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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
500 - Table | 2640 |
10.72%
|
600 |
31.00%
|
|
|
|
501 - Black Box | 17995 |
24.90%
|
2996 |
64.45%
|
|
|
502 - DEL command | 2069 |
11.84%
|
437 |
41.42%
|
|
|
|
503 - Parallelepiped walk | 909 |
17.71%
|
298 |
42.62%
|
|
|
|
504 - Random number | 933 |
6.22%
|
196 |
20.92%
|
|
|
|
505 - Moscow time | 1852 |
19.01%
|
488 |
61.48%
|
|
|
|
506 - System Dependencies | 4352 |
27.67%
|
589 |
73.17%
|
|
|
|
507 - Jill Rides Again | 33081 |
31.25%
|
7993 |
77.47%
|
|
|
|
508 - Morse Mismatches | 5575 |
32.04%
|
715 |
83.22%
|
|
|
|
509 - RAID! | 3292 |
37.76%
|
575 |
80.17%
|
|
|
510 - Optimal Routing | 93 |
0.00%
|
46 |
0.00%
|
|
|
|
511 - Do You Know the Way to San Jose? | 979 |
62.21%
|
314 |
84.39%
|
|
|
|
512 - Spreadsheet Tracking | 12357 |
32.88%
|
1714 |
80.51%
|
|
|
|
513 - Window Frames | 151 |
18.54%
|
90 |
13.33%
|
|
|
|
514 - Rails | 76694 |
39.64%
|
15556 |
85.37%
|
|
|
|
515 - King | 6497 |
25.30%
|
1052 |
68.16%
|
|
|
|
516 - Prime Land | 10926 |
44.49%
|
4032 |
83.66%
|
|
|
|
517 - Word | 3113 |
26.50%
|
787 |
74.21%
|
|
|
|
518 - Time | 1540 |
27.08%
|
524 |
62.02%
|
|
|
|
519 - Puzzle (II) | 2689 |
23.84%
|
584 |
63.70%
|
|
|
|
520 - Append | 1667 |
31.49%
|
452 |
77.21%
|
|
|
|
521 - Gossiping | 1166 |
37.22%
|
495 |
76.57%
|
|
|
|
522 - Schedule Problem | 515 |
11.65%
|
119 |
28.57%
|
|
|
|
523 - Minimum Transport Cost | 7232 |
19.86%
|
1288 |
58.15%
|
|
|
|
524 - Prime Ring Problem | 78024 |
29.18%
|
12774 |
79.21%
|
|
|
|
525 - Milk Bottle Data | 295 |
13.22%
|
79 |
31.65%
|
|
|
|
526 - String Distance and Transform Process | 13908 |
26.44%
|
2772 |
71.65%
|
|
|
|
527 - The partition of a cake | 2223 |
10.80%
|
360 |
42.50%
|
|
|
|
528 - The Problem of Train Setout | 140 |
2.86%
|
49 |
6.12%
|
|
|
|
529 - Addition Chains | 13812 |
25.04%
|
2675 |
65.87%
|
|
|
|
530 - Binomial Showdown | 42420 |
25.90%
|
10216 |
80.80%
|
|
|
|
531 - Compromise | 21844 |
30.36%
|
5148 |
76.59%
|
|
|
|
532 - Dungeon Master | 29084 |
40.28%
|
7530 |
89.72%
|
|
|
|
533 - Equation Solver | 1896 |
29.38%
|
695 |
58.71%
|
|
|
|
534 - Frogger | 20336 |
41.14%
|
5880 |
85.71%
|
|
|
|
535 - Globetrotter | 4184 |
31.09%
|
1238 |
78.27%
|
|
|
|
536 - Tree Recovery | 17918 |
65.52%
|
6351 |
94.46%
|
|
|
|
537 - Artificial Intelligence? | 18065 |
35.74%
|
5356 |
86.58%
|
|
|
|
538 - Balancing Bank Accounts | 3009 |
42.94%
|
1053 |
83.00%
|
|
|
|
539 - The Settlers of Catan | 8011 |
59.59%
|
3562 |
94.89%
|
|
|
|
540 - Team Queue | 47723 |
36.93%
|
7908 |
86.25%
|
|
|
|
541 - Error Correction | 29905 |
55.86%
|
12700 |
92.99%
|
|
|
|
542 - France '98 | 3368 |
62.71%
|
1811 |
90.17%
|
|
|
|
543 - Goldbach's Conjecture | 63693 |
42.56%
|
17478 |
89.59%
|
|
|
|
544 - Heavy Cargo | 12988 |
50.89%
|
4827 |
91.01%
|
|
|
|
545 - Heads | 6684 |
16.73%
|
1416 |
55.93%
|
|
|
|
546 - Image Recognizer | 401 |
19.95%
|
131 |
47.33%
|
|
|
|
547 - DDF | 3682 |
36.66%
|
976 |
81.97%
|
|
|
|
548 - Tree | 21936 |
45.15%
|
3895 |
87.63%
|
|
|
|
549 - Evaluating an Equations Board | 453 |
19.65%
|
126 |
47.62%
|
|
|
|
550 - Multiplying by Rotation | 3948 |
51.62%
|
1509 |
90.46%
|
|
|
|
551 - Nesting a Bunch of Brackets | 7131 |
32.09%
|
1656 |
76.03%
|
|
|
|
552 - Filling the Gaps | 1091 |
31.26%
|
322 |
74.84%
|
|
|
|
553 - Simply proportion | 429 |
46.62%
|
193 |
80.83%
|
|
|
|
554 - Caesar Cypher | 6285 |
18.84%
|
1530 |
57.71%
|
|
|
|
555 - Bridge Hands | 8399 |
42.79%
|
3107 |
80.62%
|
|
|
|
556 - Amazing | 4079 |
47.14%
|
1841 |
88.21%
|
|
|
|
557 - Burger | 4286 |
38.64%
|
1396 |
61.25%
|
|
|
|
558 - Wormholes | 29384 |
52.50%
|
8987 |
93.03%
|
|
|
|
559 - Squares (II) | 962 |
30.04%
|
317 |
67.82%
|
|
|
|
560 - Magic | 1743 |
18.93%
|
282 |
64.89%
|
|
|
|
561 - Jackpot | 1030 |
39.22%
|
488 |
63.52%
|
|
|
|
562 - Dividing coins | 60284 |
34.68%
|
11997 |
84.95%
|
|
|
|
563 - Crimewave | 7290 |
33.14%
|
1476 |
81.78%
|
|
|
|
564 - Gaston | 418 |
18.42%
|
109 |
54.13%
|
|
|
|
565 - Pizza Anyone? | 4106 |
39.16%
|
1066 |
76.36%
|
|
|
|
566 - Adam's Genes | 3286 |
9.04%
|
296 |
53.04%
|
|
|
|
567 - Risk | 22460 |
41.28%
|
6604 |
85.90%
|
|
|
|
568 - Just the Facts | 19241 |
53.61%
|
8405 |
90.49%
|
|
|
|
569 - Horse Shoe Scoring | 1063 |
10.07%
|
248 |
24.19%
|
|
|
|
570 - Stats | 690 |
48.12%
|
354 |
72.32%
|
|
|
|
571 - Jugs | 9982 |
45.47%
|
3011 |
87.65%
|
|
|
|
572 - Oil Deposits | 56555 |
61.55%
|
16994 |
95.69%
|
|
|
|
573 - The Snail | 46972 |
43.06%
|
17513 |
90.88%
|
|
|
|
574 - Sum It Up | 23542 |
44.89%
|
6797 |
88.66%
|
|
|
|
575 - Skew Binary | 26403 |
69.70%
|
15089 |
96.75%
|
|
|
|
576 - Haiku Review | 7279 |
59.20%
|
3909 |
92.58%
|
|
|
|
577 - WIMP | 754 |
21.22%
|
218 |
61.01%
|
|
|
|
578 - Polygon Puzzler | 591 |
30.63%
|
174 |
59.77%
|
|
|
|
579 - Clock Hands | 54601 |
44.06%
|
19035 |
92.38%
|
|
|
|
580 - Critical Mass | 8045 |
60.55%
|
2846 |
91.39%
|
|
|
|
581 - Word Search | 1111 |
10.89%
|
266 |
24.81%
|
|
|
|
582 - Randomly Wired Neural Nets | 137 |
21.17%
|
57 |
21.05%
|
|
|
|
583 - Prime Factors | 63044 |
29.21%
|
11856 |
79.63%
|
|
|
|
584 - Bowling | 5512 |
48.15%
|
2125 |
91.11%
|
|
|
|
585 - Triangles | 5382 |
27.33%
|
1407 |
73.77%
|
|
|
|
586 - Instant Complexity | 2139 |
35.20%
|
781 |
76.95%
|
|
|
|
587 - There's treasure everywhere! | 10359 |
32.47%
|
3249 |
82.64%
|
|
|
|
588 - Video Surveillance | 2141 |
37.93%
|
850 |
73.76%
|
|
|
|
589 - Pushing Boxes | 9747 |
15.88%
|
991 |
80.83%
|
|
|
|
590 - Always on the run | 4385 |
46.82%
|
1664 |
88.40%
|
|
|
|
591 - Box of Bricks | 102633 |
32.75%
|
26973 |
85.26%
|
|
|
|
592 - Island of Logic | 2296 |
34.10%
|
707 |
79.07%
|
|
|
|
593 - MBone | 636 |
38.36%
|
279 |
75.27%
|
|
|
|
594 - One Little, Two Little, Three Little Endians | 11922 |
62.55%
|
5418 |
95.05%
|
|
|
|
595 - A Major Problem | 762 |
18.64%
|
228 |
46.05%
|
|
|
|
596 - The Incredible Hull | 908 |
39.54%
|
230 |
80.43%
|
|
|
|
597 - Last Name First, Please | 265 |
6.79%
|
78 |
14.10%
|
|
|
|
598 - Bundling Newspapers | 9363 |
23.39%
|
1523 |
73.01%
|
|
|
|
599 - The Forrest for the Trees | 10546 |
52.17%
|
3706 |
91.47%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |