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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 400 - Unix ls 31493
40.62%
6503
87.21%
FILE 401 - Palindromes 112621
28.10%
21833
82.09%
FILE 402 - M*A*S*H 12237
19.49%
3038
48.62%
FILE 403 - Postscript 3366
22.37%
1123
58.15%
FILE 404 - Radar Scopes 1202
12.73%
361
34.90%
FILE 405 - Message Routing 1284
34.50%
523
74.19%
FILE 406 - Prime Cuts 57223
27.14%
12714
74.58%
FILE 407 - Gears on a Board 1482
16.46%
391
50.90%
FILE 408 - Uniform Generator 33535
33.42%
10196
74.16%
FILE 409 - Excuses, Excuses! 19002
32.86%
5197
83.09%
FILE 410 - Station Balance 15422
25.87%
3407
70.65%
FILE 411 - Centipede Collisions 794
30.73%
345
63.77%
FILE 412 - Pi 28761
38.84%
8963
84.67%
FILE 413 - Up and Down Sequences 4171
46.80%
2052
80.51%
FILE 414 - Machined Surfaces 32641
42.22%
10806
92.23%
FILE 415 - Sunrise 1113
45.37%
351
71.51%
FILE 416 - LED Test 4731
38.47%
1789
84.46%
FILE 417 - Word Index 16634
67.02%
7560
95.32%
FILE 418 - Molecules 1697
55.63%
618
87.06%
FILE 419 - Matching Meetings 801
25.59%
271
63.84%
FILE 420 - Supercomputer Selection, The Sequel 280
49.64%
171
71.35%
FILE 421 - Polygonal Puzzle 491
24.64%
189
53.97%
FILE 422 - Word-Search Wonder 5510
53.10%
2637
90.25%
FILE 423 - MPI Maelstrom 9261
52.42%
3623
92.58%
FILE 424 - Integer Inquiry 44248
43.66%
15445
88.81%
FILE 425 - Enigmatic Encryption 1511
30.77%
358
74.58%
FILE 426 - Fifth Bank of Swamp County 2267
19.14%
601
45.59%
FILE 427 - FlatLand Piano Movers 1416
43.57%
576
80.38%
FILE 428 - Swamp County Roofs 856
44.51%
423
77.78%
FILE 429 - Word Transformation 24283
30.48%
5668
80.61%
FILE 430 - Swamp County Supervisors 1338
26.91%
353
57.22%
FILE 431 - Trial of the Millennium 2447
14.14%
376
48.14%
FILE 432 - Modern Art 1062
40.21%
376
69.68%
FILE 433 - Bank (Not Quite O.C.R.) 1878
35.89%
663
75.87%
FILE 434 - Matty's Blocks 3330
41.89%
1281
81.34%
FILE 435 - Block Voting 4369
51.50%
1785
87.06%
FILE 436 - Arbitrage (II) 5669
45.19%
1997
88.43%
FILE 437 - The Tower of Babylon 20474
57.79%
5701
93.18%
FILE 438 - The Circumference of the Circle 14889
67.06%
7810
94.67%
FILE 439 - Knight Moves 41194
57.46%
12464
94.17%
FILE 440 - Eeny Meeny Moo 10761
69.32%
5327
94.29%
FILE 441 - Lotto 37890
43.10%
12610
82.74%
FILE 442 - Matrix Chain Multiplication 18293
64.90%
6007
94.42%
FILE 443 - Humble Numbers 18857
43.81%
6693
89.27%
FILE 444 - Encoder and Decoder 25491
31.05%
6962
80.19%
FILE 445 - Marvelous Mazes 41140
41.40%
12602
87.49%
FILE 446 - Kibbles "n" Bits "n" Bits "n" Bits 16269
48.95%
6099
93.43%
FILE 447 - Population Explosion 3478
23.20%
1181
54.53%
FILE 448 - OOPS! 5268
47.87%
1403
81.97%
FILE 449 - Majoring in Scales 2047
28.72%
540
51.11%
FILE 450 - Little Black Book 13361
30.43%
2291
83.37%
FILE 451 - Poker Solitaire Evaluator 2033
22.87%
476
67.23%
FILE 452 - Project Scheduling 6583
33.04%
1792
84.21%
FILE 453 - Intersecting Circles 8752
8.38%
1075
35.44%
FILE 454 - Anagrams 14272
20.73%
3351
68.10%
FILE 455 - Periodic Strings 111206
23.77%
14309
72.88%
FILE 456 - Robotic Stacker 337
42.73%
166
50.00%
FILE 457 - Linear Cellular Automata 12946
37.29%
3758
85.39%
FILE 458 - The Decoder 93473
46.55%
32826
92.50%
FILE 459 - Graph Connectivity 54320
27.65%
10670
79.04%
FILE 460 - Overlapping Rectangles 13178
27.16%
3659
72.92%
FILE 461 - The Reservation Maker 88
3.41%
47
6.38%
FILE 462 - Bridge Hand Evaluator 9837
33.74%
3061
83.53%
FILE 463 - Polynomial Factorization 567
12.52%
80
30.00%
FILE 464 - Sentence/Phrase Generator 1847
32.11%
518
72.01%
FILE 465 - Overflow 35643
21.66%
6271
69.26%
FILE 466 - Mirror, Mirror 4377
55.47%
2073
90.55%
FILE 467 - Synching Signals 3791
44.45%
1127
89.44%
FILE 468 - Key to Success 5296
22.83%
1613
57.84%
FILE 469 - Wetlands of Florida 26164
27.75%
5851
77.78%
FILE 470 - Nasty Virus 147
2.04%
46
6.52%
FILE 471 - Magic Numbers 9847
31.31%
2672
74.51%
FILE 472 - Simultaneous Equations 419
10.98%
64
39.06%
FILE 473 - Raucous Rockers 5102
27.77%
907
75.30%
FILE 474 - Heads / Tails Probability 11946
38.50%
2767
83.88%
FILE 475 - Wild Thing 1216
21.71%
225
55.56%
FILE 476 - Points in Figures: Rectangles 33062
40.78%
9592
91.57%
FILE 477 - Points in Figures: Rectangles and Circles 15630
58.85%
6804
94.72%
FILE 478 - Points in Figures: Rectangles, Circles, Triangles 15243
42.87%
4591
89.89%
FILE 479 - Irrigation Flow Rates 129
11.63%
80
12.50%
FILE 480 - Tempus Fugit 158
18.99%
60
18.33%
FILE 481 - What Goes Up 35924
26.97%
8021
74.17%
FILE 482 - Permutation Arrays 39137
24.86%
8443
76.84%
FILE 483 - Word Scramble 60500
43.13%
19533
87.59%
FILE 484 - The Department of Redundancy Department 42972
45.73%
11686
90.27%
FILE 485 - Pascal's Triangle of Death 13639
31.80%
3998
65.33%
FILE 486 - English-Number Translator 9111
38.76%
2721
76.30%
FILE 487 - Boggle Blitz 4964
38.54%
1173
65.47%
FILE 488 - Triangle Wave 120407
23.91%
24874
72.87%
FILE 489 - Hangman Judge 61427
32.08%
13462
75.55%
FILE 490 - Rotating Sentences 59593
31.93%
14606
82.50%
FILE 491 - Tile Topology 890
26.97%
313
61.66%
FILE 492 - Pig-Latin 54727
24.27%
9677
77.54%
FILE 493 - Rational Spiral 2626
38.27%
717
80.61%
FILE 494 - Kindergarten Counting Game 95160
39.18%
29946
88.63%
FILE 495 - Fibonacci Freeze 73070
27.09%
16081
70.03%
FILE 496 - Simply Subsets 13232
48.07%
4565
88.54%
FILE 497 - Strategic Defense Initiative 29601
24.07%
5811
73.40%
FILE 498 - Polly the Polynomial 14295
39.55%
4605
77.94%
FILE 499 - What's The Frequency, Kenneth? 22900
58.14%
11330
94.09%
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