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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
500 - Table | 2643 |
10.71%
|
602 |
30.90%
|
|
|
|
501 - Black Box | 18722 |
25.15%
|
3083 |
65.13%
|
|
|
502 - DEL command | 2100 |
12.24%
|
440 |
41.59%
|
|
|
|
503 - Parallelepiped walk | 953 |
17.94%
|
304 |
43.09%
|
|
|
|
504 - Random number | 938 |
6.29%
|
197 |
21.32%
|
|
|
|
505 - Moscow time | 1862 |
18.90%
|
489 |
61.35%
|
|
|
|
506 - System Dependencies | 4464 |
27.73%
|
606 |
73.43%
|
|
|
|
507 - Jill Rides Again | 34160 |
31.44%
|
8088 |
77.60%
|
|
|
|
508 - Morse Mismatches | 5717 |
32.11%
|
735 |
83.27%
|
|
|
|
509 - RAID! | 3386 |
37.98%
|
592 |
80.24%
|
|
|
510 - Optimal Routing | 97 |
0.00%
|
47 |
0.00%
|
|
|
|
511 - Do You Know the Way to San Jose? | 1074 |
61.73%
|
329 |
84.80%
|
|
|
|
512 - Spreadsheet Tracking | 12791 |
32.74%
|
1781 |
80.24%
|
|
|
|
513 - Window Frames | 153 |
18.95%
|
91 |
14.29%
|
|
|
|
514 - Rails | 79890 |
39.91%
|
15906 |
85.41%
|
|
|
|
515 - King | 6561 |
25.38%
|
1066 |
68.39%
|
|
|
|
516 - Prime Land | 11169 |
44.58%
|
4068 |
83.75%
|
|
|
|
517 - Word | 3179 |
26.42%
|
795 |
74.09%
|
|
|
|
518 - Time | 1546 |
26.97%
|
525 |
61.90%
|
|
|
|
519 - Puzzle (II) | 2741 |
23.53%
|
588 |
63.78%
|
|
|
|
520 - Append | 1671 |
31.60%
|
454 |
77.31%
|
|
|
|
521 - Gossiping | 1182 |
36.80%
|
498 |
76.31%
|
|
|
|
522 - Schedule Problem | 533 |
12.38%
|
120 |
29.17%
|
|
|
|
523 - Minimum Transport Cost | 7304 |
19.85%
|
1302 |
57.83%
|
|
|
|
524 - Prime Ring Problem | 82293 |
28.89%
|
13154 |
78.94%
|
|
|
|
525 - Milk Bottle Data | 302 |
12.91%
|
82 |
30.49%
|
|
|
|
526 - String Distance and Transform Process | 14483 |
26.13%
|
2806 |
71.42%
|
|
|
|
527 - The partition of a cake | 2227 |
10.82%
|
360 |
42.50%
|
|
|
|
528 - The Problem of Train Setout | 153 |
4.58%
|
50 |
8.00%
|
|
|
|
529 - Addition Chains | 16738 |
25.22%
|
3107 |
68.10%
|
|
|
|
530 - Binomial Showdown | 42677 |
26.01%
|
10255 |
80.84%
|
|
|
|
531 - Compromise | 22143 |
30.42%
|
5168 |
76.57%
|
|
|
|
532 - Dungeon Master | 29745 |
40.48%
|
7690 |
89.80%
|
|
|
|
533 - Equation Solver | 1906 |
29.38%
|
700 |
58.71%
|
|
|
|
534 - Frogger | 21409 |
40.97%
|
6024 |
85.64%
|
|
|
|
535 - Globetrotter | 4204 |
31.21%
|
1244 |
78.30%
|
|
|
|
536 - Tree Recovery | 19203 |
65.35%
|
6508 |
94.41%
|
|
|
|
537 - Artificial Intelligence? | 18091 |
35.79%
|
5369 |
86.59%
|
|
|
|
538 - Balancing Bank Accounts | 3024 |
42.89%
|
1056 |
83.05%
|
|
|
|
539 - The Settlers of Catan | 8079 |
59.65%
|
3582 |
94.89%
|
|
|
|
540 - Team Queue | 50867 |
37.50%
|
8309 |
86.40%
|
|
|
|
541 - Error Correction | 30631 |
55.83%
|
12827 |
93.03%
|
|
|
|
542 - France '98 | 3398 |
62.63%
|
1820 |
90.16%
|
|
|
|
543 - Goldbach's Conjecture | 65645 |
42.80%
|
17821 |
89.65%
|
|
|
|
544 - Heavy Cargo | 13241 |
50.90%
|
4862 |
91.01%
|
|
|
|
545 - Heads | 6733 |
16.80%
|
1423 |
56.01%
|
|
|
|
546 - Image Recognizer | 408 |
20.83%
|
134 |
48.51%
|
|
|
|
547 - DDF | 3690 |
36.67%
|
980 |
81.84%
|
|
|
|
548 - Tree | 22539 |
45.18%
|
3993 |
87.75%
|
|
|
|
549 - Evaluating an Equations Board | 462 |
19.70%
|
128 |
47.66%
|
|
|
|
550 - Multiplying by Rotation | 3973 |
51.52%
|
1518 |
90.32%
|
|
|
|
551 - Nesting a Bunch of Brackets | 7490 |
31.52%
|
1686 |
76.04%
|
|
|
|
552 - Filling the Gaps | 1103 |
31.37%
|
329 |
74.47%
|
|
|
|
553 - Simply proportion | 430 |
46.74%
|
194 |
80.93%
|
|
|
|
554 - Caesar Cypher | 6337 |
18.92%
|
1534 |
57.82%
|
|
|
|
555 - Bridge Hands | 8628 |
42.81%
|
3145 |
80.76%
|
|
|
|
556 - Amazing | 4114 |
47.18%
|
1848 |
88.26%
|
|
|
|
557 - Burger | 4408 |
38.52%
|
1426 |
62.06%
|
|
|
|
558 - Wormholes | 30860 |
52.62%
|
9134 |
93.06%
|
|
|
|
559 - Squares (II) | 964 |
30.19%
|
318 |
67.92%
|
|
|
|
560 - Magic | 1757 |
19.01%
|
284 |
65.14%
|
|
|
|
561 - Jackpot | 1031 |
39.28%
|
489 |
63.60%
|
|
|
|
562 - Dividing coins | 63454 |
34.97%
|
12175 |
84.94%
|
|
|
|
563 - Crimewave | 7452 |
33.23%
|
1498 |
81.98%
|
|
|
|
564 - Gaston | 418 |
18.42%
|
109 |
54.13%
|
|
|
|
565 - Pizza Anyone? | 4274 |
38.42%
|
1080 |
76.48%
|
|
|
|
566 - Adam's Genes | 3291 |
9.15%
|
299 |
53.51%
|
|
|
|
567 - Risk | 22638 |
41.30%
|
6628 |
85.91%
|
|
|
|
568 - Just the Facts | 19351 |
53.60%
|
8432 |
90.49%
|
|
|
|
569 - Horse Shoe Scoring | 1074 |
9.96%
|
253 |
23.72%
|
|
|
|
570 - Stats | 704 |
47.87%
|
361 |
71.47%
|
|
|
|
571 - Jugs | 10255 |
45.76%
|
3043 |
87.68%
|
|
|
|
572 - Oil Deposits | 59671 |
61.59%
|
17461 |
95.73%
|
|
|
|
573 - The Snail | 48559 |
43.10%
|
17706 |
90.96%
|
|
|
|
574 - Sum It Up | 24792 |
44.92%
|
6877 |
88.59%
|
|
|
|
575 - Skew Binary | 26489 |
69.73%
|
15134 |
96.76%
|
|
|
|
576 - Haiku Review | 7343 |
59.06%
|
3925 |
92.54%
|
|
|
|
577 - WIMP | 755 |
21.32%
|
219 |
61.19%
|
|
|
|
578 - Polygon Puzzler | 599 |
31.22%
|
177 |
59.89%
|
|
|
|
579 - Clock Hands | 55152 |
44.15%
|
19148 |
92.41%
|
|
|
|
580 - Critical Mass | 8275 |
60.85%
|
2908 |
91.40%
|
|
|
|
581 - Word Search | 1140 |
10.79%
|
268 |
25.00%
|
|
|
|
582 - Randomly Wired Neural Nets | 146 |
20.55%
|
58 |
22.41%
|
|
|
|
583 - Prime Factors | 64373 |
29.39%
|
11976 |
79.72%
|
|
|
|
584 - Bowling | 5668 |
48.04%
|
2169 |
91.19%
|
|
|
|
585 - Triangles | 5397 |
27.37%
|
1413 |
73.81%
|
|
|
|
586 - Instant Complexity | 2172 |
35.08%
|
784 |
77.30%
|
|
|
|
587 - There's treasure everywhere! | 10517 |
32.72%
|
3278 |
82.76%
|
|
|
|
588 - Video Surveillance | 2165 |
37.83%
|
853 |
73.86%
|
|
|
|
589 - Pushing Boxes | 10142 |
16.77%
|
1087 |
81.42%
|
|
|
|
590 - Always on the run | 4447 |
46.98%
|
1677 |
88.43%
|
|
|
|
591 - Box of Bricks | 108094 |
32.74%
|
27225 |
85.33%
|
|
|
|
592 - Island of Logic | 2324 |
34.04%
|
712 |
78.79%
|
|
|
|
593 - MBone | 642 |
38.63%
|
280 |
75.71%
|
|
|
|
594 - One Little, Two Little, Three Little Endians | 12322 |
62.73%
|
5489 |
95.04%
|
|
|
|
595 - A Major Problem | 766 |
18.67%
|
231 |
45.89%
|
|
|
|
596 - The Incredible Hull | 911 |
39.74%
|
232 |
80.60%
|
|
|
|
597 - Last Name First, Please | 265 |
6.79%
|
78 |
14.10%
|
|
|
|
598 - Bundling Newspapers | 9449 |
23.38%
|
1534 |
73.14%
|
|
|
|
599 - The Forrest for the Trees | 11087 |
51.80%
|
3764 |
91.37%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |