Destroy the Moon to Save the Earth
Dijkstractions
Go Boards
Wuymul Wixcha
Edid Tistance
Travel Planning
A Giveaway
Game of XOR
National Bomb Defusing Squad
Rational Grading
Balanced String
Number of Connected Components
Extreme XOR Sum
Harmonic Matrix
In the Kingdom of Hirak
Prime Distance
8-ball Rack
Within Arm’s Reach
Bribing Eve
Candle Box
Dinner Bet
Passwords
Performance Review
Cairo Corridor
Pascal’s Hyper-Pyramids
The White Rabbit Pocket Watch Alice: How can it be?
Risky Lottery
Balls and Needles
Verbal arithmetic
Pixel Art
The music teacher
Secret Santa
The entertainment of machines
Children to the top
Chocolate with almonds
Orchestral scores
Is it multiple of 3?
Smarter than hunger
The countess’ pearls
Sleeping in hostels
Tobby’s Ancestors
Tobby and Array
Counting Edges and Graphs
DPA Numbers I
Tobby and the quaseEquals strings
Felipe and the Sequence
Rectangular Sum
Humbertov and the Triangular Spiral
Rockabye Tobby
Tobby Primes
Tobby and the Skeletons
Rotations
DPA Numbers II
Logical Equivalence
Solve this Equation
Cuberoot This
Knight on Wide Board
Circles in Ellipse
Super Gifts
Sparse Domino Tiling
Firefighting Heroes
Disk Madness
Count these Permutations
Antivirus
Beautiful Triad
AirCraft: Monster
Drought In Nlogonia
My Password is a Palindromic Prime Number
Macarons in La Fête
Geonosis
How many inversions?
Quidditch Match
The Robot’s Grid
Polygonal Park
Problem with a ridiculously long name but with a ridiculously short description
Amazing Function The function F(n) is defined as:
Broken Calculator Keys
Cats and Vets
Delicious Binary Strings
Elegant Pillars
Faster Networks
Graph Colorings
Hobbit’s Resistor Graphs
Incredible Sums
Just Pentagon Perimeter
Katrina’s Shadow
Laser Avoidance
Alice’s Travels
Brackets Everywhere
Catch the Rats
Do Pillars Again
Easy Permutation Problem
Fantastic Sorting Algorithm
Graph Cut of Maximum XOR Weight
Hedgehogs Communicate
Intersecting Semi-Circles
Just More Permutations
Kid’s Simple Puzzle Problem
Looking at Divisors
Blade Ranas 2040
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