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Volume 4 (400-499)
Problem ID
Title
Solution by
Most Popular Input by
400
Unix ls
forthright48
UVa Online Judge
401
Palindromes
uDebug
morris821028
402
M*A*S*H
forthright48
Anjupiter
403
Postscript
Anjupiter
Anjupiter
404
Radar Scopes
UVa Online Judge
UVa Online Judge
405
Message Routing
UVa Online Judge
brianfry713
406
Prime Cuts
uDebug
uDebug
407
Gears on a Board
UVa Online Judge
UVa Online Judge
408
Uniform Generator
abhiramn
mbstu_nitai
409
Excuses, Excuses!
uDebug
arash16
410
Station Balance
forthright48
UVa Online Judge
411
Centipede Collisions
UVa Online Judge
UVa Online Judge
412
Pi
forthright48
heo001997
413
Up and Down Sequences
forthright48
anacharsis
414
Machined Surfaces
uDebug
uDebug
415
Sunrise
UVa Online Judge
UVa Online Judge
416
LED Test
fire_bot
Batman
417
Word Index
uDebug
uDebug
418
Molecules
UVa Online Judge
bryton
419
Matching Meetings
UVa Online Judge
UVa Online Judge
420
Supercomputer Selection, The Sequel
UVa Online Judge
Add input
421
Polygonal Puzzle
UVa Online Judge
Add input
422
Word-Search Wonder
forthright48
brianfry713
423
MPI Maelstrom
forthright48
Anjupiter
424
Integer Inquiry
uDebug
brianfry713
425
Enigmatic Encryption
UVa Online Judge
Add input
426
Fifth Bank of Swamp County
forthright48
UVa Online Judge
427
FlatLand Piano Movers
UVa Online Judge
metaphysis
428
Swamp County Roofs
UVa Online Judge
brianfry713
429
Word Transformation
forthright48
brianfry713
430
Swamp County Supervisors
UVa Online Judge
Add input
431
Trial of the Millennium
dibery
UVa Online Judge
432
Modern Art
UVa Online Judge
UVa Online Judge
433
Bank (Not Quite O.C.R.)
UVa Online Judge
Batman
434
Matty's Blocks
forthright48
UVa Online Judge
435
Block Voting
forthright48
Morass
436
Arbitrage (II)
forthright48
Anjupiter
437
The Tower of Babylon
forthright48
Morass
438
The Circumference of the Circle
Rafa3p
Rafa3p
439
Knight Moves
forthright48
feodorv
440
Eeny Meeny Moo
dibery
Anjupiter
441
Lotto
forthright48
uDebug
442
Matrix Chain Multiplication
forthright48
UVa Online Judge
443
Humble Numbers
uDebug
Morass
444
Encoder and Decoder
abhiramn
UVa Online Judge
445
Marvelous Mazes
uDebug
brianfry713
446
Kibbles "n" Bits "n" Bits "n" Bits
uDebug
UVa Online Judge
447
Population Explosion
BelgianFries
Anjupiter
448
OOPS!
UVa Online Judge
feodorv
449
Majoring in Scales
UVa Online Judge
bryton
450
Little Black Book
uDebug
uDebug
451
Poker Solitaire Evaluator
UVa Online Judge
Anjupiter
452
Project Scheduling
ak92thelooser
brianfry713
453
Intersecting Circles
UVa Online Judge
Morass
454
Anagrams
uDebug
uDebug
455
Periodic Strings
forthright48
taher144
456
Robotic Stacker
UVa Online Judge
brianfry713
457
Linear Cellular Automata
uDebug
uDebug
458
The Decoder
uDebug
luiscbr92
459
Graph Connectivity
forthright48
UVa Online Judge
460
Overlapping Rectangles (1)
forthright48
Morass
461
The Reservation Maker
UVa Online Judge
txomin2091
462
Bridge Hand Evaluator
dibery
brianfry713
463
Polynomial Factorization
UVa Online Judge
UVa Online Judge
464
Sentence/Phrase Generator
UVa Online Judge
UVa Online Judge
465
Overflow
morris821028
Morass
466
Mirror, Mirror
forthright48
UVa Online Judge
467
Synching Signals
uDebug
uDebug
468
Key to Success
forthright48
Anjupiter
469
Wetlands of Florida
brianfry713
uDebug
470
Nasty Virus
UVa Online Judge
Add input
471
Magic Numbers
uDebug
uDebug
472
Simultaneous Equations
UVa Online Judge
Add input
473
Raucous Rockers
forthright48
Anjupiter
474
Heads / Tails Probability
abhiramn
cyktsui
475
Wild Thing
UVa Online Judge
UVa Online Judge
476
Points in Figures: Rectangles
forthright48
MatthewK
477
Points in Figures: Rectangles and Circles
dibery
s9801077
478
Points in Figures: Rectangles, Circles, Triangles
lamphanviet
khalilw1
479
Irrigation Flow Rates
try
Add input
480
Tempus Fugit
UVa Online Judge
brianfry713
481
What Goes Up
forthright48
Morass
482
Permutation Arrays
uDebug
UVa Online Judge
483
Word Scramble
uDebug
uDebug
484
The Department of Redundancy Department
uDebug
taher144
485
Pascal's Triangle of Death
forthright48
--
486
English-Number Translator
uDebug
UVa Online Judge
487
Boggle Blitz
forthright48
Morass
488
Triangle Wave
shakil_AUST
uDebug
489
Hangman Judge
uDebug
bryton
490
Rotating Sentences
uDebug
uDebug
491
Tile Topology
UVa Online Judge
RandyW
492
Pig-Latin
uDebug
uDebug
493
Rational Spiral
Anjupiter
UVa Online Judge
494
Kindergarten Counting Game
abhiramn
uDebug
495
Fibonacci Freeze
uDebug
uDebug
496
Simply Subsets
Rafik Farhad
Morass
497
Strategic Defense Initiative
forthright48
brianfry713
498
Polly the Polynomial
forthright48
Morass
499
What's The Frequency, Kenneth?
uDebug
UVa Online Judge