 -4 91 1:11 / -1 130 1:50 / -1 7 0:07 248 3:08 / -3
2 (G) 11bruh open 9 998 -8 2 0:02 301 3:21 / -5 52 0:52 11 0:11 96 1:36 351 3:51 / -6 124 0:44 / -4 56 0:36 / -1 5 0:05
3 (G) 23床石頭假 8 624 154 2:14 / -1 3 0:03 88 0:48 / -2 25 0:25 17 0:17 -2 85 1:05 / -1 248 2:48 / -4 4 0:04
4 (D) 42私たち믿지마세요أنتทราบвымаўляць 8 731 74 1:14 10 0:10 104 1:24 / -1 68 1:08 20 0:20 -20 239 2:59 / -3 209 2:49 / -2 7 0:07
5 (G) 16黃進想同黃卓翹求婚，大家比啲勇氣佢 8 922 255 3:55 / -1 9 0:09 125 1:45 / -1 78 1:18 81 0:41 / -2 -1 -5 172 2:32 / -1 196 2:56 / -1 6 0:06
6 (S) 21Lo Submit Strategy 7 580 28 0:08 / -1 83 1:23 64 1:04 144 1:04 / -4 -8 -4 119 1:59 138 2:18 4 0:04
7 (S) 17Left教教徒 7 1001 6 0:06 -11 51 0:51 52 0:32 / -1 -4 412 4:12 / -8 294 3:14 / -5 178 2:38 / -1 8 0:08
8 (D) 93ohno 1234 7 1062 43 0:23 / -1 188 3:08 170 2:50 60 1:00 374 3:54 / -7 212 2:32 / -3 15 0:15
9 (D) 35哈利寶寶 7 1113 24 0:04 / -1 234 2:34 / -4 78 1:18 188 1:08 / -6 -1 402 4:02 / -8 -8 180 2:40 / -1 7 0:07
10 (S) 18聖言的拚勁 6 406 7 0:07 147 1:27 / -3 39 0:39 24 0:24 -1 185 2:45 / -1 -2 4 0:04
11 (D) 94Aadenshek's team 6 686 59 0:19 / -2 229 3:29 / -1 88 1:28 90 1:10 / -1 214 2:54 / -2 6 0:06
12 (D) 61DBS 6 695 93 0:53 / -2 233 2:53 / -3 90 1:30 67 0:47 / -1 -2 -7 201 3:01 / -1 11 0:11
13 (D) 53I can't even remember my own name 6 767 29 0:09 / -1 473 3:53 / -12 61 0:41 / -1 36 0:16 / -1 -2 -5 167 2:47 1 0:01
14 (M) 73did somebody say mko? 5 215 9 0:09 -1 53 0:53 59 0:39 / -1 -5 -7 87 1:27 7 0:07
15 (M) 31try a new one 5 426 29 0:09 / -1 -8 104 1:44 73 0:33 / -2 -1 -2 194 1:54 / -4 26 0:06 / -1
16 (M) 46oi-wiki.org/FST/TLE手動機 5 462 7 0:07 292 3:12 / -5 68 1:08 35 0:35 -11 -5 60 0:20 / -2
17 (M) 56大龍生 4 116 -20 3 0:03 -2 74 1:14 31 0:31 -2 -5 -1 -2 -11 8 0:08 -1
18 (M) 74旅行者 4 197 34 0:14 / -1 -5 80 1:20 74 0:54 / -1 -10 -3 9 0:09
19 (M) 86상표붙인큰깡통은깐깡통인가안깐깡통 4 214 31 0:11 / -1 -3 101 1:41 67 1:07 -1 15 0:15
20 (M) 63404 NameNotFound 4 256 -1 7 0:07 182 3:02 53 0:53 -2 -1 -3 14 0:14
21 (M) 52吾日三省WA 4 271 44 0:24 / -1 153 2:33 60 1:00 -2 14 0:14
22 (M) 62太陽神 4 283 55 0:35 / -1 122 2:02 100 1:20 / -1 6 0:06
23 (M) 55コード 4 324 22 0:22 105 1:25 / -1 150 2:10 / -1 -3 -1 47 0:27 / -1
24 (M) 72ac quick check 26 4 327 31 0:11 / -1 121 2:01 162 1:42 / -3 -4 13 0:13
25 (B) 12DGS Team 1 4 335 76 0:16 / -3 152 2:32 103 1:23 / -1 -1 -1 4 0:04
26 (M) 71English or Spanish 4 361 33 0:13 / -1 206 2:46 / -2 113 1:53 -7 -6 -2 9 0:09
27 (B) 13HKUGA College 4 436 74 0:14 / -3 249 2:49 / -4 109 1:29 / -1 4 0:04
28 (B) 19LWTeam-0 4 518 -2 65 0:25 / -2 256 3:36 / -2 -2 129 2:09 -1 68 0:48 / -1 -1
29 (B) 20SJC 4 575 67 0:47 / -1 -3 220 2:40 / -3 251 3:11 / -3 37 0:37
30 (M) 33sososohandsome 4 590 56 0:16 / -2 -6 333 2:53 / -8 171 2:51 -5 30 0:10 / -1
31 (-) 43石頭先生 3 173 32 0:32 -2 130 2:10 11 0:11
32 (-) 24YWGS1 3 178 41 0:21 / -1 -5 132 1:52 / -1 -1 5 0:05
33 (-) 10其實我們是玩奧數的 3 248 35 0:15 / -1 -1 176 2:56 -4 -1 -1 37 0:17 / -1
34 (-) 84YWGS5 3 306 52 0:32 / -1 233 2:33 / -4 21 0:21
35 (-) 66YWGS3 3 317 128 0:48 / -4 -1 158 2:18 / -1 31 0:11 / -1
36 (-) 64無所謂 3 379 140 2:00 / -1 211 3:31 28 0:28
37 (-) 22華仁滾輪 3 410 20 0:20 384 3:24 / -9 -6 -4 -2 6 0:06
38 (-) 44“too hard, no” 3 455 178 0:38 / -7 -6 271 2:51 / -5 -4 -2 6 0:06
39 (-) 45UncleMo6YLYY 2 10 7 0:07 -5 -24 3 0:03
40 (-) 34YWGS4 2 51 15 0:15 -1 -2 -3 36 0:36
41 (-) 81我唔會dup好呢段code 2 59 49 0:49 -3 -2 10 0:10
42 (-) 83太宏偉了 2 91 65 1:05 -4 26 0:26
43 (-) 65sowhat小隊 2 97 88 0:28 / -3 -2 -10 9 0:09
44 (-) 76International Rubbish Team 2 100 88 0:28 / -3 -2 -1 -1 12 0:12
45 (-) 54YWGS2 2 137 72 0:52 / -1 -2 -9 65 0:25 / -2
46 (-) 75No:/ 2 138 119 0:59 / -3 -1 19 0:19
47 (-) 15JD2001 2 141 112 0:52 / -3 -6 -2 -3 29 0:09 / -1
48 (-) 36DGS Team 2 2 261 253 2:33 / -5 -2 -5 8 0:08
49 (-) 82GL/0 2 272 212 2:32 / -3 -4 60 1:00
50 (-) 32陽光彩虹小白馬 1 6 -11 -3 6 0:06
51 (-) 51LWTeam-1 1 9 -4 -1 -6 -1 9 0:09
52 (-) 41炮灰三人組 1 23 -2 -3 -4 23 0:23
53 (-) 85Handsome 1 35 -2 -10 35 0:35

Latest News

  • List of participating schools:
    SchoolOfficialSub-team# Students
    Buddhist Sin Tak College103
    Diocesan Boys' School1517
    Diocesan Girls' School116
    HKUGA College103
    La Salle College1310
    Lai King Catholic Secondary School129
    Pui Ching Middle School1723
    Sing Yin Secondary School129
    SKH Lam Woo Memorial Secondary School115
    St. Joseph's College102
    St. Mark's School129
    Tsuen Wan Government Secondary School1619
    Wah Yan College, Hong Kong103
    Wah Yan College, Kowloon1517
    Ying Wa Girls' School1414
    Total1538149
  • Website for the 8th La Salle — Pui Ching Programming Challenge is now online.
  • You may find some sample tasks HERE.
  • Codeforces Gym: 7th (2023) 6th (2022) 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, C++17 and Python 3.
  • 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 10 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.

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: 7th (2023) 6th (2022) 5th (2021) 4th (2019) 3rd (2018) 2nd (2017) 1st (2016)