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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
600 - A Duckpin Tournament | 1475 |
16.81%
|
304 |
34.54%
|
|
|
|
601 - The PATH | 5221 |
29.63%
|
1340 |
73.51%
|
|
|
|
602 - What Day Is It? | 10923 |
25.84%
|
1890 |
65.40%
|
|
|
|
603 - Parking Lot | 3659 |
24.35%
|
964 |
50.73%
|
|
|
|
604 - The Boggle Game | 4590 |
31.07%
|
1004 |
63.84%
|
|
|
605 - The Rotating Disk | 731 |
9.58%
|
127 |
31.50%
|
|
|
|
606 - Keeps Going and Going and ... | 755 |
16.95%
|
260 |
45.77%
|
|
|
|
607 - Scheduling Lectures | 8051 |
27.93%
|
1699 |
66.04%
|
|
|
|
608 - Counterfeit Dollar | 9725 |
35.66%
|
3122 |
78.41%
|
|
|
|
609 - Metal Cutting | 1544 |
19.49%
|
339 |
44.54%
|
|
|
|
610 - Street Directions | 9552 |
41.12%
|
2429 |
83.00%
|
|
|
|
611 - Parallel Deadlock | 492 |
15.85%
|
181 |
34.81%
|
|
|
|
612 - DNA Sorting | 48206 |
24.21%
|
9405 |
68.39%
|
|
|
|
613 - Numbers That Count | 2966 |
23.23%
|
906 |
51.21%
|
|
|
|
614 - Mapping the Route | 3131 |
35.84%
|
1133 |
71.67%
|
|
|
|
615 - Is It A Tree? | 25047 |
22.81%
|
4373 |
67.62%
|
|
|
|
616 - Coconuts, Revisited | 13598 |
29.31%
|
3013 |
72.78%
|
|
|
|
617 - Nonstop Travel | 2708 |
46.71%
|
1232 |
85.63%
|
|
|
|
618 - Doing Windows | 1205 |
27.80%
|
432 |
66.67%
|
|
|
|
619 - Numerically Speaking | 4590 |
49.96%
|
1681 |
86.38%
|
|
|
|
620 - Cellular Structure | 4113 |
53.03%
|
1836 |
86.82%
|
|
|
|
621 - Secret Research | 35788 |
47.13%
|
14347 |
90.12%
|
|
|
|
622 - Grammar Evaluation | 3183 |
25.20%
|
1066 |
59.19%
|
|
|
|
623 - 500! | 50390 |
30.69%
|
12751 |
74.94%
|
|
|
|
624 - CD | 51390 |
46.70%
|
11565 |
89.74%
|
|
|
|
625 - Compression | 1550 |
20.13%
|
407 |
59.21%
|
|
|
|
626 - Ecosystem | 3984 |
41.99%
|
1498 |
84.51%
|
|
|
|
627 - The Net | 7027 |
42.45%
|
2300 |
86.30%
|
|
|
|
628 - Passwords | 12001 |
58.92%
|
3974 |
90.61%
|
|
|
|
629 - Test | 560 |
52.86%
|
191 |
74.35%
|
|
|
|
630 - Anagrams (II) | 8581 |
27.55%
|
2340 |
68.93%
|
|
|
|
631 - Microzoft Calendar | 691 |
19.25%
|
174 |
58.05%
|
|
|
|
632 - Compression (II) | 2924 |
26.06%
|
809 |
71.82%
|
|
|
|
633 - A Chess Knight | 3050 |
22.16%
|
660 |
82.42%
|
|
|
|
634 - Polygon | 5743 |
53.20%
|
1990 |
90.60%
|
|
|
|
635 - Clock solitaire | 486 |
56.17%
|
245 |
83.67%
|
|
|
|
636 - Squares (III) | 4653 |
54.33%
|
2261 |
92.30%
|
|
|
|
637 - Booklet Printing | 10081 |
44.97%
|
4094 |
86.66%
|
|
|
|
638 - Finding Rectangles | 2921 |
37.04%
|
921 |
71.77%
|
|
|
|
639 - Don't Get Rooked | 9508 |
59.62%
|
4055 |
91.74%
|
|
|
|
640 - Self Numbers | 16537 |
50.14%
|
6086 |
89.85%
|
|
|
|
641 - Do the Untwist | 2622 |
65.14%
|
1364 |
91.57%
|
|
|
|
642 - Word Amalgamation | 8662 |
55.38%
|
3711 |
92.24%
|
|
|
|
643 - Bulk Mailing | 700 |
18.71%
|
188 |
50.53%
|
|
|
|
644 - Immediate Decodability | 16623 |
44.04%
|
5173 |
91.36%
|
|
|
|
645 - File Mapping | 1220 |
26.39%
|
422 |
59.24%
|
|
|
|
646 - The Gourmet Club | 589 |
16.64%
|
106 |
43.40%
|
|
|
|
647 - Chutes and Ladders | 1655 |
58.85%
|
949 |
83.56%
|
|
|
|
648 - Stamps (II) | 591 |
31.13%
|
237 |
62.03%
|
|
|
|
649 - You Who? | 226 |
22.12%
|
89 |
39.33%
|
|
|
|
650 - Bowl | 825 |
11.03%
|
253 |
24.11%
|
|
|
|
651 - Deck | 1855 |
52.99%
|
926 |
85.64%
|
|
|
|
652 - Eight | 9466 |
18.86%
|
1174 |
52.81%
|
|
|
|
653 - Gizilch | 1160 |
31.29%
|
344 |
67.73%
|
|
|
|
654 - Ratio | 2397 |
29.95%
|
862 |
64.97%
|
|
|
|
655 - Scrabble | 907 |
11.03%
|
283 |
18.73%
|
|
|
|
656 - Optimal Programs | 2105 |
25.56%
|
566 |
64.31%
|
|
|
|
657 - The die is cast | 17887 |
28.48%
|
3692 |
80.34%
|
|
|
|
658 - It's not a Bug, it's a Feature! | 10105 |
32.23%
|
1446 |
81.81%
|
|
|
|
659 - Reflections | 751 |
35.95%
|
293 |
76.79%
|
|
|
|
660 - Going in circles on Alpha Centauri | 611 |
29.62%
|
217 |
66.36%
|
|
|
|
661 - Blowing Fuses | 24158 |
36.39%
|
7861 |
90.23%
|
|
|
|
662 - Fast Food | 6142 |
30.84%
|
1143 |
81.28%
|
|
|
|
663 - Sorting Slides | 5262 |
21.78%
|
1254 |
58.93%
|
|
|
|
664 - Single-Player Games | 703 |
24.18%
|
194 |
70.10%
|
|
|
|
665 - False coin | 7494 |
30.33%
|
2230 |
73.18%
|
|
|
|
666 - Rating | 436 |
9.40%
|
132 |
27.27%
|
|
|
|
667 - Fence | 624 |
18.59%
|
182 |
47.80%
|
|
|
|
668 - Parliament | 3812 |
29.09%
|
1218 |
67.65%
|
|
|
|
669 - Defragment | 1363 |
25.02%
|
326 |
62.58%
|
|
|
|
670 - The dog task | 8256 |
33.78%
|
1466 |
75.10%
|
|
|
|
671 - Spell checker | 4176 |
25.02%
|
972 |
66.15%
|
|
|
|
672 - Gangsters | 2603 |
25.85%
|
641 |
66.15%
|
|
|
|
673 - Parentheses Balance | 194153 |
27.16%
|
25999 |
80.69%
|
|
|
|
674 - Coin Change | 63746 |
48.61%
|
16313 |
91.53%
|
|
|
|
675 - Convex Hull of the Polygon | 2405 |
13.35%
|
406 |
42.61%
|
|
|
|
676 - Horse Step Maze | 1578 |
11.79%
|
293 |
51.19%
|
|
|
|
677 - All Walks of length "n" from the first node | 5432 |
37.02%
|
1655 |
83.99%
|
|
|
|
678 - Schedule of Taiwan Baseball League | 297 |
28.96%
|
128 |
48.44%
|
|
|
|
679 - Dropping Balls | 37693 |
42.23%
|
7848 |
85.74%
|
|
|
|
680 - Movement of Reading Head | 606 |
38.45%
|
229 |
79.91%
|
|
|
|
681 - Convex Hull Finding | 19425 |
26.44%
|
3147 |
75.02%
|
|
|
|
682 - Whoever-pick-the-last-one-lose | 697 |
32.57%
|
208 |
65.87%
|
|
|
|
683 - Character Decoding | 334 |
23.95%
|
126 |
46.03%
|
|
|
|
684 - Integral Determinant | 4379 |
19.80%
|
708 |
58.19%
|
|
|
|
685 - Least Path Cost | 858 |
33.22%
|
279 |
79.57%
|
|
|
|
686 - Goldbach's Conjecture (II) | 29454 |
56.12%
|
11607 |
93.93%
|
|
|
|
687 - Lattice Practices | 490 |
20.20%
|
105 |
55.24%
|
|
|
|
688 - Mobile Phone Coverage | 3305 |
35.76%
|
947 |
83.53%
|
|
|
|
689 - Napoleon's Grumble | 1334 |
13.19%
|
344 |
38.37%
|
|
|
|
690 - Pipeline Scheduling | 3065 |
33.31%
|
320 |
75.31%
|
|
|
|
691 - Triangle Partition | 1625 |
2.77%
|
142 |
18.31%
|
|
|
|
692 - BUT We Need a Diagram | 513 |
23.59%
|
161 |
57.76%
|
|
|
|
693 - Digital Racing Circuit | 478 |
8.37%
|
68 |
23.53%
|
|
|
|
694 - The Collatz Sequence | 41230 |
40.93%
|
13265 |
89.05%
|
|
|
|
695 - Placing the Ops | 1161 |
35.31%
|
215 |
69.77%
|
|
|
|
696 - How Many Knights | 17122 |
38.72%
|
5087 |
88.95%
|
|
|
|
697 - Jack and Jill | 3929 |
14.13%
|
696 |
40.23%
|
|
|
|
698 - Index | 2424 |
11.72%
|
488 |
31.56%
|
|
|
|
699 - The Falling Leaves | 21712 |
40.78%
|
4339 |
84.42%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |