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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
400 - Unix ls | 31922 |
40.77%
|
6612 |
87.30%
|
|
|
401 - Palindromes | 114971 |
28.17%
|
22144 |
82.16%
|
|
|
|
402 - M*A*S*H | 12367 |
19.43%
|
3049 |
48.74%
|
|
|
|
403 - Postscript | 3391 |
22.50%
|
1131 |
58.36%
|
|
|
|
404 - Radar Scopes | 1203 |
12.72%
|
362 |
34.81%
|
|
|
|
405 - Message Routing | 1311 |
34.78%
|
531 |
74.20%
|
|
|
|
406 - Prime Cuts | 58417 |
27.20%
|
12839 |
74.62%
|
|
|
|
407 - Gears on a Board | 1488 |
16.47%
|
396 |
50.51%
|
|
|
|
408 - Uniform Generator | 35679 |
32.84%
|
10461 |
74.22%
|
|
|
|
409 - Excuses, Excuses! | 19157 |
33.06%
|
5231 |
83.04%
|
|
|
|
410 - Station Balance | 15943 |
25.86%
|
3473 |
70.69%
|
|
|
|
411 - Centipede Collisions | 797 |
30.74%
|
348 |
63.51%
|
|
|
|
412 - Pi | 29546 |
38.67%
|
9101 |
84.70%
|
|
|
|
413 - Up and Down Sequences | 4184 |
46.80%
|
2059 |
80.48%
|
|
|
|
414 - Machined Surfaces | 33089 |
42.15%
|
10916 |
92.16%
|
|
|
|
415 - Sunrise | 1122 |
45.10%
|
355 |
70.99%
|
|
|
|
416 - LED Test | 4850 |
38.12%
|
1808 |
84.40%
|
|
|
|
417 - Word Index | 16924 |
66.95%
|
7648 |
95.28%
|
|
|
|
418 - Molecules | 1711 |
55.52%
|
621 |
87.12%
|
|
|
|
419 - Matching Meetings | 802 |
25.56%
|
272 |
63.60%
|
|
|
|
420 - Supercomputer Selection, The Sequel | 283 |
49.12%
|
173 |
70.52%
|
|
|
|
421 - Polygonal Puzzle | 492 |
24.59%
|
190 |
53.68%
|
|
|
|
422 - Word-Search Wonder | 5572 |
53.12%
|
2663 |
90.27%
|
|
|
|
423 - MPI Maelstrom | 10074 |
51.81%
|
3691 |
92.52%
|
|
|
|
424 - Integer Inquiry | 44543 |
43.76%
|
15510 |
88.83%
|
|
|
|
425 - Enigmatic Encryption | 1511 |
30.77%
|
358 |
74.58%
|
|
|
|
426 - Fifth Bank of Swamp County | 2306 |
19.12%
|
612 |
45.59%
|
|
|
|
427 - FlatLand Piano Movers | 1425 |
43.79%
|
582 |
80.58%
|
|
|
|
428 - Swamp County Roofs | 859 |
44.70%
|
426 |
77.93%
|
|
|
|
429 - Word Transformation | 24843 |
30.74%
|
5725 |
80.70%
|
|
|
|
430 - Swamp County Supervisors | 1341 |
26.99%
|
354 |
57.34%
|
|
|
|
431 - Trial of the Millennium | 2547 |
13.58%
|
386 |
46.89%
|
|
|
|
432 - Modern Art | 1081 |
39.59%
|
380 |
69.21%
|
|
|
|
433 - Bank (Not Quite O.C.R.) | 1904 |
36.03%
|
671 |
76.15%
|
|
|
|
434 - Matty's Blocks | 3352 |
41.95%
|
1288 |
81.44%
|
|
|
|
435 - Block Voting | 4424 |
51.47%
|
1802 |
87.18%
|
|
|
|
436 - Arbitrage (II) | 5744 |
45.61%
|
2038 |
88.67%
|
|
|
|
437 - The Tower of Babylon | 21454 |
57.81%
|
5971 |
93.20%
|
|
|
|
438 - The Circumference of the Circle | 15012 |
67.15%
|
7856 |
94.70%
|
|
|
|
439 - Knight Moves | 43808 |
57.44%
|
12806 |
94.06%
|
|
|
|
440 - Eeny Meeny Moo | 10813 |
69.30%
|
5343 |
94.27%
|
|
|
|
441 - Lotto | 39264 |
42.94%
|
12791 |
82.85%
|
|
|
|
442 - Matrix Chain Multiplication | 18952 |
64.82%
|
6119 |
94.44%
|
|
|
|
443 - Humble Numbers | 19043 |
43.83%
|
6722 |
89.27%
|
|
|
|
444 - Encoder and Decoder | 25574 |
31.09%
|
6996 |
80.23%
|
|
|
|
445 - Marvelous Mazes | 41432 |
41.42%
|
12671 |
87.51%
|
|
|
|
446 - Kibbles "n" Bits "n" Bits "n" Bits | 16338 |
48.97%
|
6129 |
93.39%
|
|
|
|
447 - Population Explosion | 3507 |
23.24%
|
1189 |
54.67%
|
|
|
|
448 - OOPS! | 5292 |
47.90%
|
1413 |
81.88%
|
|
|
|
449 - Majoring in Scales | 2057 |
28.83%
|
545 |
51.38%
|
|
|
|
450 - Little Black Book | 13423 |
30.54%
|
2317 |
83.38%
|
|
|
|
451 - Poker Solitaire Evaluator | 2060 |
22.91%
|
482 |
67.43%
|
|
|
|
452 - Project Scheduling | 6745 |
33.40%
|
1816 |
84.31%
|
|
|
|
453 - Intersecting Circles | 9162 |
8.42%
|
1089 |
35.54%
|
|
|
|
454 - Anagrams | 14618 |
20.67%
|
3367 |
68.16%
|
|
|
|
455 - Periodic Strings | 117291 |
23.91%
|
14876 |
73.02%
|
|
|
|
456 - Robotic Stacker | 347 |
42.65%
|
171 |
50.29%
|
|
|
|
457 - Linear Cellular Automata | 13091 |
37.17%
|
3791 |
85.41%
|
|
|
|
458 - The Decoder | 94634 |
46.38%
|
32999 |
92.45%
|
|
|
|
459 - Graph Connectivity | 58012 |
27.76%
|
10899 |
79.14%
|
|
|
|
460 - Overlapping Rectangles | 14058 |
27.39%
|
3742 |
73.06%
|
|
|
|
461 - The Reservation Maker | 98 |
3.06%
|
49 |
6.12%
|
|
|
|
462 - Bridge Hand Evaluator | 10077 |
33.57%
|
3108 |
83.43%
|
|
|
|
463 - Polynomial Factorization | 570 |
12.46%
|
81 |
29.63%
|
|
|
|
464 - Sentence/Phrase Generator | 1858 |
32.02%
|
519 |
72.06%
|
|
|
|
465 - Overflow | 35759 |
21.69%
|
6297 |
69.33%
|
|
|
|
466 - Mirror, Mirror | 4529 |
55.77%
|
2123 |
90.72%
|
|
|
|
467 - Synching Signals | 3855 |
44.41%
|
1148 |
89.29%
|
|
|
|
468 - Key to Success | 5337 |
22.88%
|
1618 |
57.91%
|
|
|
|
469 - Wetlands of Florida | 27087 |
27.80%
|
5902 |
77.74%
|
|
|
|
470 - Nasty Virus | 153 |
2.61%
|
50 |
8.00%
|
|
|
|
471 - Magic Numbers | 9958 |
31.30%
|
2695 |
74.58%
|
|
|
|
472 - Simultaneous Equations | 433 |
11.09%
|
66 |
40.91%
|
|
|
|
473 - Raucous Rockers | 5280 |
27.48%
|
940 |
75.32%
|
|
|
|
474 - Heads / Tails Probability | 12014 |
38.41%
|
2779 |
83.92%
|
|
|
|
475 - Wild Thing | 1244 |
21.54%
|
227 |
55.95%
|
|
|
|
476 - Points in Figures: Rectangles | 33813 |
40.94%
|
9723 |
91.55%
|
|
|
|
477 - Points in Figures: Rectangles and Circles | 15733 |
58.93%
|
6832 |
94.73%
|
|
|
|
478 - Points in Figures: Rectangles, Circles, Triangles | 15357 |
42.85%
|
4609 |
89.91%
|
|
|
|
479 - Irrigation Flow Rates | 137 |
11.68%
|
83 |
13.25%
|
|
|
|
480 - Tempus Fugit | 161 |
19.88%
|
63 |
20.63%
|
|
|
|
481 - What Goes Up | 37351 |
27.42%
|
8177 |
74.29%
|
|
|
|
482 - Permutation Arrays | 39999 |
24.88%
|
8542 |
76.87%
|
|
|
|
483 - Word Scramble | 60893 |
43.13%
|
19635 |
87.59%
|
|
|
|
484 - The Department of Redundancy Department | 45954 |
45.66%
|
11878 |
90.23%
|
|
|
|
485 - Pascal's Triangle of Death | 13682 |
31.79%
|
4002 |
65.37%
|
|
|
|
486 - English-Number Translator | 9301 |
38.79%
|
2744 |
76.35%
|
|
|
|
487 - Boggle Blitz | 5034 |
38.30%
|
1181 |
65.71%
|
|
|
|
488 - Triangle Wave | 121816 |
24.02%
|
25089 |
73.02%
|
|
|
|
489 - Hangman Judge | 63308 |
32.12%
|
13707 |
75.72%
|
|
|
|
490 - Rotating Sentences | 62027 |
32.39%
|
15046 |
82.77%
|
|
|
|
491 - Tile Topology | 942 |
25.80%
|
327 |
59.94%
|
|
|
|
492 - Pig-Latin | 55994 |
24.11%
|
9737 |
77.59%
|
|
|
|
493 - Rational Spiral | 2707 |
38.16%
|
721 |
80.72%
|
|
|
|
494 - Kindergarten Counting Game | 97175 |
39.45%
|
30144 |
88.61%
|
|
|
|
495 - Fibonacci Freeze | 73820 |
27.24%
|
16181 |
70.08%
|
|
|
|
496 - Simply Subsets | 13395 |
48.20%
|
4606 |
88.60%
|
|
|
|
497 - Strategic Defense Initiative | 30431 |
24.28%
|
5847 |
73.49%
|
|
|
|
498 - Polly the Polynomial | 14644 |
39.46%
|
4676 |
77.93%
|
|
|
|
499 - What's The Frequency, Kenneth? | 23206 |
58.33%
|
11420 |
94.11%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |