2021 National Eliminations

The NOI.PH 2021 National Eliminations started on 6:00 PM of 5 February 2021 and finished on 11:59 PM of 14 February 2021. It consisted of fourteen problems of varying difficulty. The round was held online, on Codeforces.

The Participants

Among the 187 registrants, 128 participated in the 222-hour online competition. The participants came from 40 different schools from all over the country. Moreover, each of the main island groups of the Philippines were represented.

Luzon, except NCR (50) | Visayas (12) | Mindanao (22) | NCR (44)

Broken down by region, we have the following chart:

NCR (44) | CAR (16) | I (2) | II (3) | III (3) | IV-A (14) | IV-B (2) | V (10) | VI (1) | VII (8) | VIII (3) | XI (3) | XII (14) | XIII (5)

Broken down by grade level, we have the following chart:

Grade 7 (1) | Grade 8 (1) | Grade 9 (20) | Grade 10 (24) | Grade 11 (40) | Grade 12 (42)

The Problems

The contest problems are accessible at https://codeforces.com/group/Sw3sdIlMPV/contest/315246. The problems remain accessible for practice after the contest.

Scoreboard for NOI.PH 2021 National Eliminations

RankCF NameScorePenaltyNameSchoolRegionGradeCoachABCDEFGHIJKLMN
1vincentpikachu2013237:21:36Vincent Dela CruzValenzuela City School of Mathematics and ScienceNCR: National Capital RegionGrade 121001001001001009810010099100901008848
2Steve12010489:01:07Steven ReyesSaint Jude Catholic SchoolNCR: National Capital RegionGrade 121001001001001009710095100742062
3daryll-ko10438:23:13Daryll Carlsten KoSt. Stephen's High SchoolNCR: National Capital RegionGrade 121001001001001001778195100471007530
4InternetPerson1010304:22:15Raphael Dylan DalidaPhilippine Science High School - Main CampusNCR: National Capital RegionGrade 10Adrian Angeles1001001001001009710019510041206214
5ivan249738:06:41Frederick Ivan Michael TanPhilippine Science High School - Main CampusNCR: National Capital RegionGrade 11Adrian Angeles1001001001001009778951004162
6jlallas3849008:04:25John Lloyd AllasCity of San Jose Del Monte National Science High SchoolRegion III: Central LuzonGrade 1010010010010010017551957941206230
7qwerty3121117277:16:25Sean Marco CampanillaAteneo de Manila Senior High SchoolNCR: National Capital RegionGrade 1210010010010010007846284728
8Convergence7097:04:53Sheen Santos CapadnganPhilippine Science High School - Central Visayas CampusRegion VII: Central VisayasGrade 11Mark Lester Canubas1001001001001000760416230
9BlackHat_Hacker6655:03:43John Eric EstradaPhilippine Science High School - Bicol Region CampusRegion V: Bicol RegionGrade 11John Rainer Joaquin1001001001001000060472830
10pwned6628:02:56Filbert Ephraim WuVictory Christian International SchoolNCR: National Capital RegionGrade 101001001001001005560470
11anonimus076597:18:11Clyde Lawrence BorregaPhilippine Science High School - Bicol Region CampusRegion V: Bicol RegionGrade 11John Rainer Joaquin100100100100100600412830
12Kantian_Knight6318:18:34Shawn Darren ChuaMGC New Life Christian AcademyNCR: National Capital RegionGrade 1110010010010010005512847
13chosen_one126298:19:22John Angelo OringoPhilippine Science High School - Bicol Region CampusRegion V: Bicol RegionGrade 11John Rainer Joaquin10010010010077606428
14harvsftw6299:04:02Harvey Shawn ChuaPhilippine Science High School - Main CampusNCR: National Capital RegionGrade 12Adrian Angeles100100100100100604128
15rgm7045938:16:52Enrico Rolando MartinezPhilippine Science High School - Main CampusNCR: National Capital RegionGrade 11Adrian Angeles10010010010010004604700
16marco_elijah5887:00:49Marco Elijah ArcallanaKin Yang AcademyRegion IV-A: CALABARZONGrade 91001001001001000060000280
17ACSF3135848:05:53Aaron John CacasAteneo de Manila Senior High SchoolNCR: National Capital RegionGrade 12100100100100776047
18QuantumK95795:20:44Kian Colin ChuaSaint Jude Catholic SchoolNCR: National Capital RegionGrade 1010010010010077014604114
19jus102res5708:07:23Nemesio Justine Jr. TorresAteneo de Manila Senior High SchoolNCR: National Capital RegionGrade 12100100100100774647
201mbps5646:23:59Lucas Sebastian KhanPhilippine Science High School - Main CampusNCR: National Capital RegionGrade 111001001001007700464100
21rosso5604:03:02Vaughn Matthew VallePhilippine Science High School - Central Visayas CampusRegion VII: Central VisayasGrade 11Mark Lester Canubas100100100100100600
22lyreloi5604:17:17James Bryan FranciscoAteneo de Manila Senior High SchoolNCR: National Capital RegionGrade 1110010010010010006000
23ezerss5608:02:36Ezra MagbanuaPhilippine Science High School - Central Visayas CampusRegion VII: Central VisayasGrade 11Mark Lester Canubas10010010010010060000
24IJBalete5556:05:24Immanuel Josiah BaleteSt. Stephen's High SchoolNCR: National Capital RegionGrade 121001001001001005500
25KingMark5429:04:11Mark Nicholas CagasManila Science High SchoolNCR: National Capital RegionGrade 12Romer Abella100100100100100420
26mayento5358:01:31Matt Raymond AyentoPhilippine Science High School - Caraga Region CampusRegion XIII: Caraga RegionGrade 10JESSEVIM GALEON1001001001007705800
27dreeei5298:23:16Jeremy Andrei AveAteneo de Manila Senior High SchoolNCR: National Capital RegionGrade 11100100100100772612014
28what.a.sad5234:03:40Mehriell Ellice AngDe La Salle University - TaftNCR: National Capital RegionGrade 11100100100100774600
29Edric_Ato5235:02:00Edric AtoManila Science High SchoolNCR: National Capital RegionGrade 12Romer Abella100100100100774600
30Bryce3D5078:20:25Bryce Ainsley SanchezGrace Christian CollegeNCR: National Capital RegionGrade 121001001001001001060
31thisiszammy5031:08:13Michael Jay ZamorasPhilippine Science High School - Eastern Visayas CampusRegion VIII: Eastern VisayasGrade 12Cary Von Alano1001001001007726
32BQ425007:22:59Nate Brevin QueAteneo de Manila Senior High SchoolNCR: National Capital RegionGrade 121001001001001000
33engineering_excalibur4932:21:37Gerarld Paul MeralesPhilippine Science High School - Eastern Visayas CampusRegion VIII: Eastern VisayasGrade 12Cary Von Alano10010010010077016
34TwoManyBees4894:04:20Robert LeungPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 12Neil Gerson Alvarez100100100100770120
35ariiiic4770:04:48Jose Enrique EscoberPhilippine Science High School - Bicol Region CampusRegion V: Bicol RegionGrade 11John Rainer Joaquin1001001001007700
36ArrowheadCo4770:23:46Malks Mogen DavidPhilippine Science High School - Main CampusNCR: National Capital RegionGrade 101001001001007700
37evgenyc4778:16:57Evgeny CruzManila Science High SchoolNCR: National Capital RegionGrade 10Romer Abella100100100100770
38MilkyW4381:01:47Rafael Sheen AcuñaAteneo de Manila Senior High SchoolNCR: National Capital RegionGrade 121001001006177
39WBCJ124206:03:37William Jr. CortezPhilippine Science High School - Bicol Region CampusRegion V: Bicol RegionGrade 11John Rainer Joaquin10010010010020
40simplycomplicated724063:20:44Seth Andrei PlataElizabeth Seton School - CaviteRegion IV-A: CALABARZONGrade 9Mary Jane Buluran10010010029770000
41chelseag0mez4065:20:11Chelsea Lianne GomezDe La Salle Santiago Zobel SchoolNCR: National Capital RegionGrade 10100100100297700
42Rsean4068:20:29Rsean Patrick GuecoPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 11Kaye Melina Natividad Alamag1001001002977
43franciellajoan4003:13:19Daniella Joan FranciscoPhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 12Sheena Dawn Ferraren100100100100
44DippleThree3841:21:58Cassidy Kyler TanDavao Christian High SchoolRegion XI: Davao RegionGrade 1010010010007716
45KianBusico3771:05:24Kian Andrew BusicoPhilippine Science High School - Southern Mindanao CampusRegion XI: Davao RegionGrade 11Bernard Beduya100100100077
46KurtSumallo3771:07:22Kurt SumalloPhilippine Science High School CALABARZON Region CampusRegion IV-A: CALABARZONGrade 11Marbecel Florida100100100770
47HeySiri3771:17:04Gabriel SirilanAteneo de Manila Senior High SchoolNCR: National Capital RegionGrade 1210010010077
48Ecooo3771:18:01Arvin Teri TanAteneo de Davao Senior High SchoolRegion XI: Davao RegionGrade 1210010010077000
49Nemi3772:02:31Francis Benedict MartinezPhilippine Science High School - Eastern Visayas CampusRegion VIII: Eastern VisayasGrade 12Cary Von Alano10010010077
50Jtibay3772:04:37John Michael TibayPhilippine Science High School - Caraga Region CampusRegion XIII: Caraga RegionGrade 10JESSEVIM GALEON100100100770
51mattferrer3772:18:34Matt Brycen FerrerPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 11Kaye Melina Natividad Alamag10010010077
52BatongSisiw3773:16:18Andry Joseph TumacolePhilippine Science High School - Central Visayas CampusRegion VII: Central VisayasGrade 11Mark Lester Canubas100100100077
53carljoshuaa3773:18:09Carl Joshua MamuriPhilippine Science High School - Cagayan Valley CampusRegion II: Cagayan ValleyGrade 12Dianne Rose Bangloy10010010077000
54fleurdislee3776:21:19Lance RimandoPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 12Kaye Melina Natividad Alamag10010010077
55asvender3778:00:05Alan VenderPhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 10Jimmy Jr Unilongo10010010077
56ShiroTenshi3779:05:25Kei Hang Derek ChanSaint Jude Catholic SchoolNCR: National Capital RegionGrade 910010010077
57Nicosx3475:03:04Andrei Nicos AnchetaPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 11Kaye Melina Natividad Alamag100100100470
58Khalil_Henry3200:02:08Mark Jaymor De VeraCavite National Science High SchoolRegion IV-A: CALABARZONGrade 1210010010020
59NotAlive3200:14:00Nicanor Froilan PascualUST Angelicum CollegeNCR: National Capital RegionGrade 91001001002000
60ldne_edrn3200:14:29Edrian Paul LiaoPhilippine Science High School - Cagayan Valley CampusRegion II: Cagayan ValleyGrade 12Dianne Rose Bangloy10010010020
61zenthicc3200:18:54Joseph Duron Jr.Philippine Science High School - Central Visayas CampusRegion VII: Central VisayasGrade 11Mark Lester Canubas10010010020
62DemonBlade6473200:21:00Ralph Richard YantoPhilippine Science High School - Bicol Region CampusRegion V: Bicol RegionGrade 11John Rainer Joaquin10010010020
63Ascend3201:01:58Alexandra Brianne GochianSaint Jude Catholic SchoolNCR: National Capital RegionGrade 91001001000200
64kyotikyot3203:17:22Denise Nicole De VegaPhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 12Sheena Dawn Ferraren10010010020
65EditUsername143204:18:37Val Derrick James AlamilloPhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 10Jimmy Jr Unilongo10010010020
66JoaquindeCastro3206:03:36Joaquin de CastroXavier School San JuanNCR: National Capital RegionGrade 91001001000200
67gcalanza3207:00:43Gilean Cyrus AlanzaPhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 10Jimmy Jr Unilongo1001001002000
68HaanakNalaing3208:03:29Ezer Jones SimeonPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 12Neil Gerson Alvarez100100100200
69Markovian-Parallax3208:19:46Mario Abrio IIIPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 12Neil Gerson Alvarez10010010020
70Akkooma3209:02:18Adrien Keith Orencio MacusiPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 12Neil Gerson Alvarez10010010020
71tuatramxo53209:03:08Uriel Nathan OrpillaPhilippine Science High School - Main CampusNCR: National Capital RegionGrade 11Adrian Angeles1001001000200
72skeletardy3209:05:44Basil Xavier MendozaPhilippine Science High School - Central Visayas CampusRegion VII: Central VisayasGrade 11Mark Lester Canubas10010010020
73eefism3092:20:36Francis Isaac MijaresPhilippine Science High School - Caraga Region CampusRegion XIII: Caraga RegionGrade 10JESSEVIM GALEON1001008920
74suzxka3095:03:44Gabriel Antonio SolisElizabeth Seton School - CaviteRegion IV-A: CALABARZONGrade 9Mary Jane Buluran1001008920
75Arvin_Arenas3097:22:22Arvin ArenasPhilippine Science High School CALABARZON Region CampusRegion IV-A: CALABARZONGrade 11Marbecel Florida1001008920
76TsukishimaKei3099:01:44Lea Angeli CuadraPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 11Kaye Melina Natividad Alamag1001008920
77Ausp3x3000:03:49Walsh Nico Adrian LetranSaint Jude Catholic SchoolNCR: National Capital RegionGrade 91001001000
78NoodleSushi3000:05:03Kyne Edric SiaSacred Heart School - Ateneo de CebuRegion VII: Central VisayasGrade 12Michael David John E. Abello100100100
79piageaguirre3000:21:57Maria Pilar Isabel AguirrePhilippine Science High School - Western Visayas CampusRegion VI: Western VisayasGrade 11Eisen Ed Briones100100100
80eRuaro3002:20:37Neil RuaroDe La Salle University - TaftNCR: National Capital RegionGrade 111001001000
81Ray013002:21:57Rheana MindoPhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 12Sheena Dawn Ferraren100100100
82Miiiigss3002:23:58Joel Miguel LeysaPhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 12Sheena Dawn Ferraren1001001000
83s4ber3003:17:34Zeph Kentaro HatadaPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 11Kaye Melina Natividad Alamag100100100
84lunar_bloom3004:08:27Neomi MendozaPhilippine Science High School - Main CampusNCR: National Capital RegionGrade 10Adrian Angeles1001001000
85simpleboi20193005:06:28Issam WangManila Science High SchoolNCR: National Capital RegionGrade 12Romer Abella1001001000
86jrderez243005:16:47John Ross DerezManila Science High SchoolNCR: National Capital RegionGrade 12Romer Abella100100100
87tim_cheng1053005:18:15Tim Sabien ChengXavier School San JuanNCR: National Capital RegionGrade 101001001000
88YldrenJess3007:16:19Lydren Jess RanjoPhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 10Jimmy Jr Unilongo100100100
89JanDexter3008:23:48Jan Dexter DiazPhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 11Jimmy Jr Unilongo100100100
90xdjcb2890:03:55Judd Christian BañasPhilippine Science High School - Caraga Region CampusRegion XIII: Caraga RegionGrade 10JESSEVIM GALEON100100890
91x952htaed2895:01:45Shane SoGrace Christian CollegeNCR: National Capital RegionGrade 1210010089
92Onee-chan2895:05:23Jose Kenley Dela PeñaPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 9Kaye Melina Natividad Alamag10010089
93SingleBoi2895:17:28Sean Samuel BoloPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 9Graceson Cuyasen10010089
94paintVeteran2819:02:02Rizza Mae LimPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 11Kaye Melina Natividad Alamag10061100200
95RaphaelCondor2612:09:47Raphael David CondorPhilippine Science High School - Central Visayas CampusRegion VII: Central VisayasGrade 12Mark Lester Canubas100611000
96hololive2505:22:07Cromuel PangilinanPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 11Kaye Melina Natividad Alamag1006189
97DrMercury2506:23:30Sean NamInternational School of ManilaNCR: National Capital RegionGrade 71006189
98NathanBatnag2508:23:40Nathan Earendil BatnagAteneo de Manila Junior High SchoolNCR: National Capital RegionGrade 10Allan Raymond Santos1006189
99r3m_2509:05:54Alaric Justin ConluPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 11Kaye Melina Natividad Alamag1006189
100jjaihoee2332:05:53Audrea Arjaemi TabaderoLorma Senior High SchoolRegion I: Ilocos RegionGrade 12Antonette Ongngad10033100
101JoshuaFigueroa2333:09:55Joshua FigueroaPolytechnic University of the PhilippinesNCR: National Capital RegionGrade 1110033100
102Imman212000:01:33Immanuel UmaliPhilippine Science High School - Bicol Region CampusRegion V: Bicol RegionGrade 10John Rainer Joaquin100100
103NotDream2003:16:21Ahmed Ezra BigtasPhilippine Science High School - Bicol Region CampusRegion V: Bicol RegionGrade 11Tom Secundo1000100
104AJchuu1890:07:56Adiel TrilloPhilippine Science High School - Caraga Region CampusRegion XIII: Caraga RegionGrade 10JESSEVIM GALEON100089
105LoloDapitan1892:01:34Earl Justin PajeElizabeth Seton School - CaviteRegion IV-A: CALABARZONGrade 9Mary Jane Buluran100089
106aeririelle1897:22:00Anne Gabrielle SulitLyceum of the Philippines University - BatangasRegion IV-A: CALABARZONGrade 12100089
107AdrielGuanzon1899:03:25Adriel GuanzonPhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 9Merch Jay Dollaga10089
108LittleJohn1727:03:51Anthony Carl OlegarioElizabeth Seton School - CaviteRegion IV-A: CALABARZONGrade 9Mary Jane Buluran503389
109lwrnc7881610:21:02Dominic Lawrence BermudezPhilippine Science High School - Main CampusNCR: National Capital RegionGrade 11Adrian Angeles10061
110kimisifa1611:22:03Kim Isiah FalogmePhilippine Science High School - MIMAROPA Region CampusRegion IV-B: MIMAROPAGrade 11Leonil Suarez10061
111BroThaRage1338:07:24Cedric Allen MercadoPhilippine Science High School - Cagayan Valley CampusRegion II: Cagayan ValleyGrade 12Dianne Rose Bangloy10033
112apres_moi_le_deluge1202:03:24Patricia Emmanuelle BansilElizabeth Seton School - CaviteRegion IV-A: CALABARZONGrade 9Mary Jane Buluran1000020
113.unojayme1000:00:36Uno JaymePhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 9Merch Jay Dollaga100
114Hikariare1000:02:04Thomas Andrei AdarloElizabeth Seton School - CaviteRegion IV-A: CALABARZONGrade 9Mary Jane Buluran100000
115KRotilla1000:03:27Kristoffer Roge OtillaPhilippine Science High School - Bicol Region CampusRegion V: Bicol RegionGrade 10John Rainer Joaquin1000
116Jamir_Usman1000:04:03Jamir UsmanPhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 9Merch Jay Dollaga10000
117Franzei1000:04:38Audric Franzei CandelariaElizabeth Seton School - CaviteRegion IV-A: CALABARZONGrade 9Jeniffer Paje1000
118Michael_Entona1001:00:10Michael Adrian EntonaLorma Senior High SchoolRegion I: Ilocos RegionGrade 12Antonette Ongngad100
119AbdollahDimaudtang1002:20:50Abdollah Adnan DimaudtangPhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 9Merch Jay Dollaga100
120Lee_am1003:16:40Jose William SolanoPhilippine Science High School - SOCCSKSARGEN Region CampusRegion XII: SOCCSKSARGENGrade 8Merch Jay Dollaga1000
121Kirizaya431008:22:11Jerome Jr SalesPhilippine Science High School - CAR CampusCAR: Cordillera Administrative RegionGrade 12Neil Gerson Alvarez100
122Jego501:01:28Juan Diego SocoElizabeth Seton School - CaviteRegion IV-A: CALABARZONGrade 9Jeniffer Paje500
123ReSetRandom00:00:00Rix Gabriel BausaPhilippine Science High School - Bicol Region CampusRegion V: Bicol RegionGrade 10Tom Secundo0
123HidelwinaTenedero00:00:00Hidelwina TenederoFirst City Providential CollegeRegion III: Central LuzonGrade 100
123edridge00:00:00Eldridge VelmonteSiena College of San JoseRegion III: Central LuzonGrade 110
123CharlesQuiroz00:00:00Charles Wayne QuirozOriental Mindoro National High SchoolRegion IV-B: MIMAROPAGrade 12Genriel Geniza0
123Namelessguy00:00:00Paul Leonard TuasonLourdes School Quezon CityNCR: National Capital RegionGrade 110

NOI.PH 2021 Official Finalists

In no particular order, here is the list of students who qualify for the NOI.PH 2021 Final Round as official finalists.

  • Allas, John Lloyd, Tridanio (jlallas384)
    Grade 10, City of San Jose Del Monte National Science High School
  • Ang, Mehriell Ellice, Siajuat (what.a.sad)
    Grade 11, De La Salle University – Taft
  • Arcallana, Marco Elijah, Morelos (marco_elijah)
    Grade 9, Kin Yang Academy
  • Ato, Edric, Guinto (Edric_Ato)
    Grade 12, Manila Science High School
  • Ave, Jeremy Andrei, Peralta (dreeei)
    Grade 11, Ateneo de Manila Senior High School
  • Ayento, Matt Raymond (mayento)
    Grade 10, Philippine Science High School – Caraga Region Campus
  • Balete, Immanuel Josiah, Ang (IJBalete)
    Grade 12, St. Stephen’s High School
  • Borrega, Clyde Lawrence, Masagca (anonimus07)
    Grade 11, Philippine Science High School – Bicol Region Campus
  • Cacas, Aaron John, Guese (ACSF313)
    Grade 12, Ateneo de Manila Senior High School
  • Cagas, Mark Nicholas, Labor (KingMark)
    Grade 12, Manila Science High School
  • Campanilla, Sean Marco, Beltran (qwerty312111)
    Grade 12, Ateneo de Manila Senior High School
  • Capadngan, Sheen Santos, D. (Convergence)
    Grade 11, Philippine Science High School – Central Visayas Campus
  • Chua, Harvey Shawn, Ang (harvsftw)
    Grade 12, Philippine Science High School – Main Campus
  • Chua, Kian Colin, Ng (QuantumK9)
    Grade 10, Saint Jude Catholic School
  • Chua, Shawn Darren, Siytiu (Kantian_Knight)
    Grade 11, MGC New Life Christian Academy
  • Dalida, Raphael Dylan, Tanilong (InternetPerson10)
    Grade 10, Philippine Science High School – Main Campus
  • Dela Cruz, Vincent, Uy (vincentpikachu20)
    Grade 12, Valenzuela City School of Mathematics and Science
  • Estrada, John Eric, Pura (BlackHat_Hacker)
    Grade 11, Philippine Science High School – Bicol Region Campus
  • Francisco, James Bryan, Manuyag (lyreloi)
    Grade 11, Ateneo de Manila Senior High School
  • Khan, Lucas Sebastian, Feliciano (1mbps)
    Grade 11, Philippine Science High School – Main Campus
  • Ko, Daryll Carlsten, Lam (daryll-ko)
    Grade 12, St. Stephen’s High School
  • Magbanua, Ezra, Igot (ezerss)
    Grade 11, Philippine Science High School – Central Visayas Campus
  • Martinez, Enrico Rolando, Galarosa (rgm704)
    Grade 11, Philippine Science High School – Main Campus
  • Oringo, John Angelo, Oraa (chosen_one12)
    Grade 11, Philippine Science High School – Bicol Region Campus
  • Reyes, Steven, Ting (Steve120)
    Grade 12, Saint Jude Catholic School
  • Sanchez, Bryce Ainsley, Ang (Bryce3D)
    Grade 12, Grace Christian College
  • Tan, Frederick Ivan Michael, Tiong (ivan24)
    Grade 11, Philippine Science High School – Main Campus
  • Torres, Nemesio Justine Jr., dela Fuente (jus102res)
    Grade 12, Ateneo de Manila Senior High School
  • Valle, Vaughn Matthew, Quiapo (rosso)
    Grade 11, Philippine Science High School – Central Visayas Campus
  • Wu, Filbert Ephraim, S. (pwned)
    Grade 10, Victory Christian International School

They will all advance to the Final Round, one step closer to the International Olympiad in Informatics 2021 (IOI 2021) in Singapore!

All codes/submissions have been audited, and all scores/rankings are final.