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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
600 - A Duckpin Tournament | 1452 |
16.32%
|
290 |
34.14%
|
|
|
|
601 - The PATH | 5118 |
29.68%
|
1326 |
73.30%
|
|
|
|
602 - What Day Is It? | 10858 |
25.80%
|
1871 |
65.58%
|
|
|
|
603 - Parking Lot | 3616 |
24.20%
|
953 |
50.58%
|
|
|
|
604 - The Boggle Game | 4511 |
30.99%
|
982 |
63.44%
|
|
|
605 - The Rotating Disk | 691 |
8.54%
|
112 |
27.68%
|
|
|
|
606 - Keeps Going and Going and ... | 726 |
16.39%
|
244 |
45.08%
|
|
|
|
607 - Scheduling Lectures | 7542 |
27.39%
|
1670 |
65.81%
|
|
|
|
608 - Counterfeit Dollar | 9303 |
35.89%
|
3071 |
78.38%
|
|
|
|
609 - Metal Cutting | 1517 |
19.05%
|
331 |
43.81%
|
|
|
|
610 - Street Directions | 8356 |
41.56%
|
2296 |
83.28%
|
|
|
|
611 - Parallel Deadlock | 478 |
15.06%
|
174 |
33.33%
|
|
|
|
612 - DNA Sorting | 46339 |
23.93%
|
9216 |
68.07%
|
|
|
|
613 - Numbers That Count | 2932 |
22.82%
|
900 |
50.78%
|
|
|
|
614 - Mapping the Route | 2983 |
36.00%
|
1109 |
71.42%
|
|
|
|
615 - Is It A Tree? | 22294 |
21.84%
|
4262 |
67.43%
|
|
|
|
616 - Coconuts, Revisited | 12858 |
29.58%
|
2963 |
72.53%
|
|
|
|
617 - Nonstop Travel | 2667 |
46.76%
|
1214 |
85.91%
|
|
|
|
618 - Doing Windows | 1185 |
27.43%
|
426 |
66.43%
|
|
|
|
619 - Numerically Speaking | 4568 |
49.91%
|
1673 |
86.37%
|
|
|
|
620 - Cellular Structure | 4047 |
53.27%
|
1819 |
87.03%
|
|
|
|
621 - Secret Research | 34656 |
46.90%
|
14070 |
90.06%
|
|
|
|
622 - Grammar Evaluation | 3149 |
24.87%
|
1055 |
58.86%
|
|
|
|
623 - 500! | 50018 |
30.56%
|
12690 |
74.85%
|
|
|
|
624 - CD | 47736 |
46.08%
|
11364 |
89.70%
|
|
|
|
625 - Compression | 1535 |
20.13%
|
402 |
59.20%
|
|
|
|
626 - Ecosystem | 3929 |
42.00%
|
1480 |
84.59%
|
|
|
|
627 - The Net | 6447 |
43.23%
|
2242 |
86.62%
|
|
|
|
628 - Passwords | 10501 |
58.74%
|
3816 |
90.70%
|
|
|
|
629 - Test | 550 |
52.36%
|
184 |
73.91%
|
|
|
|
630 - Anagrams (II) | 8408 |
27.39%
|
2312 |
68.73%
|
|
|
|
631 - Microzoft Calendar | 607 |
17.46%
|
146 |
53.42%
|
|
|
|
632 - Compression (II) | 2874 |
25.99%
|
798 |
71.93%
|
|
|
|
633 - A Chess Knight | 2972 |
21.33%
|
635 |
81.89%
|
|
|
|
634 - Polygon | 5330 |
52.61%
|
1953 |
90.48%
|
|
|
|
635 - Clock solitaire | 480 |
55.83%
|
240 |
83.33%
|
|
|
|
636 - Squares (III) | 4611 |
54.46%
|
2247 |
92.39%
|
|
|
|
637 - Booklet Printing | 9789 |
45.08%
|
4025 |
86.61%
|
|
|
|
638 - Finding Rectangles | 2898 |
37.03%
|
914 |
71.66%
|
|
|
|
639 - Don't Get Rooked | 9141 |
59.26%
|
3990 |
91.70%
|
|
|
|
640 - Self Numbers | 15858 |
50.58%
|
6045 |
89.83%
|
|
|
|
641 - Do the Untwist | 2591 |
64.92%
|
1344 |
91.67%
|
|
|
|
642 - Word Amalgamation | 8442 |
55.12%
|
3677 |
92.22%
|
|
|
|
643 - Bulk Mailing | 636 |
19.18%
|
177 |
49.15%
|
|
|
|
644 - Immediate Decodability | 16128 |
44.19%
|
5047 |
91.48%
|
|
|
|
645 - File Mapping | 1202 |
25.87%
|
415 |
58.80%
|
|
|
|
646 - The Gourmet Club | 509 |
14.54%
|
99 |
32.32%
|
|
|
|
647 - Chutes and Ladders | 1619 |
58.99%
|
925 |
84.11%
|
|
|
|
648 - Stamps (II) | 577 |
30.68%
|
229 |
61.57%
|
|
|
|
649 - You Who? | 209 |
20.57%
|
85 |
35.29%
|
|
|
|
650 - Bowl | 814 |
10.81%
|
248 |
23.39%
|
|
|
|
651 - Deck | 1823 |
52.99%
|
916 |
85.59%
|
|
|
|
652 - Eight | 8584 |
19.07%
|
1122 |
52.94%
|
|
|
|
653 - Gizilch | 1151 |
31.10%
|
337 |
67.95%
|
|
|
|
654 - Ratio | 2370 |
29.92%
|
854 |
64.87%
|
|
|
|
655 - Scrabble | 897 |
10.59%
|
278 |
17.27%
|
|
|
|
656 - Optimal Programs | 2082 |
25.60%
|
561 |
64.35%
|
|
|
|
657 - The die is cast | 16986 |
28.56%
|
3616 |
80.14%
|
|
|
|
658 - It's not a Bug, it's a Feature! | 9402 |
32.68%
|
1352 |
82.77%
|
|
|
|
659 - Reflections | 732 |
36.20%
|
285 |
77.19%
|
|
|
|
660 - Going in circles on Alpha Centauri | 594 |
29.63%
|
208 |
66.83%
|
|
|
|
661 - Blowing Fuses | 23320 |
36.30%
|
7729 |
90.22%
|
|
|
|
662 - Fast Food | 5591 |
30.82%
|
1096 |
81.30%
|
|
|
|
663 - Sorting Slides | 4945 |
21.74%
|
1186 |
58.26%
|
|
|
|
664 - Single-Player Games | 618 |
26.70%
|
189 |
69.84%
|
|
|
|
665 - False coin | 7183 |
29.97%
|
2162 |
72.66%
|
|
|
|
666 - Rating | 421 |
8.08%
|
123 |
23.58%
|
|
|
|
667 - Fence | 613 |
18.27%
|
178 |
46.63%
|
|
|
|
668 - Parliament | 3657 |
29.26%
|
1191 |
67.51%
|
|
|
|
669 - Defragment | 1336 |
24.70%
|
320 |
62.50%
|
|
|
|
670 - The dog task | 8092 |
33.91%
|
1437 |
74.81%
|
|
|
|
671 - Spell checker | 4118 |
24.94%
|
960 |
65.94%
|
|
|
|
672 - Gangsters | 2574 |
25.49%
|
628 |
65.61%
|
|
|
|
673 - Parentheses Balance | 176687 |
26.92%
|
24913 |
80.68%
|
|
|
|
674 - Coin Change | 58081 |
48.56%
|
15917 |
91.47%
|
|
|
|
675 - Convex Hull of the Polygon | 2307 |
13.00%
|
383 |
41.51%
|
|
|
|
676 - Horse Step Maze | 1563 |
11.64%
|
289 |
50.87%
|
|
|
|
677 - All Walks of length "n" from the first node | 5169 |
37.69%
|
1634 |
84.21%
|
|
|
|
678 - Schedule of Taiwan Baseball League | 277 |
28.88%
|
119 |
47.06%
|
|
|
|
679 - Dropping Balls | 35514 |
42.31%
|
7434 |
86.05%
|
|
|
|
680 - Movement of Reading Head | 579 |
36.79%
|
216 |
79.17%
|
|
|
|
681 - Convex Hull Finding | 18782 |
26.19%
|
3076 |
74.64%
|
|
|
|
682 - Whoever-pick-the-last-one-lose | 675 |
32.59%
|
204 |
66.18%
|
|
|
|
683 - Character Decoding | 322 |
22.98%
|
119 |
43.70%
|
|
|
|
684 - Integral Determinant | 4285 |
19.58%
|
680 |
57.06%
|
|
|
|
685 - Least Path Cost | 842 |
32.66%
|
268 |
79.85%
|
|
|
|
686 - Goldbach's Conjecture (II) | 28623 |
56.11%
|
11465 |
93.94%
|
|
|
|
687 - Lattice Practices | 452 |
20.80%
|
98 |
56.12%
|
|
|
|
688 - Mobile Phone Coverage | 3278 |
35.78%
|
939 |
83.49%
|
|
|
|
689 - Napoleon's Grumble | 1320 |
12.80%
|
341 |
37.83%
|
|
|
|
690 - Pipeline Scheduling | 2912 |
33.76%
|
299 |
75.25%
|
|
|
|
691 - Triangle Partition | 1552 |
2.13%
|
131 |
15.27%
|
|
|
|
692 - BUT We Need a Diagram | 480 |
22.92%
|
149 |
56.38%
|
|
|
|
693 - Digital Racing Circuit | 423 |
8.04%
|
59 |
18.64%
|
|
|
|
694 - The Collatz Sequence | 40889 |
40.92%
|
13187 |
89.06%
|
|
|
|
695 - Placing the Ops | 1151 |
35.01%
|
207 |
69.57%
|
|
|
|
696 - How Many Knights | 15620 |
38.80%
|
4934 |
88.97%
|
|
|
|
697 - Jack and Jill | 3603 |
13.57%
|
680 |
39.56%
|
|
|
|
698 - Index | 2391 |
11.59%
|
483 |
31.47%
|
|
|
|
699 - The Falling Leaves | 20682 |
40.83%
|
4223 |
84.32%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |