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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
600 - A Duckpin Tournament | 1474 |
16.76%
|
303 |
34.32%
|
|
|
|
601 - The PATH | 5221 |
29.63%
|
1340 |
73.51%
|
|
|
|
602 - What Day Is It? | 10923 |
25.84%
|
1890 |
65.40%
|
|
|
|
603 - Parking Lot | 3658 |
24.33%
|
964 |
50.62%
|
|
|
|
604 - The Boggle Game | 4590 |
31.07%
|
1004 |
63.84%
|
|
|
605 - The Rotating Disk | 717 |
9.62%
|
126 |
30.95%
|
|
|
|
606 - Keeps Going and Going and ... | 754 |
16.84%
|
259 |
45.56%
|
|
|
|
607 - Scheduling Lectures | 8044 |
27.95%
|
1698 |
66.08%
|
|
|
|
608 - Counterfeit Dollar | 9725 |
35.66%
|
3122 |
78.41%
|
|
|
|
609 - Metal Cutting | 1543 |
19.44%
|
338 |
44.38%
|
|
|
|
610 - Street Directions | 9535 |
41.09%
|
2428 |
83.03%
|
|
|
|
611 - Parallel Deadlock | 491 |
15.68%
|
180 |
34.44%
|
|
|
|
612 - DNA Sorting | 48205 |
24.21%
|
9404 |
68.39%
|
|
|
|
613 - Numbers That Count | 2965 |
23.20%
|
906 |
51.10%
|
|
|
|
614 - Mapping the Route | 3131 |
35.84%
|
1133 |
71.67%
|
|
|
|
615 - Is It A Tree? | 25039 |
22.80%
|
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 | 35783 |
47.13%
|
14344 |
90.12%
|
|
|
|
622 - Grammar Evaluation | 3182 |
25.17%
|
1066 |
59.10%
|
|
|
|
623 - 500! | 50390 |
30.69%
|
12751 |
74.94%
|
|
|
|
624 - CD | 51385 |
46.70%
|
11564 |
89.74%
|
|
|
|
625 - Compression | 1549 |
20.08%
|
406 |
59.11%
|
|
|
|
626 - Ecosystem | 3984 |
41.99%
|
1498 |
84.51%
|
|
|
|
627 - The Net | 7027 |
42.45%
|
2300 |
86.30%
|
|
|
|
628 - Passwords | 12000 |
58.92%
|
3974 |
90.61%
|
|
|
|
629 - Test | 559 |
52.77%
|
190 |
74.21%
|
|
|
|
630 - Anagrams (II) | 8581 |
27.55%
|
2340 |
68.93%
|
|
|
|
631 - Microzoft Calendar | 690 |
19.13%
|
173 |
57.80%
|
|
|
|
632 - Compression (II) | 2924 |
26.06%
|
809 |
71.82%
|
|
|
|
633 - A Chess Knight | 3050 |
22.16%
|
660 |
82.42%
|
|
|
|
634 - Polygon | 5742 |
53.19%
|
1990 |
90.60%
|
|
|
|
635 - Clock solitaire | 484 |
55.99%
|
243 |
83.54%
|
|
|
|
636 - Squares (III) | 4652 |
54.32%
|
2261 |
92.30%
|
|
|
|
637 - Booklet Printing | 10080 |
44.96%
|
4094 |
86.66%
|
|
|
|
638 - Finding Rectangles | 2920 |
37.02%
|
921 |
71.77%
|
|
|
|
639 - Don't Get Rooked | 9505 |
59.61%
|
4055 |
91.74%
|
|
|
|
640 - Self Numbers | 16536 |
50.14%
|
6086 |
89.85%
|
|
|
|
641 - Do the Untwist | 2621 |
65.13%
|
1364 |
91.57%
|
|
|
|
642 - Word Amalgamation | 8661 |
55.37%
|
3711 |
92.24%
|
|
|
|
643 - Bulk Mailing | 684 |
19.01%
|
187 |
50.27%
|
|
|
|
644 - Immediate Decodability | 16619 |
44.03%
|
5172 |
91.36%
|
|
|
|
645 - File Mapping | 1219 |
26.33%
|
422 |
59.00%
|
|
|
|
646 - The Gourmet Club | 588 |
16.50%
|
105 |
42.86%
|
|
|
|
647 - Chutes and Ladders | 1654 |
58.83%
|
949 |
83.56%
|
|
|
|
648 - Stamps (II) | 589 |
30.90%
|
236 |
61.44%
|
|
|
|
649 - You Who? | 225 |
21.78%
|
88 |
38.64%
|
|
|
|
650 - Bowl | 820 |
10.98%
|
252 |
23.81%
|
|
|
|
651 - Deck | 1854 |
52.97%
|
926 |
85.53%
|
|
|
|
652 - Eight | 9464 |
18.84%
|
1174 |
52.81%
|
|
|
|
653 - Gizilch | 1158 |
31.26%
|
342 |
67.84%
|
|
|
|
654 - Ratio | 2396 |
29.92%
|
862 |
64.97%
|
|
|
|
655 - Scrabble | 905 |
10.83%
|
282 |
18.09%
|
|
|
|
656 - Optimal Programs | 2104 |
25.52%
|
566 |
64.31%
|
|
|
|
657 - The die is cast | 17879 |
28.49%
|
3692 |
80.34%
|
|
|
|
658 - It's not a Bug, it's a Feature! | 10092 |
32.22%
|
1446 |
81.81%
|
|
|
|
659 - Reflections | 750 |
35.87%
|
292 |
76.71%
|
|
|
|
660 - Going in circles on Alpha Centauri | 607 |
29.65%
|
216 |
66.20%
|
|
|
|
661 - Blowing Fuses | 24157 |
36.38%
|
7861 |
90.23%
|
|
|
|
662 - Fast Food | 6141 |
30.83%
|
1143 |
81.28%
|
|
|
|
663 - Sorting Slides | 5258 |
21.78%
|
1254 |
58.93%
|
|
|
|
664 - Single-Player Games | 702 |
24.07%
|
193 |
69.95%
|
|
|
|
665 - False coin | 7491 |
30.30%
|
2228 |
73.16%
|
|
|
|
666 - Rating | 435 |
9.20%
|
131 |
26.72%
|
|
|
|
667 - Fence | 623 |
18.46%
|
181 |
47.51%
|
|
|
|
668 - Parliament | 3811 |
29.07%
|
1218 |
67.65%
|
|
|
|
669 - Defragment | 1362 |
24.96%
|
325 |
62.46%
|
|
|
|
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 | 194076 |
27.15%
|
25996 |
80.69%
|
|
|
|
674 - Coin Change | 63739 |
48.61%
|
16313 |
91.53%
|
|
|
|
675 - Convex Hull of the Polygon | 2404 |
13.31%
|
405 |
42.47%
|
|
|
|
676 - Horse Step Maze | 1572 |
11.77%
|
292 |
51.03%
|
|
|
|
677 - All Walks of length "n" from the first node | 5432 |
37.02%
|
1655 |
83.99%
|
|
|
|
678 - Schedule of Taiwan Baseball League | 294 |
28.91%
|
127 |
48.03%
|
|
|
|
679 - Dropping Balls | 37689 |
42.23%
|
7848 |
85.74%
|
|
|
|
680 - Movement of Reading Head | 605 |
38.35%
|
228 |
79.82%
|
|
|
|
681 - Convex Hull Finding | 19237 |
26.58%
|
3147 |
75.02%
|
|
|
|
682 - Whoever-pick-the-last-one-lose | 696 |
32.47%
|
207 |
65.70%
|
|
|
|
683 - Character Decoding | 332 |
23.80%
|
125 |
45.60%
|
|
|
|
684 - Integral Determinant | 4378 |
19.78%
|
707 |
58.13%
|
|
|
|
685 - Least Path Cost | 857 |
33.14%
|
278 |
79.50%
|
|
|
|
686 - Goldbach's Conjecture (II) | 29454 |
56.12%
|
11607 |
93.93%
|
|
|
|
687 - Lattice Practices | 482 |
20.33%
|
104 |
54.81%
|
|
|
|
688 - Mobile Phone Coverage | 3305 |
35.76%
|
947 |
83.53%
|
|
|
|
689 - Napoleon's Grumble | 1333 |
13.13%
|
343 |
38.19%
|
|
|
|
690 - Pipeline Scheduling | 3064 |
33.29%
|
319 |
75.24%
|
|
|
|
691 - Triangle Partition | 1569 |
2.10%
|
137 |
14.60%
|
|
|
|
692 - BUT We Need a Diagram | 507 |
23.67%
|
160 |
57.50%
|
|
|
|
693 - Digital Racing Circuit | 477 |
8.18%
|
67 |
22.39%
|
|
|
|
694 - The Collatz Sequence | 41208 |
40.93%
|
13264 |
89.05%
|
|
|
|
695 - Placing the Ops | 1159 |
35.29%
|
214 |
69.63%
|
|
|
|
696 - How Many Knights | 17120 |
38.71%
|
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 | 21710 |
40.78%
|
4339 |
84.42%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |