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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
400 - Unix ls | 32017 |
40.79%
|
6630 |
87.27%
|
|
|
401 - Palindromes | 116224 |
28.21%
|
22272 |
82.21%
|
|
|
|
402 - M*A*S*H | 12389 |
19.49%
|
3054 |
48.76%
|
|
|
|
403 - Postscript | 3416 |
22.42%
|
1134 |
58.38%
|
|
|
|
404 - Radar Scopes | 1204 |
12.71%
|
363 |
34.71%
|
|
|
|
405 - Message Routing | 1320 |
34.70%
|
534 |
73.97%
|
|
|
|
406 - Prime Cuts | 59100 |
27.33%
|
12904 |
74.71%
|
|
|
|
407 - Gears on a Board | 1491 |
16.57%
|
398 |
50.50%
|
|
|
|
408 - Uniform Generator | 36041 |
32.79%
|
10526 |
74.26%
|
|
|
|
409 - Excuses, Excuses! | 19186 |
33.07%
|
5240 |
83.03%
|
|
|
|
410 - Station Balance | 16058 |
25.82%
|
3488 |
70.64%
|
|
|
|
411 - Centipede Collisions | 798 |
30.70%
|
349 |
63.32%
|
|
|
|
412 - Pi | 29687 |
38.69%
|
9134 |
84.74%
|
|
|
|
413 - Up and Down Sequences | 4191 |
46.86%
|
2063 |
80.51%
|
|
|
|
414 - Machined Surfaces | 33230 |
42.13%
|
10956 |
92.12%
|
|
|
|
415 - Sunrise | 1123 |
45.06%
|
356 |
70.79%
|
|
|
|
416 - LED Test | 4851 |
38.12%
|
1809 |
84.36%
|
|
|
|
417 - Word Index | 17240 |
66.98%
|
7704 |
95.25%
|
|
|
|
418 - Molecules | 1714 |
55.43%
|
623 |
86.84%
|
|
|
|
419 - Matching Meetings | 906 |
24.39%
|
293 |
63.48%
|
|
|
|
420 - Supercomputer Selection, The Sequel | 284 |
48.94%
|
174 |
70.11%
|
|
|
|
421 - Polygonal Puzzle | 495 |
24.85%
|
193 |
53.89%
|
|
|
|
422 - Word-Search Wonder | 5582 |
53.19%
|
2667 |
90.25%
|
|
|
|
423 - MPI Maelstrom | 10209 |
51.72%
|
3719 |
92.42%
|
|
|
|
424 - Integer Inquiry | 44564 |
43.76%
|
15514 |
88.83%
|
|
|
|
425 - Enigmatic Encryption | 1521 |
30.77%
|
361 |
74.24%
|
|
|
|
426 - Fifth Bank of Swamp County | 2307 |
19.12%
|
613 |
45.51%
|
|
|
|
427 - FlatLand Piano Movers | 1427 |
43.80%
|
583 |
80.45%
|
|
|
|
428 - Swamp County Roofs | 860 |
44.65%
|
427 |
77.75%
|
|
|
|
429 - Word Transformation | 25160 |
30.93%
|
5746 |
80.70%
|
|
|
|
430 - Swamp County Supervisors | 1342 |
26.97%
|
355 |
57.18%
|
|
|
|
431 - Trial of the Millennium | 2579 |
13.42%
|
389 |
46.53%
|
|
|
|
432 - Modern Art | 1083 |
39.52%
|
382 |
68.85%
|
|
|
|
433 - Bank (Not Quite O.C.R.) | 1905 |
36.01%
|
672 |
76.04%
|
|
|
|
434 - Matty's Blocks | 3354 |
41.95%
|
1289 |
81.38%
|
|
|
|
435 - Block Voting | 4429 |
51.48%
|
1804 |
87.14%
|
|
|
|
436 - Arbitrage (II) | 5818 |
45.86%
|
2048 |
88.62%
|
|
|
|
437 - The Tower of Babylon | 21662 |
57.93%
|
6036 |
93.22%
|
|
|
|
438 - The Circumference of the Circle | 15033 |
67.17%
|
7863 |
94.70%
|
|
|
|
439 - Knight Moves | 44289 |
57.52%
|
12874 |
94.07%
|
|
|
|
440 - Eeny Meeny Moo | 10818 |
69.29%
|
5345 |
94.26%
|
|
|
|
441 - Lotto | 39680 |
42.91%
|
12860 |
82.92%
|
|
|
|
442 - Matrix Chain Multiplication | 19026 |
64.87%
|
6146 |
94.42%
|
|
|
|
443 - Humble Numbers | 19079 |
43.82%
|
6734 |
89.28%
|
|
|
|
444 - Encoder and Decoder | 25608 |
31.07%
|
7000 |
80.23%
|
|
|
|
445 - Marvelous Mazes | 41477 |
41.42%
|
12683 |
87.51%
|
|
|
|
446 - Kibbles "n" Bits "n" Bits "n" Bits | 16345 |
48.98%
|
6132 |
93.36%
|
|
|
|
447 - Population Explosion | 3518 |
23.28%
|
1191 |
54.66%
|
|
|
|
448 - OOPS! | 5294 |
47.90%
|
1415 |
81.84%
|
|
|
|
449 - Majoring in Scales | 2067 |
28.79%
|
548 |
51.28%
|
|
|
|
450 - Little Black Book | 13456 |
30.59%
|
2319 |
83.35%
|
|
|
|
451 - Poker Solitaire Evaluator | 2064 |
22.92%
|
485 |
67.22%
|
|
|
|
452 - Project Scheduling | 6776 |
33.49%
|
1822 |
84.30%
|
|
|
|
453 - Intersecting Circles | 9302 |
8.58%
|
1096 |
35.77%
|
|
|
|
454 - Anagrams | 14754 |
20.63%
|
3371 |
68.17%
|
|
|
|
455 - Periodic Strings | 118734 |
23.92%
|
15025 |
73.00%
|
|
|
|
456 - Robotic Stacker | 348 |
42.53%
|
172 |
50.00%
|
|
|
|
457 - Linear Cellular Automata | 13170 |
37.09%
|
3800 |
85.39%
|
|
|
|
458 - The Decoder | 94931 |
46.34%
|
33041 |
92.45%
|
|
|
|
459 - Graph Connectivity | 58530 |
27.83%
|
10947 |
79.07%
|
|
|
|
460 - Overlapping Rectangles | 14267 |
27.50%
|
3765 |
73.17%
|
|
|
|
461 - The Reservation Maker | 99 |
3.03%
|
50 |
6.00%
|
|
|
|
462 - Bridge Hand Evaluator | 10164 |
33.48%
|
3122 |
83.34%
|
|
|
|
463 - Polynomial Factorization | 580 |
12.93%
|
84 |
30.95%
|
|
|
|
464 - Sentence/Phrase Generator | 1859 |
32.01%
|
520 |
71.92%
|
|
|
|
465 - Overflow | 35958 |
21.68%
|
6309 |
69.31%
|
|
|
|
466 - Mirror, Mirror | 4579 |
55.86%
|
2138 |
90.69%
|
|
|
|
467 - Synching Signals | 3863 |
44.47%
|
1152 |
89.24%
|
|
|
|
468 - Key to Success | 5366 |
22.90%
|
1622 |
57.95%
|
|
|
|
469 - Wetlands of Florida | 27307 |
27.78%
|
5923 |
77.75%
|
|
|
|
470 - Nasty Virus | 156 |
2.56%
|
53 |
7.55%
|
|
|
|
471 - Magic Numbers | 9965 |
31.29%
|
2697 |
74.56%
|
|
|
|
472 - Simultaneous Equations | 434 |
11.06%
|
67 |
40.30%
|
|
|
|
473 - Raucous Rockers | 5317 |
27.44%
|
949 |
75.34%
|
|
|
|
474 - Heads / Tails Probability | 12020 |
38.40%
|
2781 |
83.89%
|
|
|
|
475 - Wild Thing | 1250 |
21.52%
|
229 |
55.46%
|
|
|
|
476 - Points in Figures: Rectangles | 33955 |
40.95%
|
9746 |
91.55%
|
|
|
|
477 - Points in Figures: Rectangles and Circles | 15763 |
58.97%
|
6839 |
94.72%
|
|
|
|
478 - Points in Figures: Rectangles, Circles, Triangles | 15413 |
42.81%
|
4612 |
89.90%
|
|
|
|
479 - Irrigation Flow Rates | 138 |
11.59%
|
84 |
13.10%
|
|
|
|
480 - Tempus Fugit | 162 |
19.75%
|
64 |
20.31%
|
|
|
|
481 - What Goes Up | 37629 |
27.43%
|
8204 |
74.31%
|
|
|
|
482 - Permutation Arrays | 40103 |
24.90%
|
8559 |
76.85%
|
|
|
|
483 - Word Scramble | 61249 |
43.15%
|
19691 |
87.60%
|
|
|
|
484 - The Department of Redundancy Department | 46804 |
45.74%
|
11933 |
90.20%
|
|
|
|
485 - Pascal's Triangle of Death | 13690 |
31.80%
|
4005 |
65.37%
|
|
|
|
486 - English-Number Translator | 9327 |
38.78%
|
2747 |
76.30%
|
|
|
|
487 - Boggle Blitz | 5041 |
38.29%
|
1183 |
65.60%
|
|
|
|
488 - Triangle Wave | 122120 |
24.04%
|
25136 |
73.04%
|
|
|
|
489 - Hangman Judge | 63735 |
32.15%
|
13774 |
75.78%
|
|
|
|
490 - Rotating Sentences | 62453 |
32.51%
|
15146 |
82.83%
|
|
|
|
491 - Tile Topology | 945 |
25.71%
|
329 |
59.57%
|
|
|
|
492 - Pig-Latin | 56803 |
24.09%
|
9751 |
77.59%
|
|
|
|
493 - Rational Spiral | 2712 |
38.16%
|
723 |
80.64%
|
|
|
|
494 - Kindergarten Counting Game | 97384 |
39.47%
|
30183 |
88.62%
|
|
|
|
495 - Fibonacci Freeze | 73988 |
27.24%
|
16203 |
70.09%
|
|
|
|
496 - Simply Subsets | 13420 |
48.21%
|
4615 |
88.60%
|
|
|
|
497 - Strategic Defense Initiative | 30661 |
24.31%
|
5858 |
73.52%
|
|
|
|
498 - Polly the Polynomial | 14738 |
39.46%
|
4693 |
77.97%
|
|
|
|
499 - What's The Frequency, Kenneth? | 23323 |
58.38%
|
11442 |
94.10%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |