EGOI HAITI
Haiti Girls' Informatics Olympiad • National Team Selection
A free national competition for girls in Haiti, up to 21 years old, to choose the 4 students who will represent Haiti at the European Girls' Olympiad in Informatics (EGOI 2027) in Warsaw, Poland.
National Selection Mandate: Official selection and training program organized and fully funded by Stratiums Technologies through Youth Tech Initiative (YTI). EGOI and its official logo are the property of the European Girls' Olympiad in Informatics (egoi.org).
3 Steps to Haiti's EGOI Team
Open Qualifier
- Sunday, January 17, 2027 · 3 hours
- Online, on the contest system, from home, school or a cybercafé anywhere in Haiti
- Open to all girls up to age 21 who register by January 14, 2027
HGIO National Final
- January 30–31, 2027 · 4 hours each day
- In person, supervised, at YTI Jacmel or a partner center
- 20 finalists: the top 20 from the online qualification (all registered girls including the YTI cohort)
Haiti's Team of 4
- Announced Monday, February 1, 2027
- Intensive training from February to mid-May
- EGOI 2027 in Warsaw, Poland 🇵🇱 — dates to be announced
About the YTI training cohort: 10 girls aged 14 to 19 benefit from a hybrid training program starting in November with YTI. They are not exempt from the qualification: they take the online qualifier on January 17 alongside all other participants. The top 20 overall qualify for the national final.
Haiti's Road to EGOI
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Nov 7 – Dec 19, 2026
Phase 1 · Hybrid training
Saturdays 3 – 6 pm in person, and Wednesdays 4 – 5:30 pm on Discord.
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Dec 26, 2026 & Jan 2, 2027
Holiday break · no sessions
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Jan 9 – 27, 2027
Phase 2 · Accelerated training
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Thursday, Jan 14, 2027 · 11:59 pm
Registration closes
Haiti time. Contest logins are sent before the qualifier.
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Sunday, Jan 17, 2027
Open qualifier · online · 3 hours
For all registered girls (the 10 girls of the YTI cohort also participate and are not exempt). The top 20 go to the final.
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Jan 30 – 31, 2027
HGIO national final · in person · 2 × 4 hours
20 finalists, at YTI Jacmel or a partner center.
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Monday, Feb 1, 2027
Haiti's team of 4 announced
Schengen visa applications for Poland start right away.
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February – mid-May 2027
Training camp & preparation
Training camp bringing together the 4 selected students and the 10 cohort girls, with a mock contest every other Sunday: intensive preparation for EGOI 2027 in Poland and continuous training for EGOI 2028 in Kosovo.
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Dates to be announced
EGOI 2027 · Warsaw, Poland 🇵🇱
The 2026 edition took place in mid-May.
What to Study
The same syllabus for every candidate, aligned with the official IOI syllabus. Contests are algorithmic problems solved with a program.
Discrete Mathematics & Number Theory
Logical and arithmetic foundations essential for solving olympiad problems.
- Modular arithmetic, parity, divisibility
- Prime numbers & Sieve of Eratosthenes
- Euclid's GCD & Fast exponentiation
- Pigeonhole principle & Combinatorics
Competitive C++ & Data Structures
Mastery of the standard olympiad language and core structures to organize data.
- C++ STL, Fast I/O, 64-bit integers
- Stacks, Queues, Heaps & Priority Queues
- Union-Find (DSU with path compression)
- Segment Trees & Fenwick Trees
Algorithms, Graphs & Dynamic Programming
Optimization and search paradigms engineered to overcome strict time limits.
- Binary search (Binary Search on Answer)
- BFS / DFS traversals & Topological sort
- Shortest paths (Dijkstra, Bellman-Ford)
- Dynamic programming (Knapsack, LIS, subsets)
Contest Tactics & Stress-Testing
Competition techniques to maximize points during 5-hour official contest rounds.
- Subtask optimization & partial scoring
- Test case generator & Stress-testing
- Edge case handling (N=1, zero, overflow)
- Composure & 5-hour time management
Register for the HGIO Qualifier
For girls in Haiti aged 14 to 21 (girls who turn 14 by January 31, 2027 may also register). Register by Thursday, January 14, 2027 at 11:59 pm (Haiti time). The qualifier takes place online on Sunday, January 17, 2027. Candidates under 18 need a parent or legal guardian's consent.