2019 National Eliminations

The NOI.PH 2019 National Eliminations started on 6:00 PM of 18 January 2019 and finished on 11:59 PM of 27 January 2019. It consisted of fourteen problems of varying difficulty.

The Participants

Among the 209 registrants, 141 participated in the 222-hour online competition. The participants came from 23 different schools from all over the country. Moreover, each of the main island groups of the Philippines were represented.

Luzon, except NCR (47) | Visayas (33) | Mindanao (17) | NCR (44)

Broken down by region, we have the following chart:

CAR (5) | I (5) | II (1) | III (10) | V (26) | VI (8) | VII (5) | VIII (20) | XI (4) | XII (13) | NCR (44)

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

Grade 8 (20) | Grade 9 (21) | Grade 10 (53) | Grade 11 (32) | Grade 12 (15)

The Problems

The contest problems are accessible at https://www.hackerrank.com/noi-ph-2019. Each individual problem page also contains the solution (“Editorial”) for that problem. The problems remain accessible for practice after the contest.

Scoreboard for NOI.PH 2019 National Eliminations

Rank	Username	Score	Penalty	Name	Grade	Coach	School	Region	Next Generation Currency	Anion Find	Evening Gown	Aswang Immortal - Trivia!	Exchange Gift	Lots of Cookies	Dagohoy Rock Lapu-Lapu Boogie	最終審判	Spratly Islands Tour	Skyscaping	Super Rangers	ReMotion	Yet Another Packing Problem	Almost Original
1	spacewalker	1290	9867.28	Dan Alden Baterisna	11		De La Salle University - Taft	NCR	100	100	100	100	100	100	100	100	100	100	100	50	40	100
2	Something_Hacker	1130	6955.12	Ron Mikhael Surara	11	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	100	100	100	100	100	100	100	40	100	100	50	40
3	dsjong2002	1060	13277.2	Dion Stephan Ong	11		Ateneo de Manila Senior High School	NCR	100	100	100	100	100	100	100	100		100	100	50		10
4	Graphcalibur	866	12896.93	Steven Chua	11		British School Manila	NCR	100	100	100	100	100	100	40	34		100		50	24	18
5	H3XoRuSH	800	11804.68	Rae Gabriel Samonte	11	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	100	100	100	100	100	20	38		100		0	24	18
6	Steve120	707	11895.63	Steven Reyes	10		Saint Jude Catholic School	NCR	100	100	100	100	76	15	20	22		100		50	24
7	anonimus07	665	8343.15	Clyde Lawrence Borrega	9	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	100	0	100	100	65	20	22	0	100			40	18
8	acmabute	645	13141.62	Al Christian Mabute	11	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	100	100	100	100	15	20	10		100			0
9	neotechz	640	12707.27	Marc Joshua Ayalde	11	Sheena Dawn Ferraren	Philippine Science High School - SOCCSKSARGEN Region Campus	XII	100	100	6	100	100	50	20	22	0	100		0	24	18
10	chosen_one12	622	11659.73	John Angelo Oringo	9	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	100	6	100	100	50	20	22		100			24	0
11	BlackHat_Hacker	614	7403.62	John Eric Estrada	9	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	100	0	100	100	30	20	22		100			24	18
12	franciellajoan	600	12526.37	Daniella Joan Francisco	10	Sheena Dawn Ferraren	Philippine Science High School - SOCCSKSARGEN Region Campus	XII	100	100	0	100	100	50	20	22		100			0	8
13	gramliu	593	13243.27	Gregory William Joseph Liu	12	Felix Calvo	Philippine Science High School - Central Visayas Campus	VII	100	100	6	100	100	15	20	10		100			24	18
14	vincentpikachu20	589	11552.25	Vincent Dela Cruz	10		Valenzuela City School of Mathematics and Science	NCR	100	100	0	60	76	15	60	0		60	0	90	0	28
15	rmlshao19	580	13151.68	Ryan Mark Shao	12		Xavier School San Juan	NCR	100	100		100	76	50	20	0		100			24	10
16	BoogySalute	569	13246.2	Allen Adrian Solis	11	Sheena Dawn Ferraren	Philippine Science High School - SOCCSKSARGEN Region Campus	XII	100	100		100	100	15	20	10		92			24	8
17	lanbenramcab	565	9538.15	Lance Benedict Cabrera	9	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	100	6	100	88	15	20	12	0	100			24	0
18	ivan24	546	13129.07	Frederick Ivan Michael Tan	9		Philippine Science High School - Main Campus	NCR	100	100		100	76	50	20			100
19	capadngansantos	511	12499.73	Sheen Santos Capadngan	9	Felix Calvo	Philippine Science High School - Central Visayas Campus	VII	100	100	0	100	76	15	20			100
20	ariiic	491	13158.85	Jose Enrique Ramirez	9	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	100		100	76	15				100
21	DemonBlade647	478	10323.58	Ralph Richard Yanto	9	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	100	0	100	28	50	0	0	0	100
22	InternetPerson10	475	11723.03	Raphael Dylan Dalida	8		Philippine Science High School - Main Campus	NCR	100	100		60	100	15	0	0		60		40
23	UnknownNumber	461	12850.02	Richwynn Cedric Ong	10		Xavier School San Juan	NCR	100	100		100		15		22		100			24
24	LittleHacker12	447	13005.25	Johnbell De Leon	10	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	100	6	100	6	15	20	0		100			0
25	smurfedasder	395	13221	Justin Clyde Frongoso	11	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	100	0	100	0	15	20	0	0	60
26	kelc210	375	6694.17	Kirby Chua	12		Xavier School San Juan	NCR	100	100		100	0	15				60
27	Fun_Boi_69	351	10618.98	Adalbert Apuya	9	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	100		60		15	20			56
28	theCouchPotato	335	13194.95	Philmon Sedrick Wee	11		Xavier School San Juan	NCR	100	100		60		15				60		0
29	clydejallorina	319	2769.23	Clyde Courtney Jallorina	12		Philippine Science High School - Main Campus	NCR	100	100		60		15	20		0				24
30	3123justin	313	13087.23	Justin Tan	12		Ateneo de Manila Senior High School	NCR	100	82	6	30	76	15		0	0	4
31	angeloponce68	305	10846.98	Mark Angelo Landingin	11	Pablo Viloria, Jr.	Philippine Science High School - CAR Campus	CAR	100	100		30		15				60
32	vash_ancheta	305	10917.45	Vash Patrick Ancheta	11	Pablo Viloria, Jr.	Philippine Science High School - CAR Campus	CAR	100	100		30	0	15		0		60
33	bonbonbonchon	300	7497.63	Vaughn Matthew Valle	9	Felix Calvo	Philippine Science High School - Central Visayas Campus	VII	100	100		100	0
34	LordMark1154	290	12838.07	Mark Nicholas Cagas	10	Romer Abella	Manila Science High School	NCR	100	100		30		0				60
35	IJBalete	287	7394.05	Immanuel Josiah Balete	10	Agnes Panes	St. Stephen's High School	NCR	100	82		30		15				60
36	mjzamoras	285	3251.8	Michael Jay Zamoras	10	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100	100	0	60		15		10		0
37	Lenhesity	284	12675.5	Jose Rafael Matienzo	10	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100	100		60						24
38	PhilyCheeseStick	283	4044.67	Phillbert Neil Aldrich Tan	12		Xavier School San Juan	NCR	100	100	0	60	0	15		0		8		0
39	mcheong246	267	7522.37	Martin Cheong	10	Hari Denton	British School Manila	NCR	100	50		30		15	20			52
40	jkrperson	250	8491.52	Jose Kristian Resabal	11		De La Salle University - Taft	NCR	100	50			0					100
41	Subs_	245	8471.13	Kenneth John de Claro	11	Sheena Dawn Ferraren	Philippine Science High School - SOCCSKSARGEN Region Campus	XII	100	100		30		15
42	Lolicon_Akuma	245	10922.3	Eric Jomin Dacer	11	Pablo Viloria, Jr.	Philippine Science High School - CAR Campus	CAR	100	100		30		15							0	0
43	jedjetplane	242	2698.2	Jed Arcilla	11	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	82		60
44	james12nic	230	10793.42	Nicholus Ernest James Baradi	11	Pablo Viloria, Jr.	Philippine Science High School - CAR Campus	CAR	100	100		30
45	Kristine_Bqn	225	13106.57	Kristine Bernadette Nunez	12		Philippine Science High School - Main Campus	NCR	100	50		60		15		0					0	0
46	christyne_saw	215	8837.18	Christyne Saw	10	Romer Abella	Manila Science High School	NCR	100	50		30		15	20	0
47	joelmiguell	211	8406.5	Joel Miguel Leysa	10	Sheena Dawn Ferraren	Philippine Science High School - SOCCSKSARGEN Region Campus	XII	100	50		30		15				16
48	Altzu15	210	1447.82	Simwel Pante	10	Tom Jordan Secundo	Philippine Science High School - Bicol Region Campus	V	100	50		60
49	ckms21	210	2917.95	Coleen Kate Saligue	10	Romer Abella	Manila Science High School	NCR	100	50	0	60
50	edricato	210	3093.42	Edric Luis Ato	10	Romer Abella	Manila Science High School	NCR	100	50		60		0
51	vjloable	200	8271.25	Vince Japheth Loable	10	Sheena Dawn Ferraren	Philippine Science High School - SOCCSKSARGEN Region Campus	XII	100	100		0
52	TrshTL	195	6889.35	Trisha Lorraine Lei	11		Saint Jude Catholic School	NCR	100	50		30		15				0
53	kyotikyot	195	8287.33	Denise Nicole De Vega	10	Sheena Dawn Ferraren	Philippine Science High School - SOCCSKSARGEN Region Campus	XII	100	50		30		15
54	RayinBow01	195	8388.2	Rheana Mindo	10	Sheena Dawn Ferraren	Philippine Science High School - SOCCSKSARGEN Region Campus	XII	100	50		30		15
55	kangHyewon	180	170.03	Robert Kasinsky	11		Jesus Is Lord Colleges Foundation, Inc.	III	100	50		30				0
56	TG_Guru	180	287.3	Gabriel Geraldo	10	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100	50	0	30				0
57	CoderX_412	180	1402.62	Clarence Combinido	10	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100	50		30
58	lance_tan	180	1622.15	Alistair Tan	11		British School Manila	NCR	100	50		30
59	[redacted]	180	3215.47	[redacted]	[redacted]		[redacted]	[redacted]	100	50		30
60	Sporplok_Razy	180	3763.17	Rudy II Pilande	10	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100	50	0	30
61	Aerune	180	4630.37	John Abe	11	Romer Abella	Manila Science High School	NCR	100	50		30
62	WBCJ12	180	6670.72	William, Jr. Cortez	9	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	50		30
63	regiszehnharold1	180	7035.12	Zehn Harold Regis	10	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100	50	0	30
64	rhaaalphlstnz	180	7437.1	Rhalph Louise Atienza	10	Romer Abella	Manila Science High School	NCR	100	50		30
65	DeSeRt_FoX_06	180	8514.98	Lance Stephen Bronzal	10	Tom Jordan Secundo	Philippine Science High School - Bicol Region Campus	V	100	50		30
66	Qumarrr	180	11218.08	Kriz Greg Urmeneta	10	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100	50		30
67	ayokonayabang	180	11792	Alan Vender	8	Sheena Dawn Ferraren	Philippine Science High School - SOCCSKSARGEN Region Campus	XII	100	50		30
68	Imman21	180	11845.08	Immanuel Umali	8	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	50	0	30
69	deltaceru8	152	5888.83	Maquier Hans Arnobit	11		Philippine Science High School	CAR	100	22		30			0	0
70	Nemurino	150	130.9	Francis Benedict Martinez	10	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100	50
71	jrgemoto	150	145.82	Jamie Rafaella Gemoto	9	Eisen Ed Briones	Philippine Science High School - Western Visayas Campus	VI	100	50
72	joaquinantoniod1	150	256	Joaquin dela Rosa	11	Romer Abella	Manila Science High School	NCR	100	50
73	_uzzielabiday_	150	562.73	Uzziel Josh Abiday	10	Romar Jan Ubaldo	Philippine Science High School - Ilocos Region Campus	I	100	50
74	c_o_c_o	150	1351.55	Maxinne Louise Dominique Co	10	Eisen Ed Briones	Philippine Science High School - Western Visayas Campus	VI	100	50
75	PookieDog	150	1533.25	John Vincent Manog	10	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100	50
76	marcbarcial96	150	1838.15	Marc Joseph Barcial	12		Immaculate Heart of Mary College	NCR	100	50
77	miss_encoder14	150	3012.32	Shakira Marie Chunaco	10	Tom Jordan Secundo	Philippine Science High School - Bicol Region Campus	V	100	50	0	0
78	b33HAA	150	4160.92	Lyzter John Deuda	10	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100	50
79	conluiben	150	4544.08	Conrado Luiz Bencio	11	Adrian Angeles	Philippine Science High School - Main Campus	NCR	100	50
80	rajochristian_c	150	5994.42	Rajo Christian Cadorna	11	Eisen Ed Briones	Philippine Science High School - Western Visayas Campus	VI	100	50
81	MCVampy17	150	8281.58	Manuel Vito III Ortiz	11	Eisen Ed Briones	Philippine Science High School - Western Visayas Campus	VI	100	50
82	daruygongco	150	8320.98	Daryll Kevin Uygongco	11	Eisen Ed Briones	Philippine Science High School - Western Visayas Campus	VI	100	50
83	RedCoder11	150	8389.87	Gabriel Olaran	10	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100	50
84	rdcondor	150	10491.27	Raphael David Condor	10	Felix Calvo	Philippine Science High School - Central Visayas Campus	VII	100	50
85	CPlusUltra	150	11151.87	Jefferson Louis Amores	10	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100	50
86	BanPol	130	897.67	Van Paul Angelo Dayag	11		Philippine Science High School - Cagayan Valley Campus	II	100	0		30
87	editUsername	130	8182.02	Val Derrick James Alamillo	8	Sheena Dawn Ferraren	Philippine Science High School - SOCCSKSARGEN Region Campus	XII	100	0		30
88	Aedwon	130	8384.47	Aerol Dwayne Balayon	11	Sheena Dawn Ferraren	Philippine Science High School - SOCCSKSARGEN Region Campus	XII	100	0		30
89	ineagambalan_18	122	246.42	East Christinea Gambalan	10	Romer Abella	Manila Science High School	NCR	100	22
90	vincentpataray	122	266.83	Vincent Pataray	12	Kris Bryan Rialubin	Philippine Science High School - Ilocos Region Campus	I	100	22
91	Sjhtanco22	122	1627.95	Sean Tanco	9		Xavier School San Juan	NCR	100	22	0	0
92	four321	100	58.9	Miguel Angelo Delos Santos	12	Kris Bryan Rialubin	Philippine Science High School - Ilocos Region Campus	I	100
93	COMPGoZui	100	153.83	Zui Andrei Dominic Go	10	Samuel Chueh	Davao Christian High School	XI	100
94	COMPTeeKeevinRoy	100	159.88	Keevin Tee	10	Samuel Chueh	Davao Christian High School	XI	100
95	HOPEAcebedoAngie	100	278.03	Angela Coleen Acebedo	9	Samuel Chueh	Davao Christian High School	XI	100		0							0
96	CJ_Verdera	100	293.68	Carl Justin Verdera	10	Romer Abella	Manila Science High School	NCR	100
97	alecmendoza15	100	917.67	Alec Mendoza	10	Romer Abella	Manila Science High School	NCR	100
98	JouleHuece	100	1040.72	Fredrik Angelo Francisco	10	Romer Abella	Manila Science High School	NCR	100
99	samwang95	100	1370.52	Issam Wang	10	Romer Abella	Manila Science High School	NCR	100	0				0
100	JanDexter	100	1690.28	Jan Dexter Diaz	9	Sheena Dawn Ferraren	Philippine Science High School - SOCCSKSARGEN Region Campus	XII	100	0
101	aerondannpenafl2	100	2617.53	Aeron Peñaflorida	8	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100
102	KRotilla	100	2818.32	Kristoffer Roge Otilla	8	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100
103	redstoneadi	100	2983.27	Adriel Isaiah Amoguis	12	Samuel Chueh	Davao Christian High School	XI	100
104	mbeluang	100	2985.08	Marianne Rose Beluang	8	Roffe Fajardo	Philippine Science High School - Bicol Region Campus	V	100
105	gaisrael48	100	2993.23	Georj Andrei Israel	8	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100				0
106	guanzonedriel	100	3820.02	Edriel Guanzon	8	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100
107	adrian24galang	100	4417.62	Raphael Adrian Galang	10	Romer Abella	Manila Science High School	NCR	100
108	zachaldridge29	100	4531.33	Zachary Aldridge Africa	10	Romer Abella	Manila Science High School	NCR	100
109	TheFlyingTuna	100	5856.6	Trisha Marie Lucido	10		Philippine Science High School - Western Visayas Campus	VI	100	0
110	AnagramicCoder	100	5879.67	John David Vidad	12	Kris Bryan Rialubin	Philippine Science High School - Ilocos Region Campus	I	100
111	dominaxe	100	5923.22	Ewemiz Insigne	10	Eisen Ed Briones	Philippine Science High School - Western Visayas Campus	VI	100
112	iChippy_1	100	5980.3	Vin Aquino	10	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100	0
113	francisdelrosary	100	6118.55	Francis Gian Del Rosario	8	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100
114	FatherOmega	100	7030.92	Eduard Roslie Omega	8	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100
115	ComputerBot	100	7051.07	Hector Estrella	8	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100
116	giuseppebeltran1	100	7056.85	Giuseppe Anthony Beltran	8	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100
117	Jjjjjustineeeee	100	7074.05	Justine Colilihan	8	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	100
118	EzraMagbanua	100	7530.25	Ezra Magbanua	9	Felix Calvo	Philippine Science High School - Central Visayas Campus	VII	100
119	cathrynudasan	100	8339.32	Cathryn Udasan	8	Sheena Dawn Ferraren	Philippine Science High School - SOCCSKSARGEN Region Campus	XII	100
120	CyTPM	100	10206.68	Jaymund Cyrus Floranza	9	John Rainer Joaquin	Philippine Science High School - Bicol Region Campus	V	100	0			0
121	zakialbaran	100	11229.67	Zaki Jeremy Albaran	10	Romer Abella	Manila Science High School	NCR	100
122	kayekirsten	100	11285.52	Kirsten Dianne Delmo	10		Philippine Science High School - Western Visayas Campus	VI	100	0
123	Syn___	50	8554.1	Stanli Ritche Regala	10	Tom Jordan Secundo	Philippine Science High School - Bicol Region Campus	V		50
124	AIDusty	0	0	Justine Ryan Diaz	8	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	0
124	RandomGuyJCI	0	0	Jairus Carle Isaguirre	8	Romar Jan Ubaldo	Philippine Science High School - Ilocos Region Campus	I	0
124	VienCastroverde	0	0	Vivien Castroverde	8	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	0
124	koalabear08	0	0	Zander Ellis Sy	9		Xavier School San Juan	NCR	0
124	ktnxbye	0	0	Kendra Yascha-Leif Jacobe	8	Cary Von Alano	Philippine Science High School - Eastern Visayas Campus	VIII	0
124	segchua22	0	0	Sean Eugene Chua	9		Xavier School San Juan	NCR	0
124	tim_cheng	0	0	Tim Sabien Cheng	8		Xavier School San Juan	NCR	0

NOI.PH 2019 Onsite Final Round Official Contestants

In no particular order, here is the list of students who qualify for the NOI.PH 2019 Onsite Final Round as official contestants. Participants who may be invited as observers are not shown in this list.

Al Christian Mabute (Grade 11)
Philippine Science High School – Bicol Region Campus
Coach: John Rainer Joaquin
Allen Adrian Solis (Grade 11)
Philippine Science High School – SOCCSKSARGEN Region Campus
Coach: Sheena Dawn Ferraren
Clyde Courtney Jallorina (Grade 12)
Philippine Science High School – Main Campus
Clyde Lawrence Borrega (Grade 9)
Philippine Science High School – Bicol Region Campus
Coach: John Rainer Joaquin
Dan Alden Baterisna (Grade 11)
De La Salle University – Taft
Daniella Joan Francisco (Grade 10)
Philippine Science High School – SOCCSKSARGEN Region Campus
Coach: Sheena Dawn Ferraren
Dion Stephan Ong (Grade 11)
Ateneo de Manila Senior High School
Frederick Ivan Michael Tan (Grade 9)
Philippine Science High School – Main Campus
Gregory William Joseph Liu (Grade 12)
Philippine Science High School – Central Visayas Campus
Coach: Felix Calvo
Immanuel Josiah Balete (Grade 10)
St. Stephen’s High School
Coach: Agnes Panes
John Angelo Oringo (Grade 9)
Philippine Science High School – Bicol Region Campus
Coach: John Rainer Joaquin
John Eric Estrada (Grade 9)
Philippine Science High School – Bicol Region Campus
Coach: John Rainer Joaquin
Justin Tan (Grade 12)
Ateneo de Manila Senior High School
Kirby Chua (Grade 12)
Xavier School San Juan
Marc Joshua Ayalde (Grade 11)
Philippine Science High School – SOCCSKSARGEN Region Campus
Coach: Sheena Dawn Ferraren
Mark Angelo Landingin (Grade 11)
Philippine Science High School – CAR Campus
Coach: Pablo Viloria, Jr.
Mark Nicholas Cagas (Grade 10)
Manila Science High School
Coach: Romer Abella
Michael Jay Zamoras (Grade 10)
Philippine Science High School – Eastern Visayas Campus
Coach: Cary Von Alano
Philmon Sedrick Wee (Grade 11)
Xavier School San Juan
Rae Gabriel Samonte (Grade 11)
Philippine Science High School – Bicol Region Campus
Coach: John Rainer Joaquin
Raphael Dylan Dalida (Grade 8)
Philippine Science High School – Main Campus
Richwynn Cedric Ong (Grade 10)
Xavier School San Juan
Ron Mikhael Surara (Grade 11)
Philippine Science High School – Bicol Region Campus
Coach: John Rainer Joaquin
Ryan Mark Shao (Grade 12)
Xavier School San Juan
Sheen Santos Capadngan (Grade 9)
Philippine Science High School – Central Visayas Campus
Coach: Felix Calvo
Steven Chua (Grade 11)
British School Manila
Steven Reyes (Grade 10)
Saint Jude Catholic School
Vash Patrick Ancheta (Grade 11)
Philippine Science High School – CAR Campus
Coach: Pablo Viloria, Jr.
Vaughn Matthew Valle (Grade 9)
Philippine Science High School – Central Visayas Campus
Coach: Felix Calvo
Vincent Dela Cruz (Grade 10)
Valenzuela City School of Mathematics and Science

They will all advance to the Final Round in April, one step closer to the International Olympiad in Informatics 2019 (IOI 2019) in Baku, Azerbaijan!

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