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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 | 5212 |
29.53%
|
1339 |
73.41%
|
|
|
|
602 - What Day Is It? | 10922 |
25.84%
|
1889 |
65.38%
|
|
|
|
603 - Parking Lot | 3656 |
24.29%
|
963 |
50.57%
|
|
|
|
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 | 9710 |
35.60%
|
3120 |
78.40%
|
|
|
|
609 - Metal Cutting | 1541 |
19.34%
|
337 |
44.21%
|
|
|
|
610 - Street Directions | 9505 |
41.07%
|
2422 |
83.07%
|
|
|
|
611 - Parallel Deadlock | 487 |
15.40%
|
179 |
33.52%
|
|
|
|
612 - DNA Sorting | 48182 |
24.20%
|
9400 |
68.38%
|
|
|
|
613 - Numbers That Count | 2955 |
22.94%
|
906 |
50.88%
|
|
|
|
614 - Mapping the Route | 3127 |
35.75%
|
1131 |
71.62%
|
|
|
|
615 - Is It A Tree? | 24980 |
22.75%
|
4369 |
67.61%
|
|
|
|
616 - Coconuts, Revisited | 13573 |
29.28%
|
3008 |
72.74%
|
|
|
|
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 | 4108 |
52.97%
|
1835 |
86.81%
|
|
|
|
621 - Secret Research | 35768 |
47.12%
|
14339 |
90.12%
|
|
|
|
622 - Grammar Evaluation | 3177 |
25.06%
|
1065 |
59.06%
|
|
|
|
623 - 500! | 50385 |
30.68%
|
12749 |
74.93%
|
|
|
|
624 - CD | 51366 |
46.70%
|
11560 |
89.73%
|
|
|
|
625 - Compression | 1548 |
20.03%
|
405 |
59.01%
|
|
|
|
626 - Ecosystem | 3981 |
41.95%
|
1496 |
84.49%
|
|
|
|
627 - The Net | 7019 |
42.40%
|
2298 |
86.29%
|
|
|
|
628 - Passwords | 11956 |
58.88%
|
3968 |
90.62%
|
|
|
|
629 - Test | 559 |
52.77%
|
190 |
74.21%
|
|
|
|
630 - Anagrams (II) | 8567 |
27.55%
|
2338 |
68.91%
|
|
|
|
631 - Microzoft Calendar | 684 |
18.57%
|
170 |
57.06%
|
|
|
|
632 - Compression (II) | 2920 |
25.99%
|
807 |
71.87%
|
|
|
|
633 - A Chess Knight | 3046 |
22.06%
|
658 |
82.37%
|
|
|
|
634 - Polygon | 5728 |
53.09%
|
1984 |
90.57%
|
|
|
|
635 - Clock solitaire | 484 |
55.99%
|
243 |
83.54%
|
|
|
|
636 - Squares (III) | 4648 |
54.35%
|
2259 |
92.34%
|
|
|
|
637 - Booklet Printing | 10066 |
44.94%
|
4088 |
86.64%
|
|
|
|
638 - Finding Rectangles | 2914 |
36.99%
|
919 |
71.71%
|
|
|
|
639 - Don't Get Rooked | 9470 |
59.52%
|
4048 |
91.72%
|
|
|
|
640 - Self Numbers | 16508 |
50.10%
|
6084 |
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 | 16609 |
44.02%
|
5169 |
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 | 1653 |
58.80%
|
948 |
83.54%
|
|
|
|
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 | 9442 |
18.83%
|
1171 |
52.78%
|
|
|
|
653 - Gizilch | 1155 |
31.26%
|
339 |
68.14%
|
|
|
|
654 - Ratio | 2394 |
29.87%
|
861 |
64.92%
|
|
|
|
655 - Scrabble | 903 |
10.63%
|
281 |
17.44%
|
|
|
|
656 - Optimal Programs | 2102 |
25.45%
|
565 |
64.25%
|
|
|
|
657 - The die is cast | 17822 |
28.49%
|
3688 |
80.31%
|
|
|
|
658 - It's not a Bug, it's a Feature! | 10086 |
32.19%
|
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 | 24147 |
36.36%
|
7853 |
90.22%
|
|
|
|
662 - Fast Food | 6096 |
30.79%
|
1140 |
81.32%
|
|
|
|
663 - Sorting Slides | 5257 |
21.76%
|
1253 |
58.90%
|
|
|
|
664 - Single-Player Games | 702 |
24.07%
|
193 |
69.95%
|
|
|
|
665 - False coin | 7415 |
30.07%
|
2213 |
73.07%
|
|
|
|
666 - Rating | 427 |
8.67%
|
128 |
25.00%
|
|
|
|
667 - Fence | 620 |
18.23%
|
180 |
46.67%
|
|
|
|
668 - Parliament | 3808 |
29.04%
|
1216 |
67.68%
|
|
|
|
669 - Defragment | 1359 |
24.80%
|
324 |
62.35%
|
|
|
|
670 - The dog task | 8250 |
33.77%
|
1464 |
75.07%
|
|
|
|
671 - Spell checker | 4168 |
24.98%
|
969 |
66.05%
|
|
|
|
672 - Gangsters | 2602 |
25.83%
|
640 |
66.09%
|
|
|
|
673 - Parentheses Balance | 193899 |
27.15%
|
25974 |
80.68%
|
|
|
|
674 - Coin Change | 63637 |
48.58%
|
16300 |
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 | 37630 |
42.20%
|
7840 |
85.74%
|
|
|
|
680 - Movement of Reading Head | 585 |
37.09%
|
220 |
79.09%
|
|
|
|
681 - Convex Hull Finding | 19230 |
26.57%
|
3144 |
75.00%
|
|
|
|
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 | 4375 |
19.73%
|
704 |
57.95%
|
|
|
|
685 - Least Path Cost | 855 |
32.98%
|
277 |
79.42%
|
|
|
|
686 - Goldbach's Conjecture (II) | 29438 |
56.13%
|
11604 |
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 | 41195 |
40.93%
|
13262 |
89.05%
|
|
|
|
695 - Placing the Ops | 1156 |
35.12%
|
212 |
69.34%
|
|
|
|
696 - How Many Knights | 17101 |
38.69%
|
5078 |
88.95%
|
|
|
|
697 - Jack and Jill | 3923 |
14.15%
|
695 |
40.29%
|
|
|
|
698 - Index | 2420 |
11.57%
|
487 |
31.42%
|
|
|
|
699 - The Falling Leaves | 21681 |
40.73%
|
4339 |
84.42%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |