Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
|
600 - A Duckpin Tournament | 1439 |
16.26%
|
280 |
34.64%
|
|
|
|
601 - The PATH | 4888 |
29.71%
|
1273 |
72.82%
|
|
|
|
602 - What Day Is It? | 10030 |
26.26%
|
1790 |
65.36%
|
|
|
|
603 - Parking Lot | 3538 |
23.86%
|
923 |
49.40%
|
|
|
|
604 - The Boggle Game | 4359 |
30.44%
|
937 |
62.75%
|
|
|
605 - The Rotating Disk | 686 |
8.31%
|
108 |
27.78%
|
|
|
|
606 - Keeps Going and Going and ... | 721 |
16.37%
|
240 |
45.83%
|
|
|
|
607 - Scheduling Lectures | 6570 |
25.63%
|
1559 |
64.21%
|
|
|
|
608 - Counterfeit Dollar | 8399 |
35.02%
|
2740 |
77.52%
|
|
|
|
609 - Metal Cutting | 1495 |
18.86%
|
327 |
43.43%
|
|
|
|
610 - Street Directions | 6501 |
42.15%
|
1842 |
83.55%
|
|
|
|
611 - Parallel Deadlock | 465 |
14.19%
|
165 |
32.73%
|
|
|
|
612 - DNA Sorting | 40346 |
23.57%
|
8442 |
66.60%
|
|
|
|
613 - Numbers That Count | 2875 |
22.33%
|
873 |
49.83%
|
|
|
|
614 - Mapping the Route | 2330 |
35.15%
|
985 |
69.75%
|
|
|
|
615 - Is It A Tree? | 19250 |
20.41%
|
3821 |
66.24%
|
|
|
|
616 - Coconuts, Revisited | 11128 |
28.71%
|
2686 |
71.22%
|
|
|
|
617 - Nonstop Travel | 2450 |
46.82%
|
1117 |
86.12%
|
|
|
|
618 - Doing Windows | 1161 |
26.79%
|
413 |
66.10%
|
|
|
|
619 - Numerically Speaking | 4451 |
49.99%
|
1624 |
86.27%
|
|
|
|
620 - Cellular Structure | 3828 |
53.45%
|
1757 |
87.14%
|
|
|
|
621 - Secret Research | 30480 |
46.21%
|
12295 |
89.76%
|
|
|
|
622 - Grammar Evaluation | 3031 |
23.66%
|
995 |
56.98%
|
|
|
|
623 - 500! | 47401 |
29.84%
|
11985 |
73.94%
|
|
|
|
624 - CD | 36213 |
45.11%
|
9792 |
89.83%
|
|
|
|
625 - Compression | 1508 |
20.09%
|
389 |
59.64%
|
|
|
|
626 - Ecosystem | 3658 |
41.69%
|
1381 |
83.92%
|
|
|
|
627 - The Net | 5549 |
43.47%
|
2076 |
86.32%
|
|
|
|
628 - Passwords | 6721 |
60.53%
|
3174 |
90.45%
|
|
|
|
629 - Test | 548 |
52.55%
|
182 |
74.73%
|
|
|
|
630 - Anagrams (II) | 7054 |
25.77%
|
2140 |
67.06%
|
|
|
|
631 - Microzoft Calendar | 600 |
17.17%
|
141 |
53.90%
|
|
|
|
632 - Compression (II) | 2777 |
25.42%
|
761 |
71.09%
|
|
|
|
633 - A Chess Knight | 2837 |
19.49%
|
560 |
80.89%
|
|
|
|
634 - Polygon | 4620 |
52.27%
|
1751 |
90.41%
|
|
|
|
635 - Clock solitaire | 476 |
55.88%
|
237 |
83.97%
|
|
|
|
636 - Squares (III) | 4450 |
54.29%
|
2181 |
92.57%
|
|
|
|
637 - Booklet Printing | 8969 |
44.32%
|
3647 |
86.07%
|
|
|
|
638 - Finding Rectangles | 2844 |
36.95%
|
894 |
71.36%
|
|
|
|
639 - Don't Get Rooked | 8404 |
58.88%
|
3718 |
91.72%
|
|
|
|
640 - Self Numbers | 14803 |
50.77%
|
5827 |
89.86%
|
|
|
|
641 - Do the Untwist | 2406 |
64.55%
|
1269 |
91.49%
|
|
|
|
642 - Word Amalgamation | 7487 |
53.96%
|
3394 |
92.13%
|
|
|
|
643 - Bulk Mailing | 634 |
19.24%
|
175 |
49.71%
|
|
|
|
644 - Immediate Decodability | 13606 |
45.44%
|
4434 |
91.88%
|
|
|
|
645 - File Mapping | 1178 |
25.55%
|
403 |
58.56%
|
|
|
|
646 - The Gourmet Club | 460 |
15.22%
|
91 |
30.77%
|
|
|
|
647 - Chutes and Ladders | 1488 |
58.00%
|
863 |
84.01%
|
|
|
|
648 - Stamps (II) | 573 |
30.72%
|
226 |
62.39%
|
|
|
|
649 - You Who? | 187 |
17.65%
|
78 |
28.21%
|
|
|
|
650 - Bowl | 809 |
10.63%
|
245 |
23.27%
|
|
|
|
651 - Deck | 1765 |
53.20%
|
883 |
86.18%
|
|
|
|
652 - Eight | 7010 |
18.49%
|
938 |
53.30%
|
|
|
|
653 - Gizilch | 1116 |
30.65%
|
327 |
68.50%
|
|
|
|
654 - Ratio | 2320 |
29.35%
|
833 |
64.35%
|
|
|
|
655 - Scrabble | 801 |
11.74%
|
272 |
17.28%
|
|
|
|
656 - Optimal Programs | 2002 |
24.58%
|
544 |
63.60%
|
|
|
|
657 - The die is cast | 15222 |
28.36%
|
3314 |
80.14%
|
|
|
|
658 - It's not a Bug, it's a Feature! | 7546 |
31.69%
|
1008 |
80.46%
|
|
|
|
659 - Reflections | 727 |
36.31%
|
282 |
77.66%
|
|
|
|
660 - Going in circles on Alpha Centauri | 582 |
29.73%
|
200 |
68.50%
|
|
|
|
661 - Blowing Fuses | 20526 |
35.96%
|
6866 |
89.78%
|
|
|
|
662 - Fast Food | 4500 |
31.33%
|
936 |
81.09%
|
|
|
|
663 - Sorting Slides | 4348 |
21.27%
|
1031 |
56.74%
|
|
|
|
664 - Single-Player Games | 608 |
26.64%
|
182 |
70.88%
|
|
|
|
665 - False coin | 6191 |
28.70%
|
1824 |
70.67%
|
|
|
|
666 - Rating | 413 |
8.23%
|
120 |
24.17%
|
|
|
|
667 - Fence | 606 |
18.15%
|
176 |
46.59%
|
|
|
|
668 - Parliament | 3146 |
28.58%
|
1056 |
64.87%
|
|
|
|
669 - Defragment | 1276 |
24.69%
|
305 |
62.95%
|
|
|
|
670 - The dog task | 7658 |
34.00%
|
1355 |
74.17%
|
|
|
|
671 - Spell checker | 3967 |
24.58%
|
918 |
65.14%
|
|
|
|
672 - Gangsters | 2474 |
24.78%
|
586 |
65.36%
|
|
|
|
673 - Parentheses Balance | 123632 |
28.36%
|
20518 |
81.91%
|
|
|
|
674 - Coin Change | 47649 |
48.58%
|
14218 |
91.79%
|
|
|
|
675 - Convex Hull of the Polygon | 2125 |
12.47%
|
351 |
38.46%
|
|
|
|
676 - Horse Step Maze | 1554 |
11.45%
|
284 |
50.35%
|
|
|
|
677 - All Walks of length "n" from the first node | 4600 |
36.96%
|
1482 |
83.40%
|
|
|
|
678 - Schedule of Taiwan Baseball League | 266 |
30.08%
|
110 |
50.91%
|
|
|
|
679 - Dropping Balls | 26245 |
42.17%
|
5587 |
86.29%
|
|
|
|
680 - Movement of Reading Head | 573 |
36.65%
|
210 |
80.00%
|
|
|
|
681 - Convex Hull Finding | 17306 |
25.40%
|
2910 |
73.95%
|
|
|
|
682 - Whoever-pick-the-last-one-lose | 670 |
32.69%
|
199 |
67.34%
|
|
|
|
683 - Character Decoding | 316 |
22.78%
|
113 |
44.25%
|
|
|
|
684 - Integral Determinant | 3953 |
19.33%
|
642 |
56.70%
|
|
|
|
685 - Least Path Cost | 839 |
32.66%
|
265 |
80.38%
|
|
|
|
686 - Goldbach's Conjecture (II) | 25860 |
55.63%
|
10611 |
93.92%
|
|
|
|
687 - Lattice Practices | 378 |
17.99%
|
89 |
55.06%
|
|
|
|
688 - Mobile Phone Coverage | 3169 |
35.37%
|
904 |
83.52%
|
|
|
|
689 - Napoleon's Grumble | 1310 |
12.60%
|
334 |
37.72%
|
|
|
|
690 - Pipeline Scheduling | 2225 |
32.54%
|
224 |
73.21%
|
|
|
|
691 - Triangle Partition | 1547 |
2.13%
|
126 |
15.87%
|
|
|
|
692 - BUT We Need a Diagram | 471 |
23.14%
|
146 |
56.85%
|
|
|
|
693 - Digital Racing Circuit | 420 |
8.10%
|
56 |
19.64%
|
|
|
|
694 - The Collatz Sequence | 39676 |
40.52%
|
12775 |
88.97%
|
|
|
|
695 - Placing the Ops | 1149 |
35.07%
|
205 |
70.24%
|
|
|
|
696 - How Many Knights | 13485 |
38.46%
|
4239 |
88.13%
|
|
|
|
697 - Jack and Jill | 3266 |
13.32%
|
655 |
38.32%
|
|
|
|
698 - Index | 2380 |
11.51%
|
478 |
31.17%
|
|
|
|
699 - The Falling Leaves | 16229 |
41.67%
|
3533 |
83.67%
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |