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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
600 - A Duckpin Tournament | 1454 |
16.30%
|
291 |
34.02%
|
|
|
|
601 - The PATH | 5168 |
29.62%
|
1332 |
73.42%
|
|
|
|
602 - What Day Is It? | 10901 |
25.83%
|
1883 |
65.48%
|
|
|
|
603 - Parking Lot | 3653 |
24.28%
|
961 |
50.57%
|
|
|
|
604 - The Boggle Game | 4581 |
31.06%
|
1000 |
64.00%
|
|
|
605 - The Rotating Disk | 695 |
8.78%
|
115 |
28.70%
|
|
|
|
606 - Keeps Going and Going and ... | 729 |
16.46%
|
247 |
44.94%
|
|
|
|
607 - Scheduling Lectures | 7820 |
27.75%
|
1681 |
65.85%
|
|
|
|
608 - Counterfeit Dollar | 9619 |
35.61%
|
3107 |
78.44%
|
|
|
|
609 - Metal Cutting | 1536 |
19.21%
|
334 |
44.01%
|
|
|
|
610 - Street Directions | 8907 |
40.97%
|
2357 |
82.86%
|
|
|
|
611 - Parallel Deadlock | 485 |
15.46%
|
177 |
33.90%
|
|
|
|
612 - DNA Sorting | 47264 |
24.05%
|
9324 |
68.23%
|
|
|
|
613 - Numbers That Count | 2951 |
22.94%
|
903 |
50.94%
|
|
|
|
614 - Mapping the Route | 3110 |
35.72%
|
1123 |
71.77%
|
|
|
|
615 - Is It A Tree? | 23905 |
22.21%
|
4328 |
67.58%
|
|
|
|
616 - Coconuts, Revisited | 13313 |
29.41%
|
2987 |
72.68%
|
|
|
|
617 - Nonstop Travel | 2685 |
46.74%
|
1220 |
85.90%
|
|
|
|
618 - Doing Windows | 1195 |
27.53%
|
428 |
66.82%
|
|
|
|
619 - Numerically Speaking | 4579 |
49.92%
|
1675 |
86.45%
|
|
|
|
620 - Cellular Structure | 4080 |
53.01%
|
1828 |
86.82%
|
|
|
|
621 - Secret Research | 35279 |
47.00%
|
14250 |
90.13%
|
|
|
|
622 - Grammar Evaluation | 3164 |
24.87%
|
1057 |
58.94%
|
|
|
|
623 - 500! | 50254 |
30.63%
|
12735 |
74.92%
|
|
|
|
624 - CD | 50015 |
46.24%
|
11461 |
89.69%
|
|
|
|
625 - Compression | 1546 |
19.99%
|
404 |
58.91%
|
|
|
|
626 - Ecosystem | 3971 |
41.95%
|
1490 |
84.63%
|
|
|
|
627 - The Net | 6832 |
42.56%
|
2276 |
86.34%
|
|
|
|
628 - Passwords | 11174 |
58.48%
|
3898 |
90.56%
|
|
|
|
629 - Test | 551 |
52.27%
|
185 |
73.51%
|
|
|
|
630 - Anagrams (II) | 8525 |
27.47%
|
2325 |
68.86%
|
|
|
|
631 - Microzoft Calendar | 613 |
17.94%
|
151 |
54.30%
|
|
|
|
632 - Compression (II) | 2892 |
25.97%
|
802 |
71.95%
|
|
|
|
633 - A Chess Knight | 3034 |
21.89%
|
653 |
82.39%
|
|
|
|
634 - Polygon | 5597 |
52.85%
|
1969 |
90.55%
|
|
|
|
635 - Clock solitaire | 482 |
56.02%
|
241 |
83.82%
|
|
|
|
636 - Squares (III) | 4625 |
54.42%
|
2252 |
92.36%
|
|
|
|
637 - Booklet Printing | 9974 |
45.01%
|
4066 |
86.67%
|
|
|
|
638 - Finding Rectangles | 2903 |
37.03%
|
915 |
71.69%
|
|
|
|
639 - Don't Get Rooked | 9351 |
59.31%
|
4022 |
91.72%
|
|
|
|
640 - Self Numbers | 16206 |
50.33%
|
6071 |
89.85%
|
|
|
|
641 - Do the Untwist | 2614 |
65.11%
|
1357 |
91.67%
|
|
|
|
642 - Word Amalgamation | 8577 |
55.30%
|
3693 |
92.26%
|
|
|
|
643 - Bulk Mailing | 679 |
18.70%
|
183 |
50.27%
|
|
|
|
644 - Immediate Decodability | 16520 |
44.04%
|
5144 |
91.37%
|
|
|
|
645 - File Mapping | 1212 |
26.24%
|
418 |
58.85%
|
|
|
|
646 - The Gourmet Club | 509 |
14.54%
|
99 |
32.32%
|
|
|
|
647 - Chutes and Ladders | 1646 |
58.87%
|
942 |
83.76%
|
|
|
|
648 - Stamps (II) | 583 |
31.22%
|
233 |
62.23%
|
|
|
|
649 - You Who? | 223 |
21.08%
|
87 |
36.78%
|
|
|
|
650 - Bowl | 815 |
10.80%
|
249 |
23.29%
|
|
|
|
651 - Deck | 1835 |
53.08%
|
923 |
85.59%
|
|
|
|
652 - Eight | 9138 |
18.96%
|
1152 |
52.86%
|
|
|
|
653 - Gizilch | 1154 |
31.28%
|
338 |
68.34%
|
|
|
|
654 - Ratio | 2386 |
29.80%
|
857 |
64.88%
|
|
|
|
655 - Scrabble | 898 |
10.58%
|
279 |
17.20%
|
|
|
|
656 - Optimal Programs | 2101 |
25.46%
|
564 |
64.36%
|
|
|
|
657 - The die is cast | 17414 |
28.45%
|
3649 |
80.16%
|
|
|
|
658 - It's not a Bug, it's a Feature! | 9674 |
32.76%
|
1396 |
83.09%
|
|
|
|
659 - Reflections | 735 |
36.05%
|
286 |
76.92%
|
|
|
|
660 - Going in circles on Alpha Centauri | 599 |
29.72%
|
210 |
67.14%
|
|
|
|
661 - Blowing Fuses | 23734 |
36.22%
|
7807 |
90.19%
|
|
|
|
662 - Fast Food | 5894 |
30.73%
|
1115 |
81.35%
|
|
|
|
663 - Sorting Slides | 5204 |
21.68%
|
1235 |
58.70%
|
|
|
|
664 - Single-Player Games | 699 |
23.89%
|
190 |
70.00%
|
|
|
|
665 - False coin | 7346 |
29.95%
|
2197 |
72.96%
|
|
|
|
666 - Rating | 423 |
8.04%
|
124 |
23.39%
|
|
|
|
667 - Fence | 619 |
18.26%
|
179 |
46.93%
|
|
|
|
668 - Parliament | 3743 |
29.01%
|
1203 |
67.58%
|
|
|
|
669 - Defragment | 1345 |
24.91%
|
322 |
62.42%
|
|
|
|
670 - The dog task | 8180 |
33.81%
|
1448 |
75.00%
|
|
|
|
671 - Spell checker | 4141 |
24.92%
|
964 |
65.98%
|
|
|
|
672 - Gangsters | 2597 |
25.76%
|
636 |
66.04%
|
|
|
|
673 - Parentheses Balance | 187908 |
26.92%
|
25616 |
80.66%
|
|
|
|
674 - Coin Change | 61798 |
48.21%
|
16146 |
91.50%
|
|
|
|
675 - Convex Hull of the Polygon | 2343 |
13.15%
|
395 |
41.52%
|
|
|
|
676 - Horse Step Maze | 1571 |
11.78%
|
291 |
51.20%
|
|
|
|
677 - All Walks of length "n" from the first node | 5305 |
37.34%
|
1646 |
84.20%
|
|
|
|
678 - Schedule of Taiwan Baseball League | 287 |
28.57%
|
123 |
47.15%
|
|
|
|
679 - Dropping Balls | 37044 |
42.24%
|
7700 |
85.75%
|
|
|
|
680 - Movement of Reading Head | 582 |
36.94%
|
217 |
79.26%
|
|
|
|
681 - Convex Hull Finding | 19073 |
26.48%
|
3109 |
74.85%
|
|
|
|
682 - Whoever-pick-the-last-one-lose | 695 |
32.52%
|
206 |
66.02%
|
|
|
|
683 - Character Decoding | 322 |
22.98%
|
119 |
43.70%
|
|
|
|
684 - Integral Determinant | 4336 |
19.79%
|
698 |
57.74%
|
|
|
|
685 - Least Path Cost | 848 |
32.78%
|
272 |
79.78%
|
|
|
|
686 - Goldbach's Conjecture (II) | 29137 |
56.13%
|
11560 |
93.94%
|
|
|
|
687 - Lattice Practices | 452 |
20.80%
|
98 |
56.12%
|
|
|
|
688 - Mobile Phone Coverage | 3288 |
35.77%
|
941 |
83.53%
|
|
|
|
689 - Napoleon's Grumble | 1332 |
13.14%
|
342 |
38.30%
|
|
|
|
690 - Pipeline Scheduling | 2969 |
33.55%
|
307 |
74.92%
|
|
|
|
691 - Triangle Partition | 1552 |
2.13%
|
131 |
15.27%
|
|
|
|
692 - BUT We Need a Diagram | 481 |
22.87%
|
150 |
56.00%
|
|
|
|
693 - Digital Racing Circuit | 423 |
8.04%
|
59 |
18.64%
|
|
|
|
694 - The Collatz Sequence | 41049 |
40.92%
|
13236 |
89.04%
|
|
|
|
695 - Placing the Ops | 1151 |
35.01%
|
207 |
69.57%
|
|
|
|
696 - How Many Knights | 16733 |
38.81%
|
5024 |
88.97%
|
|
|
|
697 - Jack and Jill | 3789 |
13.88%
|
686 |
40.09%
|
|
|
|
698 - Index | 2407 |
11.63%
|
485 |
31.55%
|
|
|
|
699 - The Falling Leaves | 21306 |
40.74%
|
4299 |
84.41%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |