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Browse Problems
Title | Total Submissions / Solving % | Total Users / Solving % | ||||
600 - A Duckpin Tournament | 1452 |
16.32%
|
290 |
34.14%
|
||
601 - The PATH | 5118 |
29.68%
|
1326 |
73.30%
|
||
602 - What Day Is It? | 10858 |
25.80%
|
1871 |
65.58%
|
||
603 - Parking Lot | 3616 |
24.20%
|
953 |
50.58%
|
||
604 - The Boggle Game | 4509 |
30.98%
|
981 |
63.40%
|
||
605 - The Rotating Disk | 690 |
8.55%
|
111 |
27.93%
|
||
606 - Keeps Going and Going and ... | 726 |
16.39%
|
244 |
45.08%
|
||
607 - Scheduling Lectures | 7539 |
27.36%
|
1670 |
65.81%
|
||
608 - Counterfeit Dollar | 9280 |
35.91%
|
3068 |
78.36%
|
||
609 - Metal Cutting | 1517 |
19.05%
|
331 |
43.81%
|
||
610 - Street Directions | 8338 |
41.56%
|
2294 |
83.26%
|
||
611 - Parallel Deadlock | 478 |
15.06%
|
174 |
33.33%
|
||
612 - DNA Sorting | 46301 |
23.92%
|
9211 |
68.05%
|
||
613 - Numbers That Count | 2931 |
22.79%
|
899 |
50.72%
|
||
614 - Mapping the Route | 2983 |
36.00%
|
1109 |
71.42%
|
||
615 - Is It A Tree? | 22270 |
21.85%
|
4262 |
67.43%
|
||
616 - Coconuts, Revisited | 12823 |
29.61%
|
2962 |
72.52%
|
||
617 - Nonstop Travel | 2667 |
46.76%
|
1214 |
85.91%
|
||
618 - Doing Windows | 1185 |
27.43%
|
426 |
66.43%
|
||
619 - Numerically Speaking | 4566 |
49.91%
|
1672 |
86.36%
|
||
620 - Cellular Structure | 4047 |
53.27%
|
1819 |
87.03%
|
||
621 - Secret Research | 34642 |
46.89%
|
14063 |
90.05%
|
||
622 - Grammar Evaluation | 3149 |
24.87%
|
1055 |
58.86%
|
||
623 - 500! | 50011 |
30.56%
|
12690 |
74.84%
|
||
624 - CD | 47688 |
46.06%
|
11356 |
89.69%
|
||
625 - Compression | 1535 |
20.13%
|
402 |
59.20%
|
||
626 - Ecosystem | 3929 |
42.00%
|
1480 |
84.59%
|
||
627 - The Net | 6437 |
43.19%
|
2242 |
86.62%
|
||
628 - Passwords | 10428 |
58.82%
|
3810 |
90.68%
|
||
629 - Test | 550 |
52.36%
|
184 |
73.91%
|
||
630 - Anagrams (II) | 8404 |
27.39%
|
2311 |
68.71%
|
||
631 - Microzoft Calendar | 607 |
17.46%
|
146 |
53.42%
|
||
632 - Compression (II) | 2872 |
25.97%
|
798 |
71.93%
|
||
633 - A Chess Knight | 2969 |
21.35%
|
634 |
82.02%
|
||
634 - Polygon | 5317 |
52.62%
|
1949 |
90.46%
|
||
635 - Clock solitaire | 480 |
55.83%
|
240 |
83.33%
|
||
636 - Squares (III) | 4611 |
54.46%
|
2247 |
92.39%
|
||
637 - Booklet Printing | 9787 |
45.08%
|
4024 |
86.61%
|
||
638 - Finding Rectangles | 2898 |
37.03%
|
914 |
71.66%
|
||
639 - Don't Get Rooked | 9122 |
59.27%
|
3987 |
91.70%
|
||
640 - Self Numbers | 15853 |
50.58%
|
6044 |
89.84%
|
||
641 - Do the Untwist | 2585 |
64.87%
|
1341 |
91.57%
|
||
642 - Word Amalgamation | 8435 |
55.09%
|
3675 |
92.22%
|
||
643 - Bulk Mailing | 636 |
19.18%
|
177 |
49.15%
|
||
644 - Immediate Decodability | 16120 |
44.18%
|
5043 |
91.49%
|
||
645 - File Mapping | 1202 |
25.87%
|
415 |
58.80%
|
||
646 - The Gourmet Club | 505 |
14.26%
|
98 |
30.61%
|
||
647 - Chutes and Ladders | 1619 |
58.99%
|
925 |
84.11%
|
||
648 - Stamps (II) | 577 |
30.68%
|
229 |
61.57%
|
||
649 - You Who? | 206 |
19.90%
|
84 |
33.33%
|
||
650 - Bowl | 814 |
10.81%
|
248 |
23.39%
|
||
651 - Deck | 1823 |
52.99%
|
916 |
85.59%
|
||
652 - Eight | 8550 |
19.05%
|
1122 |
52.94%
|
||
653 - Gizilch | 1151 |
31.10%
|
337 |
67.95%
|
||
654 - Ratio | 2370 |
29.92%
|
854 |
64.87%
|
||
655 - Scrabble | 897 |
10.59%
|
278 |
17.27%
|
||
656 - Optimal Programs | 2082 |
25.60%
|
561 |
64.35%
|
||
657 - The die is cast | 16981 |
28.56%
|
3614 |
80.13%
|
||
658 - It's not a Bug, it's a Feature! | 9395 |
32.68%
|
1350 |
82.74%
|
||
659 - Reflections | 732 |
36.20%
|
285 |
77.19%
|
||
660 - Going in circles on Alpha Centauri | 594 |
29.63%
|
208 |
66.83%
|
||
661 - Blowing Fuses | 23308 |
36.31%
|
7727 |
90.22%
|
||
662 - Fast Food | 5555 |
30.82%
|
1094 |
81.26%
|
||
663 - Sorting Slides | 4932 |
21.72%
|
1182 |
58.12%
|
||
664 - Single-Player Games | 618 |
26.70%
|
189 |
69.84%
|
||
665 - False coin | 7174 |
29.98%
|
2161 |
72.65%
|
||
666 - Rating | 421 |
8.08%
|
123 |
23.58%
|
||
667 - Fence | 613 |
18.27%
|
178 |
46.63%
|
||
668 - Parliament | 3657 |
29.26%
|
1191 |
67.51%
|
||
669 - Defragment | 1332 |
24.62%
|
319 |
62.38%
|
||
670 - The dog task | 8092 |
33.91%
|
1437 |
74.81%
|
||
671 - Spell checker | 4118 |
24.94%
|
960 |
65.94%
|
||
672 - Gangsters | 2574 |
25.49%
|
628 |
65.61%
|
||
673 - Parentheses Balance | 176183 |
26.94%
|
24863 |
80.73%
|
||
674 - Coin Change | 57930 |
48.55%
|
15903 |
91.48%
|
||
675 - Convex Hull of the Polygon | 2307 |
13.00%
|
383 |
41.51%
|
||
676 - Horse Step Maze | 1563 |
11.64%
|
289 |
50.87%
|
||
677 - All Walks of length "n" from the first node | 5164 |
37.68%
|
1631 |
84.24%
|
||
678 - Schedule of Taiwan Baseball League | 277 |
28.88%
|
119 |
47.06%
|
||
679 - Dropping Balls | 35445 |
42.32%
|
7420 |
86.05%
|
||
680 - Movement of Reading Head | 579 |
36.79%
|
216 |
79.17%
|
||
681 - Convex Hull Finding | 18782 |
26.19%
|
3076 |
74.64%
|
||
682 - Whoever-pick-the-last-one-lose | 675 |
32.59%
|
204 |
66.18%
|
||
683 - Character Decoding | 322 |
22.98%
|
119 |
43.70%
|
||
684 - Integral Determinant | 4284 |
19.58%
|
679 |
57.14%
|
||
685 - Least Path Cost | 842 |
32.66%
|
268 |
79.85%
|
||
686 - Goldbach's Conjecture (II) | 28564 |
56.12%
|
11463 |
93.94%
|
||
687 - Lattice Practices | 452 |
20.80%
|
98 |
56.12%
|
||
688 - Mobile Phone Coverage | 3278 |
35.78%
|
939 |
83.49%
|
||
689 - Napoleon's Grumble | 1320 |
12.80%
|
341 |
37.83%
|
||
690 - Pipeline Scheduling | 2912 |
33.76%
|
299 |
75.25%
|
||
691 - Triangle Partition | 1552 |
2.13%
|
131 |
15.27%
|
||
692 - BUT We Need a Diagram | 480 |
22.92%
|
149 |
56.38%
|
||
693 - Digital Racing Circuit | 423 |
8.04%
|
59 |
18.64%
|
||
694 - The Collatz Sequence | 40883 |
40.92%
|
13185 |
89.06%
|
||
695 - Placing the Ops | 1151 |
35.01%
|
207 |
69.57%
|
||
696 - How Many Knights | 15615 |
38.80%
|
4931 |
88.99%
|
||
697 - Jack and Jill | 3572 |
13.55%
|
680 |
39.56%
|
||
698 - Index | 2391 |
11.59%
|
483 |
31.47%
|
||
699 - The Falling Leaves | 20669 |
40.82%
|
4222 |
84.32%
|
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Display # | Results 1 - 100 of 100 |