Media Summary: Hello everybody in this lecture we will be solving We present three different solutions to the very first - and widely considered to be the easiest - A line is "sunny" if it avoids three simple directions. How many sunny lines can you use to cover a triangular grid of points?

1999 Imo Problem 1 - Detailed Analysis & Overview

Hello everybody in this lecture we will be solving We present three different solutions to the very first - and widely considered to be the easiest - A line is "sunny" if it avoids three simple directions. How many sunny lines can you use to cover a triangular grid of points? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa Broadcasted at which runs Fridays 8pm ... Hello everybody in this lecture we will be solving 1995 Hello everybody in this lecture we will be solving 1998

Online Resources: + AOPS Community, Contest Collections for the Hello everybody in this lecture we will be solving 1973 Hello everybody uh in this lecture we will be solving 1997

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1999 IMO Problem #1
[Very first IMO problem in history] 1959 IMO Problem #1
An IMO Divisibility Problem [IMO 1964 Problem 1]
The unexpectedly hard windmill question (2011 IMO, Q2)
Solving the 2006 IMO Problems: Day 1
Solving a Famous IMO Problem (The Sunny Lines | IMO 2025 Problem 1)
IMO 1999/1: SOLID GEO??
1999 IMO Problem #2
1995 IMO Problem #1
1998 IMO Problem #1
1959 IMO Problem #1
1973 IMO Problem #1
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1999 IMO Problem #1

1999 IMO Problem #1

Hello everybody in this lecture we will be solving

[Very first IMO problem in history] 1959 IMO Problem #1

[Very first IMO problem in history] 1959 IMO Problem #1

We present three different solutions to the very first - and widely considered to be the easiest -

An IMO Divisibility Problem [IMO 1964 Problem 1]

An IMO Divisibility Problem [IMO 1964 Problem 1]

Today we solve

The unexpectedly hard windmill question (2011 IMO, Q2)

The unexpectedly hard windmill question (2011 IMO, Q2)

The famous (infamous?) "windmill"

Solving the 2006 IMO Problems: Day 1

Solving the 2006 IMO Problems: Day 1

The 2006 US

Solving a Famous IMO Problem (The Sunny Lines | IMO 2025 Problem 1)

Solving a Famous IMO Problem (The Sunny Lines | IMO 2025 Problem 1)

A line is "sunny" if it avoids three simple directions. How many sunny lines can you use to cover a triangular grid of points?

IMO 1999/1: SOLID GEO??

IMO 1999/1: SOLID GEO??

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa Broadcasted at https://www.twitch.tv/vEnhance which runs Fridays 8pm ...

1999 IMO Problem #2

1999 IMO Problem #2

Hello everybody in this lecture we will be solving

1995 IMO Problem #1

1995 IMO Problem #1

Hello everybody in this lecture we will be solving 1995

1998 IMO Problem #1

1998 IMO Problem #1

Hello everybody in this lecture we will be solving 1998

1959 IMO Problem #1

1959 IMO Problem #1

Online Resources: + AOPS Community, Contest Collections for the

1973 IMO Problem #1

1973 IMO Problem #1

Hello everybody in this lecture we will be solving 1973

1997 IMO Problem #1

1997 IMO Problem #1

Hello everybody uh in this lecture we will be solving 1997