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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
600 - A Duckpin Tournament | 1472 |
16.64%
|
303 |
34.32%
|
|
|
|
601 - The PATH | 5216 |
29.58%
|
1340 |
73.43%
|
|
|
|
602 - What Day Is It? | 10923 |
25.84%
|
1890 |
65.40%
|
|
|
|
603 - Parking Lot | 3657 |
24.31%
|
964 |
50.62%
|
|
|
|
604 - The Boggle Game | 4589 |
31.05%
|
1004 |
63.84%
|
|
|
605 - The Rotating Disk | 703 |
8.96%
|
122 |
28.69%
|
|
|
|
606 - Keeps Going and Going and ... | 754 |
16.84%
|
259 |
45.56%
|
|
|
|
607 - Scheduling Lectures | 8034 |
27.94%
|
1698 |
66.08%
|
|
|
|
608 - Counterfeit Dollar | 9719 |
35.64%
|
3121 |
78.40%
|
|
|
|
609 - Metal Cutting | 1542 |
19.39%
|
338 |
44.38%
|
|
|
|
610 - Street Directions | 9527 |
41.07%
|
2427 |
83.07%
|
|
|
|
611 - Parallel Deadlock | 487 |
15.40%
|
179 |
33.52%
|
|
|
|
612 - DNA Sorting | 48198 |
24.20%
|
9403 |
68.38%
|
|
|
|
613 - Numbers That Count | 2958 |
23.02%
|
906 |
51.10%
|
|
|
|
614 - Mapping the Route | 3130 |
35.81%
|
1133 |
71.67%
|
|
|
|
615 - Is It A Tree? | 25000 |
22.77%
|
4372 |
67.61%
|
|
|
|
616 - Coconuts, Revisited | 13583 |
29.29%
|
3011 |
72.77%
|
|
|
|
617 - Nonstop Travel | 2706 |
46.71%
|
1232 |
85.63%
|
|
|
|
618 - Doing Windows | 1203 |
27.76%
|
432 |
66.67%
|
|
|
|
619 - Numerically Speaking | 4589 |
49.95%
|
1681 |
86.38%
|
|
|
|
620 - Cellular Structure | 4112 |
53.02%
|
1836 |
86.82%
|
|
|
|
621 - Secret Research | 35775 |
47.13%
|
14343 |
90.12%
|
|
|
|
622 - Grammar Evaluation | 3181 |
25.15%
|
1066 |
59.10%
|
|
|
|
623 - 500! | 50386 |
30.69%
|
12750 |
74.93%
|
|
|
|
624 - CD | 51374 |
46.70%
|
11562 |
89.73%
|
|
|
|
625 - Compression | 1548 |
20.03%
|
405 |
59.01%
|
|
|
|
626 - Ecosystem | 3983 |
41.98%
|
1498 |
84.51%
|
|
|
|
627 - The Net | 7021 |
42.42%
|
2299 |
86.30%
|
|
|
|
628 - Passwords | 11972 |
58.92%
|
3973 |
90.64%
|
|
|
|
629 - Test | 559 |
52.77%
|
190 |
74.21%
|
|
|
|
630 - Anagrams (II) | 8580 |
27.54%
|
2340 |
68.93%
|
|
|
|
631 - Microzoft Calendar | 687 |
18.92%
|
171 |
57.31%
|
|
|
|
632 - Compression (II) | 2922 |
26.04%
|
808 |
71.91%
|
|
|
|
633 - A Chess Knight | 3049 |
22.14%
|
660 |
82.42%
|
|
|
|
634 - Polygon | 5739 |
53.16%
|
1989 |
90.60%
|
|
|
|
635 - Clock solitaire | 484 |
55.99%
|
243 |
83.54%
|
|
|
|
636 - Squares (III) | 4652 |
54.32%
|
2261 |
92.30%
|
|
|
|
637 - Booklet Printing | 10075 |
44.95%
|
4091 |
86.65%
|
|
|
|
638 - Finding Rectangles | 2920 |
37.02%
|
921 |
71.77%
|
|
|
|
639 - Don't Get Rooked | 9484 |
59.58%
|
4053 |
91.73%
|
|
|
|
640 - Self Numbers | 16522 |
50.11%
|
6086 |
89.85%
|
|
|
|
641 - Do the Untwist | 2621 |
65.13%
|
1364 |
91.57%
|
|
|
|
642 - Word Amalgamation | 8660 |
55.37%
|
3710 |
92.24%
|
|
|
|
643 - Bulk Mailing | 680 |
18.68%
|
184 |
50.00%
|
|
|
|
644 - Immediate Decodability | 16617 |
44.03%
|
5171 |
91.36%
|
|
|
|
645 - File Mapping | 1218 |
26.27%
|
421 |
58.91%
|
|
|
|
646 - The Gourmet Club | 526 |
15.02%
|
103 |
33.98%
|
|
|
|
647 - Chutes and Ladders | 1654 |
58.83%
|
949 |
83.56%
|
|
|
|
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 | 9445 |
18.85%
|
1172 |
52.82%
|
|
|
|
653 - Gizilch | 1158 |
31.26%
|
342 |
67.84%
|
|
|
|
654 - Ratio | 2396 |
29.92%
|
862 |
64.97%
|
|
|
|
655 - Scrabble | 904 |
10.73%
|
282 |
17.73%
|
|
|
|
656 - Optimal Programs | 2104 |
25.52%
|
566 |
64.31%
|
|
|
|
657 - The die is cast | 17853 |
28.49%
|
3690 |
80.33%
|
|
|
|
658 - It's not a Bug, it's a Feature! | 10091 |
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 | 24153 |
36.37%
|
7857 |
90.23%
|
|
|
|
662 - Fast Food | 6115 |
30.84%
|
1141 |
81.33%
|
|
|
|
663 - Sorting Slides | 5258 |
21.78%
|
1254 |
58.93%
|
|
|
|
664 - Single-Player Games | 702 |
24.07%
|
193 |
69.95%
|
|
|
|
665 - False coin | 7473 |
30.24%
|
2224 |
73.11%
|
|
|
|
666 - Rating | 427 |
8.67%
|
128 |
25.00%
|
|
|
|
667 - Fence | 620 |
18.23%
|
180 |
46.67%
|
|
|
|
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 | 4173 |
24.99%
|
971 |
66.12%
|
|
|
|
672 - Gangsters | 2603 |
25.85%
|
641 |
66.15%
|
|
|
|
673 - Parentheses Balance | 193975 |
27.15%
|
25986 |
80.68%
|
|
|
|
674 - Coin Change | 63712 |
48.60%
|
16312 |
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 | 289 |
28.37%
|
125 |
46.40%
|
|
|
|
679 - Dropping Balls | 37680 |
42.23%
|
7847 |
85.74%
|
|
|
|
680 - Movement of Reading Head | 603 |
38.14%
|
227 |
79.74%
|
|
|
|
681 - Convex Hull Finding | 19234 |
26.58%
|
3147 |
75.02%
|
|
|
|
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 | 4378 |
19.78%
|
707 |
58.13%
|
|
|
|
685 - Least Path Cost | 857 |
33.14%
|
278 |
79.50%
|
|
|
|
686 - Goldbach's Conjecture (II) | 29446 |
56.13%
|
11607 |
93.93%
|
|
|
|
687 - Lattice Practices | 455 |
20.66%
|
101 |
54.46%
|
|
|
|
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 | 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 | 41206 |
40.93%
|
13263 |
89.05%
|
|
|
|
695 - Placing the Ops | 1158 |
35.23%
|
213 |
69.48%
|
|
|
|
696 - How Many Knights | 17109 |
38.70%
|
5082 |
88.94%
|
|
|
|
697 - Jack and Jill | 3926 |
14.14%
|
695 |
40.29%
|
|
|
|
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 | |