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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
600 - A Duckpin Tournament | 1468 |
16.42%
|
302 |
34.11%
|
|
|
|
601 - The PATH | 5210 |
29.54%
|
1339 |
73.41%
|
|
|
|
602 - What Day Is It? | 10917 |
25.83%
|
1887 |
65.34%
|
|
|
|
603 - Parking Lot | 3654 |
24.27%
|
962 |
50.52%
|
|
|
|
604 - The Boggle Game | 4588 |
31.04%
|
1003 |
63.81%
|
|
|
605 - The Rotating Disk | 703 |
8.96%
|
122 |
28.69%
|
|
|
|
606 - Keeps Going and Going and ... | 736 |
16.85%
|
252 |
45.63%
|
|
|
|
607 - Scheduling Lectures | 8031 |
27.92%
|
1696 |
66.04%
|
|
|
|
608 - Counterfeit Dollar | 9709 |
35.60%
|
3120 |
78.40%
|
|
|
|
609 - Metal Cutting | 1541 |
19.34%
|
337 |
44.21%
|
|
|
|
610 - Street Directions | 9450 |
41.05%
|
2418 |
83.04%
|
|
|
|
611 - Parallel Deadlock | 487 |
15.40%
|
179 |
33.52%
|
|
|
|
612 - DNA Sorting | 48140 |
24.18%
|
9392 |
68.38%
|
|
|
|
613 - Numbers That Count | 2955 |
22.94%
|
906 |
50.88%
|
|
|
|
614 - Mapping the Route | 3125 |
35.78%
|
1130 |
71.68%
|
|
|
|
615 - Is It A Tree? | 24954 |
22.75%
|
4368 |
67.61%
|
|
|
|
616 - Coconuts, Revisited | 13566 |
29.28%
|
3006 |
72.72%
|
|
|
|
617 - Nonstop Travel | 2699 |
46.65%
|
1229 |
85.60%
|
|
|
|
618 - Doing Windows | 1200 |
27.58%
|
431 |
66.59%
|
|
|
|
619 - Numerically Speaking | 4586 |
49.91%
|
1680 |
86.37%
|
|
|
|
620 - Cellular Structure | 4106 |
52.95%
|
1833 |
86.80%
|
|
|
|
621 - Secret Research | 35760 |
47.11%
|
14335 |
90.12%
|
|
|
|
622 - Grammar Evaluation | 3175 |
25.01%
|
1063 |
58.98%
|
|
|
|
623 - 500! | 50367 |
30.69%
|
12747 |
74.93%
|
|
|
|
624 - CD | 51300 |
46.64%
|
11554 |
89.73%
|
|
|
|
625 - Compression | 1548 |
20.03%
|
405 |
59.01%
|
|
|
|
626 - Ecosystem | 3981 |
41.95%
|
1496 |
84.49%
|
|
|
|
627 - The Net | 7013 |
42.38%
|
2295 |
86.27%
|
|
|
|
628 - Passwords | 11878 |
58.87%
|
3961 |
90.63%
|
|
|
|
629 - Test | 559 |
52.77%
|
190 |
74.21%
|
|
|
|
630 - Anagrams (II) | 8560 |
27.54%
|
2336 |
68.88%
|
|
|
|
631 - Microzoft Calendar | 684 |
18.57%
|
170 |
57.06%
|
|
|
|
632 - Compression (II) | 2919 |
26.00%
|
806 |
71.96%
|
|
|
|
633 - A Chess Knight | 3046 |
22.06%
|
658 |
82.37%
|
|
|
|
634 - Polygon | 5725 |
53.07%
|
1984 |
90.57%
|
|
|
|
635 - Clock solitaire | 484 |
55.99%
|
243 |
83.54%
|
|
|
|
636 - Squares (III) | 4639 |
54.43%
|
2258 |
92.34%
|
|
|
|
637 - Booklet Printing | 10062 |
44.94%
|
4087 |
86.67%
|
|
|
|
638 - Finding Rectangles | 2914 |
36.99%
|
919 |
71.71%
|
|
|
|
639 - Don't Get Rooked | 9457 |
59.48%
|
4043 |
91.71%
|
|
|
|
640 - Self Numbers | 16505 |
50.09%
|
6081 |
89.84%
|
|
|
|
641 - Do the Untwist | 2618 |
65.09%
|
1361 |
91.55%
|
|
|
|
642 - Word Amalgamation | 8654 |
55.34%
|
3707 |
92.23%
|
|
|
|
643 - Bulk Mailing | 680 |
18.68%
|
184 |
50.00%
|
|
|
|
644 - Immediate Decodability | 16604 |
44.01%
|
5166 |
91.35%
|
|
|
|
645 - File Mapping | 1213 |
26.22%
|
419 |
58.71%
|
|
|
|
646 - The Gourmet Club | 526 |
15.02%
|
103 |
33.98%
|
|
|
|
647 - Chutes and Ladders | 1651 |
58.87%
|
947 |
83.63%
|
|
|
|
648 - Stamps (II) | 584 |
31.16%
|
234 |
61.97%
|
|
|
|
649 - You Who? | 223 |
21.08%
|
87 |
36.78%
|
|
|
|
650 - Bowl | 816 |
10.78%
|
250 |
23.20%
|
|
|
|
651 - Deck | 1854 |
52.97%
|
926 |
85.53%
|
|
|
|
652 - Eight | 9439 |
18.83%
|
1169 |
52.78%
|
|
|
|
653 - Gizilch | 1155 |
31.26%
|
339 |
68.14%
|
|
|
|
654 - Ratio | 2392 |
29.81%
|
860 |
64.88%
|
|
|
|
655 - Scrabble | 903 |
10.63%
|
281 |
17.44%
|
|
|
|
656 - Optimal Programs | 2102 |
25.45%
|
565 |
64.25%
|
|
|
|
657 - The die is cast | 17814 |
28.49%
|
3688 |
80.31%
|
|
|
|
658 - It's not a Bug, it's a Feature! | 10082 |
32.18%
|
1444 |
81.79%
|
|
|
|
659 - Reflections | 750 |
35.87%
|
292 |
76.71%
|
|
|
|
660 - Going in circles on Alpha Centauri | 606 |
29.70%
|
215 |
66.51%
|
|
|
|
661 - Blowing Fuses | 24143 |
36.35%
|
7849 |
90.22%
|
|
|
|
662 - Fast Food | 6085 |
30.78%
|
1139 |
81.30%
|
|
|
|
663 - Sorting Slides | 5257 |
21.76%
|
1253 |
58.90%
|
|
|
|
664 - Single-Player Games | 702 |
24.07%
|
193 |
69.95%
|
|
|
|
665 - False coin | 7412 |
30.05%
|
2213 |
73.07%
|
|
|
|
666 - Rating | 427 |
8.67%
|
128 |
25.00%
|
|
|
|
667 - Fence | 620 |
18.23%
|
180 |
46.67%
|
|
|
|
668 - Parliament | 3794 |
29.10%
|
1215 |
67.65%
|
|
|
|
669 - Defragment | 1359 |
24.80%
|
324 |
62.35%
|
|
|
|
670 - The dog task | 8250 |
33.77%
|
1464 |
75.07%
|
|
|
|
671 - Spell checker | 4163 |
24.98%
|
968 |
66.01%
|
|
|
|
672 - Gangsters | 2602 |
25.83%
|
640 |
66.09%
|
|
|
|
673 - Parentheses Balance | 193746 |
27.14%
|
25950 |
80.66%
|
|
|
|
674 - Coin Change | 63557 |
48.57%
|
16294 |
91.53%
|
|
|
|
675 - Convex Hull of the Polygon | 2402 |
13.24%
|
405 |
42.47%
|
|
|
|
676 - Horse Step Maze | 1572 |
11.77%
|
292 |
51.03%
|
|
|
|
677 - All Walks of length "n" from the first node | 5430 |
37.00%
|
1654 |
83.98%
|
|
|
|
678 - Schedule of Taiwan Baseball League | 288 |
28.47%
|
124 |
46.77%
|
|
|
|
679 - Dropping Balls | 37597 |
42.19%
|
7834 |
85.74%
|
|
|
|
680 - Movement of Reading Head | 585 |
37.09%
|
220 |
79.09%
|
|
|
|
681 - Convex Hull Finding | 19224 |
26.56%
|
3143 |
74.96%
|
|
|
|
682 - Whoever-pick-the-last-one-lose | 696 |
32.47%
|
207 |
65.70%
|
|
|
|
683 - Character Decoding | 330 |
23.33%
|
123 |
44.72%
|
|
|
|
684 - Integral Determinant | 4374 |
19.71%
|
703 |
57.89%
|
|
|
|
685 - Least Path Cost | 855 |
32.98%
|
277 |
79.42%
|
|
|
|
686 - Goldbach's Conjecture (II) | 29429 |
56.14%
|
11602 |
93.93%
|
|
|
|
687 - Lattice Practices | 454 |
20.70%
|
100 |
55.00%
|
|
|
|
688 - Mobile Phone Coverage | 3298 |
35.78%
|
945 |
83.49%
|
|
|
|
689 - Napoleon's Grumble | 1333 |
13.13%
|
343 |
38.19%
|
|
|
|
690 - Pipeline Scheduling | 3060 |
33.27%
|
318 |
75.16%
|
|
|
|
691 - Triangle Partition | 1559 |
2.12%
|
134 |
14.93%
|
|
|
|
692 - BUT We Need a Diagram | 491 |
22.81%
|
152 |
56.58%
|
|
|
|
693 - Digital Racing Circuit | 474 |
7.59%
|
64 |
18.75%
|
|
|
|
694 - The Collatz Sequence | 41190 |
40.92%
|
13260 |
89.05%
|
|
|
|
695 - Placing the Ops | 1156 |
35.12%
|
212 |
69.34%
|
|
|
|
696 - How Many Knights | 17095 |
38.68%
|
5075 |
88.95%
|
|
|
|
697 - Jack and Jill | 3918 |
14.14%
|
695 |
40.29%
|
|
|
|
698 - Index | 2408 |
11.63%
|
486 |
31.48%
|
|
|
|
699 - The Falling Leaves | 21662 |
40.72%
|
4338 |
84.42%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |