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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
400 - Unix ls | 31683 |
40.69%
|
6542 |
87.24%
|
|
|
401 - Palindromes | 113595 |
28.12%
|
21920 |
82.12%
|
|
|
|
402 - M*A*S*H | 12267 |
19.48%
|
3042 |
48.69%
|
|
|
|
403 - Postscript | 3374 |
22.47%
|
1127 |
58.30%
|
|
|
|
404 - Radar Scopes | 1203 |
12.72%
|
362 |
34.81%
|
|
|
|
405 - Message Routing | 1296 |
34.65%
|
528 |
74.05%
|
|
|
|
406 - Prime Cuts | 57762 |
27.13%
|
12749 |
74.56%
|
|
|
|
407 - Gears on a Board | 1484 |
16.44%
|
393 |
50.64%
|
|
|
|
408 - Uniform Generator | 34595 |
33.10%
|
10292 |
74.18%
|
|
|
|
409 - Excuses, Excuses! | 19078 |
32.96%
|
5207 |
83.04%
|
|
|
|
410 - Station Balance | 15576 |
25.91%
|
3429 |
70.66%
|
|
|
|
411 - Centipede Collisions | 794 |
30.73%
|
345 |
63.77%
|
|
|
|
412 - Pi | 29082 |
38.73%
|
9021 |
84.66%
|
|
|
|
413 - Up and Down Sequences | 4176 |
46.77%
|
2054 |
80.48%
|
|
|
|
414 - Machined Surfaces | 32788 |
42.23%
|
10835 |
92.19%
|
|
|
|
415 - Sunrise | 1121 |
45.05%
|
354 |
70.90%
|
|
|
|
416 - LED Test | 4751 |
38.58%
|
1798 |
84.48%
|
|
|
|
417 - Word Index | 16700 |
67.02%
|
7591 |
95.30%
|
|
|
|
418 - Molecules | 1698 |
55.65%
|
619 |
87.08%
|
|
|
|
419 - Matching Meetings | 801 |
25.59%
|
271 |
63.84%
|
|
|
|
420 - Supercomputer Selection, The Sequel | 283 |
49.12%
|
173 |
70.52%
|
|
|
|
421 - Polygonal Puzzle | 491 |
24.64%
|
189 |
53.97%
|
|
|
|
422 - Word-Search Wonder | 5544 |
53.07%
|
2652 |
90.23%
|
|
|
|
423 - MPI Maelstrom | 9628 |
52.33%
|
3649 |
92.52%
|
|
|
|
424 - Integer Inquiry | 44404 |
43.69%
|
15471 |
88.82%
|
|
|
|
425 - Enigmatic Encryption | 1511 |
30.77%
|
358 |
74.58%
|
|
|
|
426 - Fifth Bank of Swamp County | 2268 |
19.14%
|
602 |
45.51%
|
|
|
|
427 - FlatLand Piano Movers | 1422 |
43.74%
|
580 |
80.52%
|
|
|
|
428 - Swamp County Roofs | 859 |
44.70%
|
426 |
77.93%
|
|
|
|
429 - Word Transformation | 24436 |
30.55%
|
5687 |
80.66%
|
|
|
|
430 - Swamp County Supervisors | 1341 |
26.99%
|
354 |
57.34%
|
|
|
|
431 - Trial of the Millennium | 2464 |
14.04%
|
378 |
47.88%
|
|
|
|
432 - Modern Art | 1081 |
39.59%
|
380 |
69.21%
|
|
|
|
433 - Bank (Not Quite O.C.R.) | 1893 |
35.92%
|
668 |
76.05%
|
|
|
|
434 - Matty's Blocks | 3337 |
41.95%
|
1283 |
81.37%
|
|
|
|
435 - Block Voting | 4407 |
51.40%
|
1793 |
87.12%
|
|
|
|
436 - Arbitrage (II) | 5686 |
45.32%
|
2009 |
88.50%
|
|
|
|
437 - The Tower of Babylon | 20834 |
57.70%
|
5790 |
93.21%
|
|
|
|
438 - The Circumference of the Circle | 14926 |
67.09%
|
7825 |
94.68%
|
|
|
|
439 - Knight Moves | 42221 |
57.41%
|
12602 |
94.10%
|
|
|
|
440 - Eeny Meeny Moo | 10782 |
69.28%
|
5336 |
94.28%
|
|
|
|
441 - Lotto | 38244 |
43.08%
|
12663 |
82.77%
|
|
|
|
442 - Matrix Chain Multiplication | 18461 |
64.97%
|
6046 |
94.41%
|
|
|
|
443 - Humble Numbers | 18971 |
43.79%
|
6708 |
89.28%
|
|
|
|
444 - Encoder and Decoder | 25519 |
31.06%
|
6975 |
80.22%
|
|
|
|
445 - Marvelous Mazes | 41236 |
41.41%
|
12619 |
87.50%
|
|
|
|
446 - Kibbles "n" Bits "n" Bits "n" Bits | 16290 |
48.94%
|
6109 |
93.40%
|
|
|
|
447 - Population Explosion | 3496 |
23.23%
|
1186 |
54.72%
|
|
|
|
448 - OOPS! | 5282 |
47.90%
|
1408 |
82.03%
|
|
|
|
449 - Majoring in Scales | 2054 |
28.77%
|
543 |
51.20%
|
|
|
|
450 - Little Black Book | 13378 |
30.49%
|
2300 |
83.39%
|
|
|
|
451 - Poker Solitaire Evaluator | 2053 |
22.84%
|
478 |
67.36%
|
|
|
|
452 - Project Scheduling | 6666 |
33.27%
|
1806 |
84.22%
|
|
|
|
453 - Intersecting Circles | 8840 |
8.40%
|
1077 |
35.47%
|
|
|
|
454 - Anagrams | 14324 |
20.74%
|
3354 |
68.10%
|
|
|
|
455 - Periodic Strings | 114022 |
23.87%
|
14498 |
72.94%
|
|
|
|
456 - Robotic Stacker | 341 |
43.11%
|
168 |
50.60%
|
|
|
|
457 - Linear Cellular Automata | 12968 |
37.31%
|
3769 |
85.38%
|
|
|
|
458 - The Decoder | 93753 |
46.53%
|
32863 |
92.48%
|
|
|
|
459 - Graph Connectivity | 55979 |
27.69%
|
10745 |
79.10%
|
|
|
|
460 - Overlapping Rectangles | 13524 |
27.21%
|
3690 |
72.90%
|
|
|
|
461 - The Reservation Maker | 88 |
3.41%
|
47 |
6.38%
|
|
|
|
462 - Bridge Hand Evaluator | 9919 |
33.62%
|
3070 |
83.49%
|
|
|
|
463 - Polynomial Factorization | 570 |
12.46%
|
81 |
29.63%
|
|
|
|
464 - Sentence/Phrase Generator | 1847 |
32.11%
|
518 |
72.01%
|
|
|
|
465 - Overflow | 35683 |
21.67%
|
6279 |
69.28%
|
|
|
|
466 - Mirror, Mirror | 4427 |
55.79%
|
2093 |
90.64%
|
|
|
|
467 - Synching Signals | 3819 |
44.46%
|
1133 |
89.41%
|
|
|
|
468 - Key to Success | 5317 |
22.87%
|
1616 |
57.92%
|
|
|
|
469 - Wetlands of Florida | 26643 |
27.77%
|
5872 |
77.76%
|
|
|
|
470 - Nasty Virus | 147 |
2.04%
|
46 |
6.52%
|
|
|
|
471 - Magic Numbers | 9894 |
31.27%
|
2677 |
74.56%
|
|
|
|
472 - Simultaneous Equations | 420 |
10.95%
|
65 |
38.46%
|
|
|
|
473 - Raucous Rockers | 5176 |
27.65%
|
920 |
75.11%
|
|
|
|
474 - Heads / Tails Probability | 11970 |
38.46%
|
2771 |
83.90%
|
|
|
|
475 - Wild Thing | 1230 |
21.46%
|
226 |
55.31%
|
|
|
|
476 - Points in Figures: Rectangles | 33313 |
40.84%
|
9637 |
91.59%
|
|
|
|
477 - Points in Figures: Rectangles and Circles | 15645 |
58.88%
|
6810 |
94.73%
|
|
|
|
478 - Points in Figures: Rectangles, Circles, Triangles | 15257 |
42.88%
|
4595 |
89.88%
|
|
|
|
479 - Irrigation Flow Rates | 136 |
11.76%
|
82 |
13.41%
|
|
|
|
480 - Tempus Fugit | 160 |
20.00%
|
62 |
20.97%
|
|
|
|
481 - What Goes Up | 36600 |
27.20%
|
8086 |
74.23%
|
|
|
|
482 - Permutation Arrays | 39285 |
24.90%
|
8468 |
76.83%
|
|
|
|
483 - Word Scramble | 60627 |
43.12%
|
19566 |
87.58%
|
|
|
|
484 - The Department of Redundancy Department | 43704 |
45.71%
|
11721 |
90.28%
|
|
|
|
485 - Pascal's Triangle of Death | 13653 |
31.80%
|
4001 |
65.36%
|
|
|
|
486 - English-Number Translator | 9186 |
38.75%
|
2730 |
76.34%
|
|
|
|
487 - Boggle Blitz | 4966 |
38.56%
|
1175 |
65.53%
|
|
|
|
488 - Triangle Wave | 120782 |
23.94%
|
24942 |
72.89%
|
|
|
|
489 - Hangman Judge | 62176 |
32.05%
|
13544 |
75.61%
|
|
|
|
490 - Rotating Sentences | 60129 |
32.06%
|
14695 |
82.54%
|
|
|
|
491 - Tile Topology | 939 |
25.67%
|
325 |
59.69%
|
|
|
|
492 - Pig-Latin | 54835 |
24.31%
|
9701 |
77.56%
|
|
|
|
493 - Rational Spiral | 2700 |
38.07%
|
718 |
80.78%
|
|
|
|
494 - Kindergarten Counting Game | 95900 |
39.19%
|
29997 |
88.62%
|
|
|
|
495 - Fibonacci Freeze | 73495 |
27.21%
|
16115 |
70.03%
|
|
|
|
496 - Simply Subsets | 13289 |
48.19%
|
4580 |
88.56%
|
|
|
|
497 - Strategic Defense Initiative | 29823 |
24.11%
|
5827 |
73.42%
|
|
|
|
498 - Polly the Polynomial | 14402 |
39.49%
|
4618 |
77.98%
|
|
|
|
499 - What's The Frequency, Kenneth? | 23032 |
58.24%
|
11364 |
94.10%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |