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2026-08-O2 Class

Lessons

Chapter Week Code Topic Dates
Strategy 1 S1 Data Extraction Aug 16
2 S2 Advanced Induction Aug 23
Proofs 3 S3 Getting Partial Marks Aug 30
Contest 4 S4 PROBLEM SET & CONTEST Sep 06
Combinatorics 5 C1 Advanced Double Counting Sep 13
6 C2 Intermediate Bijections Sep 20
7 C3 Intermediate Invariants Sep 27
8 C4 Intermediate Graph Theory Oct 04
9 C5 Combinatorial Geometry Oct 11
10 C6 Game Theory Oct 18
11 C7 Processes Oct 25
12 C8 PROBLEM SET & CONTEST Nov 01
Algebra 13 A1 Integer Polynomials Nov 08
14 A2 Real Polynomials Nov 15
15 A3 Intermediate Inequalities 1 Nov 22
16 A4 Intermediate Inequalities 2 Nov 29
17 A5 Sequence Problems Dec 06
18 A6 Intermediate FEs 1 Dec 13
19 A7 Intermediate FEs 2 Dec 20
20 A8 PROBLEM SET & CONTEST Dec 27
BREAK (3 weeks)
Number Theory 21 N1 Advanced Divisibility Jan 24
22 N2 Advanced Modular Arithmetic Jan 31
23 N3 p-adic valuation Feb 07
24 N4 Intermediate DEs Feb 14
25 N5 Constructions in Number Theory Feb 21
26 N6 Dealing with floor function Feb 28
27 N7 Dealing with digits Mar 07
28 N8 PROBLEM SET & CONTEST Mar 14
Geometry 29 G1 Dealing with Equal Angles Mar 21
30 G2 Homothety Mar 28
31 G3 Spiral Symmetry Apr 04
32 G4 Constructing Points and Lines Apr 11
33 G5 Ceva and Menalaus Apr 18
34 G6 Moving Points Around Apr 25
35 G7 Trig Bashing May 02
36 G8 PROBLEM SET & CONTEST May 09
Strategy 37 P1 Intermediate Extremal Principle May 16
38 S5 Visualisations May 23
39 S6 Counterexamples and Metaproofs May 30
Contest 40 T1 PROBLEM SET & FINAL CONTEST Jun 06