ID Problem
3304 D3981   Little C Loves 3 I
3305 D3982   Build String
3306 D3983   Minimum Value Rectangle
3307 D3984   The Diversity of Prime Factorization
3308 D3985   Vanya and Cubes
3309 D3986   Text Justification
3310 D3987   Nauuo and Portals
3311 D3988   Connect Cities
3312 D3989   Where is the Boundary
3313 D3990   Common Divisors
3314 D3991   Unordered Operators
3315 D3992   Spot The Difference
3316 D3993   Lottery
3317 D3994   Duff in Beach
3318 D3995   Pastoral Oddities
3319 D3996   Almost Increasing Array
3320 D3997   Red and Green Apples
3321 D3998   Black Radius
3322 D3999   Selling Numbers
3323 D4000   Mislove Has Lost an Array
3324 D4001   gacha
3325 D4002   Pictures with Kittens (hard version)
3326 D4003   Diagonal Walking v.2
3327 D4004   Strange Sorting
3328 D4005   Dividing Kingdom
3329 D4006   Ryouko's Memory Note
3330 D4008   Poor Penguin
3331 D4009   El Toll Caves
3332 D4010   Special Edges
3333 D4011   Air Pollution
3334 D4012   Serge and Dining Room
3335 D4013   Little Elephant and Interval
3336 D4014   Asterism (Easy Version)
3337 D4015   Distance
3338 D4016   A Student's Dream
3339 D4017   Napoleon's Grumble
3340 D4018   Furlo and Rublo and Game
3341 D4019   Irreversible operation
3342 D4020   George and Interesting Graph
3343 D4021   Joker
3344 D4022   On Number of Decompositions into Multipliers
3345 D4023   Popularity Estimation
3346 D4024   Dimension travel
3347 D4025   Books Queries
3348 D4026   Subject Competition
3349 D4037   Tournament Chart
3350 D4038   Anipero
3351 D4039   Lookup Tables
3352 D4040   The Labyrinth
3353 D4041   Thread Tree
3354 D4042   Vlad and Cafes
3355 D4043   Diversity
3356 D4044   Bug in Code
3357 D4045   Continuous City
3358 D4046   Cone Cut
3359 D4047   Digits Parade
3360 D4048   Souvenirs
3361 D4049   Prefix Flip (Hard Version)
3362 D4050   Complete Compress
3363 D4051   Buffet
3364 D4052   Network Mask
3365 D4053   Nauuo and Circle
3366 D4054   Continued Fractions
3367 D4055   Squares
3368 D4056   Wizard in Maze
3369 D4057   Toggling Cases
3370 D4058   Perfect Team
3371 D4059   String Deletion
3372 D4060   Hills
3373 D4061   Alpha planetary system
3374 D4062   Nagini
3375 D4063   Nickname
3376 D4064   Maximum Element
3377 D4071   Brainf*ck
3378 D4072   Avoiding Collision
3379 D4073   Russian Flag
3380 D4074   Nezzar and Symmetric Array
3381 D4075   New Year and Fireworks
3382 D4076   Producing Snow
3383 D4077   Forest
3384 D4078   Chemical table
3385 D4079   Knapsack for All Segments
3386 D4080   President's Path
3387 D4081   Put Knight!
3388 D4082   Clusterization Counting
3389 D4083   Fence
3390 D4084   You Are Given Some Strings...
3391 D4085   Orac and Game of Life
3392 D4086   Toy Train (Simplified)
3393 D4087   Beautiful Sets of Points
3394 D4088   Linear Kingdom Races
3395 D4090   Domino
3396 D4091   Gennady and a Card Game
3397 D4092   Spaceship Solitaire
3398 D4093   Where do I Turn?
3399 D4094   Kicker
3400 D4095   Map
3401 D4096   Hexagons
3402 D4097   Polycarpus is Looking for Good Substrings
3403 D4098   Squid Multiplication

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