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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
400 - Unix ls | 31888 |
40.76%
|
6601 |
87.29%
|
|
|
401 - Palindromes | 114901 |
28.15%
|
22123 |
82.14%
|
|
|
|
402 - M*A*S*H | 12365 |
19.42%
|
3048 |
48.72%
|
|
|
|
403 - Postscript | 3390 |
22.51%
|
1130 |
58.41%
|
|
|
|
404 - Radar Scopes | 1203 |
12.72%
|
362 |
34.81%
|
|
|
|
405 - Message Routing | 1311 |
34.78%
|
531 |
74.20%
|
|
|
|
406 - Prime Cuts | 58393 |
27.18%
|
12830 |
74.61%
|
|
|
|
407 - Gears on a Board | 1487 |
16.48%
|
395 |
50.63%
|
|
|
|
408 - Uniform Generator | 35561 |
32.87%
|
10441 |
74.22%
|
|
|
|
409 - Excuses, Excuses! | 19153 |
33.05%
|
5229 |
83.06%
|
|
|
|
410 - Station Balance | 15911 |
25.84%
|
3467 |
70.70%
|
|
|
|
411 - Centipede Collisions | 796 |
30.78%
|
347 |
63.69%
|
|
|
|
412 - Pi | 29495 |
38.67%
|
9095 |
84.69%
|
|
|
|
413 - Up and Down Sequences | 4181 |
46.78%
|
2057 |
80.46%
|
|
|
|
414 - Machined Surfaces | 33061 |
42.16%
|
10907 |
92.17%
|
|
|
|
415 - Sunrise | 1121 |
45.05%
|
354 |
70.90%
|
|
|
|
416 - LED Test | 4845 |
38.16%
|
1806 |
84.50%
|
|
|
|
417 - Word Index | 16902 |
66.98%
|
7642 |
95.29%
|
|
|
|
418 - Molecules | 1707 |
55.54%
|
620 |
87.10%
|
|
|
|
419 - Matching Meetings | 802 |
25.56%
|
272 |
63.60%
|
|
|
|
420 - Supercomputer Selection, The Sequel | 283 |
49.12%
|
173 |
70.52%
|
|
|
|
421 - Polygonal Puzzle | 491 |
24.64%
|
189 |
53.97%
|
|
|
|
422 - Word-Search Wonder | 5570 |
53.12%
|
2662 |
90.27%
|
|
|
|
423 - MPI Maelstrom | 10058 |
51.81%
|
3686 |
92.51%
|
|
|
|
424 - Integer Inquiry | 44537 |
43.75%
|
15506 |
88.83%
|
|
|
|
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 | 1425 |
43.79%
|
582 |
80.58%
|
|
|
|
428 - Swamp County Roofs | 859 |
44.70%
|
426 |
77.93%
|
|
|
|
429 - Word Transformation | 24823 |
30.74%
|
5722 |
80.71%
|
|
|
|
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) | 5726 |
45.60%
|
2036 |
88.65%
|
|
|
|
437 - The Tower of Babylon | 21394 |
57.85%
|
5953 |
93.23%
|
|
|
|
438 - The Circumference of the Circle | 14999 |
67.13%
|
7853 |
94.70%
|
|
|
|
439 - Knight Moves | 43631 |
57.43%
|
12784 |
94.05%
|
|
|
|
440 - Eeny Meeny Moo | 10810 |
69.29%
|
5341 |
94.27%
|
|
|
|
441 - Lotto | 39189 |
42.92%
|
12778 |
82.84%
|
|
|
|
442 - Matrix Chain Multiplication | 18926 |
64.81%
|
6111 |
94.44%
|
|
|
|
443 - Humble Numbers | 19043 |
43.83%
|
6722 |
89.27%
|
|
|
|
444 - Encoder and Decoder | 25569 |
31.09%
|
6994 |
80.24%
|
|
|
|
445 - Marvelous Mazes | 41420 |
41.41%
|
12661 |
87.51%
|
|
|
|
446 - Kibbles "n" Bits "n" Bits "n" Bits | 16331 |
48.97%
|
6125 |
93.40%
|
|
|
|
447 - Population Explosion | 3507 |
23.24%
|
1189 |
54.67%
|
|
|
|
448 - OOPS! | 5290 |
47.92%
|
1412 |
81.94%
|
|
|
|
449 - Majoring in Scales | 2057 |
28.83%
|
545 |
51.38%
|
|
|
|
450 - Little Black Book | 13411 |
30.53%
|
2314 |
83.36%
|
|
|
|
451 - Poker Solitaire Evaluator | 2053 |
22.84%
|
478 |
67.36%
|
|
|
|
452 - Project Scheduling | 6741 |
33.41%
|
1814 |
84.34%
|
|
|
|
453 - Intersecting Circles | 8962 |
8.46%
|
1085 |
35.48%
|
|
|
|
454 - Anagrams | 14614 |
20.67%
|
3367 |
68.16%
|
|
|
|
455 - Periodic Strings | 116991 |
23.91%
|
14839 |
73.02%
|
|
|
|
456 - Robotic Stacker | 342 |
42.98%
|
169 |
50.30%
|
|
|
|
457 - Linear Cellular Automata | 13088 |
37.17%
|
3790 |
85.41%
|
|
|
|
458 - The Decoder | 94567 |
46.39%
|
32973 |
92.45%
|
|
|
|
459 - Graph Connectivity | 57841 |
27.73%
|
10884 |
79.13%
|
|
|
|
460 - Overlapping Rectangles | 14021 |
27.34%
|
3737 |
73.03%
|
|
|
|
461 - The Reservation Maker | 89 |
3.37%
|
48 |
6.25%
|
|
|
|
462 - Bridge Hand Evaluator | 10061 |
33.58%
|
3106 |
83.42%
|
|
|
|
463 - Polynomial Factorization | 570 |
12.46%
|
81 |
29.63%
|
|
|
|
464 - Sentence/Phrase Generator | 1858 |
32.02%
|
519 |
72.06%
|
|
|
|
465 - Overflow | 35751 |
21.68%
|
6295 |
69.32%
|
|
|
|
466 - Mirror, Mirror | 4524 |
55.75%
|
2120 |
90.71%
|
|
|
|
467 - Synching Signals | 3855 |
44.41%
|
1148 |
89.29%
|
|
|
|
468 - Key to Success | 5337 |
22.88%
|
1618 |
57.91%
|
|
|
|
469 - Wetlands of Florida | 27076 |
27.79%
|
5900 |
77.73%
|
|
|
|
470 - Nasty Virus | 148 |
2.03%
|
47 |
6.38%
|
|
|
|
471 - Magic Numbers | 9955 |
31.30%
|
2694 |
74.57%
|
|
|
|
472 - Simultaneous Equations | 421 |
10.93%
|
66 |
37.88%
|
|
|
|
473 - Raucous Rockers | 5280 |
27.48%
|
940 |
75.32%
|
|
|
|
474 - Heads / Tails Probability | 11990 |
38.44%
|
2776 |
83.90%
|
|
|
|
475 - Wild Thing | 1239 |
21.55%
|
226 |
55.75%
|
|
|
|
476 - Points in Figures: Rectangles | 33785 |
40.93%
|
9716 |
91.55%
|
|
|
|
477 - Points in Figures: Rectangles and Circles | 15730 |
58.94%
|
6832 |
94.73%
|
|
|
|
478 - Points in Figures: Rectangles, Circles, Triangles | 15348 |
42.85%
|
4606 |
89.90%
|
|
|
|
479 - Irrigation Flow Rates | 137 |
11.68%
|
83 |
13.25%
|
|
|
|
480 - Tempus Fugit | 161 |
19.88%
|
63 |
20.63%
|
|
|
|
481 - What Goes Up | 37333 |
27.42%
|
8174 |
74.30%
|
|
|
|
482 - Permutation Arrays | 39983 |
24.87%
|
8539 |
76.87%
|
|
|
|
483 - Word Scramble | 60867 |
43.13%
|
19628 |
87.59%
|
|
|
|
484 - The Department of Redundancy Department | 45822 |
45.62%
|
11867 |
90.23%
|
|
|
|
485 - Pascal's Triangle of Death | 13682 |
31.79%
|
4002 |
65.37%
|
|
|
|
486 - English-Number Translator | 9286 |
38.80%
|
2741 |
76.40%
|
|
|
|
487 - Boggle Blitz | 5034 |
38.30%
|
1181 |
65.71%
|
|
|
|
488 - Triangle Wave | 121705 |
24.00%
|
25080 |
73.01%
|
|
|
|
489 - Hangman Judge | 63264 |
32.11%
|
13698 |
75.70%
|
|
|
|
490 - Rotating Sentences | 61963 |
32.38%
|
15030 |
82.76%
|
|
|
|
491 - Tile Topology | 942 |
25.80%
|
327 |
59.94%
|
|
|
|
492 - Pig-Latin | 55990 |
24.11%
|
9733 |
77.58%
|
|
|
|
493 - Rational Spiral | 2707 |
38.16%
|
721 |
80.72%
|
|
|
|
494 - Kindergarten Counting Game | 97123 |
39.44%
|
30128 |
88.61%
|
|
|
|
495 - Fibonacci Freeze | 73779 |
27.23%
|
16177 |
70.07%
|
|
|
|
496 - Simply Subsets | 13380 |
48.21%
|
4603 |
88.59%
|
|
|
|
497 - Strategic Defense Initiative | 30413 |
24.28%
|
5846 |
73.49%
|
|
|
|
498 - Polly the Polynomial | 14637 |
39.44%
|
4673 |
77.92%
|
|
|
|
499 - What's The Frequency, Kenneth? | 23200 |
58.31%
|
11415 |
94.10%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |