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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 600 - A Duckpin Tournament 1452
16.32%
290
34.14%
FILE 601 - The PATH 5118
29.68%
1326
73.30%
FILE 602 - What Day Is It? 10858
25.80%
1871
65.58%
FILE 603 - Parking Lot 3616
24.20%
953
50.58%
FILE 604 - The Boggle Game 4509
30.98%
981
63.40%
FILE 605 - The Rotating Disk 690
8.55%
111
27.93%
FILE 606 - Keeps Going and Going and ... 726
16.39%
244
45.08%
FILE 607 - Scheduling Lectures 7539
27.36%
1670
65.81%
FILE 608 - Counterfeit Dollar 9280
35.91%
3068
78.36%
FILE 609 - Metal Cutting 1517
19.05%
331
43.81%
FILE 610 - Street Directions 8338
41.56%
2294
83.26%
FILE 611 - Parallel Deadlock 478
15.06%
174
33.33%
FILE 612 - DNA Sorting 46301
23.92%
9211
68.05%
FILE 613 - Numbers That Count 2931
22.79%
899
50.72%
FILE 614 - Mapping the Route 2983
36.00%
1109
71.42%
FILE 615 - Is It A Tree? 22270
21.85%
4262
67.43%
FILE 616 - Coconuts, Revisited 12823
29.61%
2962
72.52%
FILE 617 - Nonstop Travel 2667
46.76%
1214
85.91%
FILE 618 - Doing Windows 1185
27.43%
426
66.43%
FILE 619 - Numerically Speaking 4566
49.91%
1672
86.36%
FILE 620 - Cellular Structure 4047
53.27%
1819
87.03%
FILE 621 - Secret Research 34642
46.89%
14063
90.05%
FILE 622 - Grammar Evaluation 3149
24.87%
1055
58.86%
FILE 623 - 500! 50011
30.56%
12690
74.84%
FILE 624 - CD 47688
46.06%
11356
89.69%
FILE 625 - Compression 1535
20.13%
402
59.20%
FILE 626 - Ecosystem 3929
42.00%
1480
84.59%
FILE 627 - The Net 6437
43.19%
2242
86.62%
FILE 628 - Passwords 10428
58.82%
3810
90.68%
FILE 629 - Test 550
52.36%
184
73.91%
FILE 630 - Anagrams (II) 8404
27.39%
2311
68.71%
FILE 631 - Microzoft Calendar 607
17.46%
146
53.42%
FILE 632 - Compression (II) 2872
25.97%
798
71.93%
FILE 633 - A Chess Knight 2969
21.35%
634
82.02%
FILE 634 - Polygon 5317
52.62%
1949
90.46%
FILE 635 - Clock solitaire 480
55.83%
240
83.33%
FILE 636 - Squares (III) 4611
54.46%
2247
92.39%
FILE 637 - Booklet Printing 9787
45.08%
4024
86.61%
FILE 638 - Finding Rectangles 2898
37.03%
914
71.66%
FILE 639 - Don't Get Rooked 9122
59.27%
3987
91.70%
FILE 640 - Self Numbers 15853
50.58%
6044
89.84%
FILE 641 - Do the Untwist 2585
64.87%
1341
91.57%
FILE 642 - Word Amalgamation 8435
55.09%
3675
92.22%
FILE 643 - Bulk Mailing 636
19.18%
177
49.15%
FILE 644 - Immediate Decodability 16120
44.18%
5043
91.49%
FILE 645 - File Mapping 1202
25.87%
415
58.80%
FILE 646 - The Gourmet Club 505
14.26%
98
30.61%
FILE 647 - Chutes and Ladders 1619
58.99%
925
84.11%
FILE 648 - Stamps (II) 577
30.68%
229
61.57%
FILE 649 - You Who? 206
19.90%
84
33.33%
FILE 650 - Bowl 814
10.81%
248
23.39%
FILE 651 - Deck 1823
52.99%
916
85.59%
FILE 652 - Eight 8550
19.05%
1122
52.94%
FILE 653 - Gizilch 1151
31.10%
337
67.95%
FILE 654 - Ratio 2370
29.92%
854
64.87%
FILE 655 - Scrabble 897
10.59%
278
17.27%
FILE 656 - Optimal Programs 2082
25.60%
561
64.35%
FILE 657 - The die is cast 16981
28.56%
3614
80.13%
FILE 658 - It's not a Bug, it's a Feature! 9395
32.68%
1350
82.74%
FILE 659 - Reflections 732
36.20%
285
77.19%
FILE 660 - Going in circles on Alpha Centauri 594
29.63%
208
66.83%
FILE 661 - Blowing Fuses 23308
36.31%
7727
90.22%
FILE 662 - Fast Food 5555
30.82%
1094
81.26%
FILE 663 - Sorting Slides 4932
21.72%
1182
58.12%
FILE 664 - Single-Player Games 618
26.70%
189
69.84%
FILE 665 - False coin 7174
29.98%
2161
72.65%
FILE 666 - Rating 421
8.08%
123
23.58%
FILE 667 - Fence 613
18.27%
178
46.63%
FILE 668 - Parliament 3657
29.26%
1191
67.51%
FILE 669 - Defragment 1332
24.62%
319
62.38%
FILE 670 - The dog task 8092
33.91%
1437
74.81%
FILE 671 - Spell checker 4118
24.94%
960
65.94%
FILE 672 - Gangsters 2574
25.49%
628
65.61%
FILE 673 - Parentheses Balance 176183
26.94%
24863
80.73%
FILE 674 - Coin Change 57930
48.55%
15903
91.48%
FILE 675 - Convex Hull of the Polygon 2307
13.00%
383
41.51%
FILE 676 - Horse Step Maze 1563
11.64%
289
50.87%
FILE 677 - All Walks of length "n" from the first node 5164
37.68%
1631
84.24%
FILE 678 - Schedule of Taiwan Baseball League 277
28.88%
119
47.06%
FILE 679 - Dropping Balls 35445
42.32%
7420
86.05%
FILE 680 - Movement of Reading Head 579
36.79%
216
79.17%
FILE 681 - Convex Hull Finding 18782
26.19%
3076
74.64%
FILE 682 - Whoever-pick-the-last-one-lose 675
32.59%
204
66.18%
FILE 683 - Character Decoding 322
22.98%
119
43.70%
FILE 684 - Integral Determinant 4284
19.58%
679
57.14%
FILE 685 - Least Path Cost 842
32.66%
268
79.85%
FILE 686 - Goldbach's Conjecture (II) 28564
56.12%
11463
93.94%
FILE 687 - Lattice Practices 452
20.80%
98
56.12%
FILE 688 - Mobile Phone Coverage 3278
35.78%
939
83.49%
FILE 689 - Napoleon's Grumble 1320
12.80%
341
37.83%
FILE 690 - Pipeline Scheduling 2912
33.76%
299
75.25%
FILE 691 - Triangle Partition 1552
2.13%
131
15.27%
FILE 692 - BUT We Need a Diagram 480
22.92%
149
56.38%
FILE 693 - Digital Racing Circuit 423
8.04%
59
18.64%
FILE 694 - The Collatz Sequence 40883
40.92%
13185
89.06%
FILE 695 - Placing the Ops 1151
35.01%
207
69.57%
FILE 696 - How Many Knights 15615
38.80%
4931
88.99%
FILE 697 - Jack and Jill 3572
13.55%
680
39.56%
FILE 698 - Index 2391
11.59%
483
31.47%
FILE 699 - The Falling Leaves 20669
40.82%
4222
84.32%
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