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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
800 - Crystal Clear | 345 |
13.33%
|
113 |
30.97%
|
|
|
|
801 - Flight Planning | 533 |
20.64%
|
136 |
58.82%
|
|
|
|
802 - Lead or Gold | 1514 |
14.53%
|
269 |
46.10%
|
|
|
803 - Page Selection by Keyword Matching | 554 |
31.41%
|
103 |
42.72%
|
|
|
|
804 - Petri Net Simulation | 3587 |
33.45%
|
524 |
81.68%
|
|
|
|
805 - Polygon Intersections | 231 |
13.85%
|
89 |
26.97%
|
|
|
|
806 - Spatial Structures | 4872 |
27.42%
|
669 |
80.12%
|
|
|
|
807 - Towers of Powers | 413 |
17.43%
|
108 |
57.41%
|
|
|
|
808 - Bee Breeding | 4891 |
41.83%
|
1298 |
86.13%
|
|
|
|
809 - Bullet Hole | 1080 |
5.19%
|
178 |
25.84%
|
|
|
|
810 - A Dicey Problem | 3571 |
38.36%
|
620 |
85.32%
|
|
|
|
811 - The Fortified Forest | 3088 |
35.17%
|
791 |
80.03%
|
|
|
|
812 - Trade on Verweggistan | 8083 |
23.42%
|
1130 |
78.94%
|
|
|
|
813 - Robot | 529 |
10.96%
|
122 |
32.79%
|
|
|
|
814 - The Letter Carrier's Rounds | 5395 |
31.70%
|
844 |
78.55%
|
|
|
|
815 - Flooded! | 15813 |
32.22%
|
2219 |
86.80%
|
|
|
|
816 - Abbott's Revenge | 16241 |
31.74%
|
1877 |
83.80%
|
|
|
|
817 - According to Bartjens | 2695 |
31.09%
|
483 |
71.43%
|
|
|
|
818 - Cutting Chains | 3143 |
48.71%
|
618 |
86.08%
|
|
|
|
819 - Gifts Large and Small | 1070 |
15.89%
|
177 |
53.11%
|
|
|
|
820 - Internet Bandwidth | 39087 |
35.84%
|
7219 |
89.68%
|
|
|
|
821 - Page Hopping | 18247 |
56.77%
|
6674 |
94.17%
|
|
|
|
822 - Queue and A | 2254 |
40.37%
|
419 |
79.71%
|
|
|
|
823 - Stopper Stumper | 608 |
21.71%
|
153 |
57.52%
|
|
|
|
824 - Coast Tracker | 2256 |
49.73%
|
932 |
88.09%
|
|
|
|
825 - Walking on the Safe Side | 18666 |
28.90%
|
3447 |
84.07%
|
|
|
|
826 - Symbolic Numerical System | 866 |
9.82%
|
125 |
56.00%
|
|
|
|
827 - Buddy Memory Allocator | 509 |
15.72%
|
108 |
53.70%
|
|
|
|
828 - Deciphering Messages | 956 |
28.97%
|
283 |
71.38%
|
|
|
|
829 - Almost Balanced Trees | 648 |
13.58%
|
84 |
35.71%
|
|
|
|
830 - Shark | 1272 |
29.80%
|
354 |
73.45%
|
|
|
|
831 - Document Validator | 552 |
27.17%
|
129 |
55.81%
|
|
|
|
832 - Financial Risk | 718 |
19.78%
|
174 |
66.09%
|
|
|
|
833 - Water Falls | 4011 |
39.94%
|
1486 |
81.49%
|
|
|
|
834 - Continued Fractions | 13377 |
62.91%
|
6614 |
95.30%
|
|
|
|
835 - Square of Primes | 1581 |
22.77%
|
321 |
55.14%
|
|
|
|
836 - Largest Submatrix | 14989 |
34.97%
|
4655 |
83.80%
|
|
|
|
837 - Light and Transparencies | 5448 |
37.74%
|
1688 |
85.72%
|
|
|
|
838 - Worm World | 2698 |
15.16%
|
492 |
39.84%
|
|
|
|
839 - Not so Mobile | 27274 |
36.68%
|
4627 |
87.75%
|
|
|
|
840 - Deadlock Detection | 853 |
23.92%
|
252 |
65.08%
|
|
|
|
841 - Snake | 1233 |
10.95%
|
130 |
48.46%
|
|
|
|
842 - Crossword Puzzles | 363 |
27.55%
|
97 |
57.73%
|
|
|
|
843 - Crypt Kicker | 23670 |
24.05%
|
4758 |
68.33%
|
|
|
|
844 - Pousse | 615 |
38.37%
|
233 |
70.82%
|
|
|
|
845 - Gas Station Numbers | 1931 |
25.95%
|
502 |
68.92%
|
|
|
|
846 - Steps | 20611 |
48.71%
|
7861 |
89.82%
|
|
|
|
847 - A Multiplication Game | 18534 |
52.22%
|
8238 |
88.77%
|
|
|
|
848 - Fmt | 5645 |
20.81%
|
1194 |
63.40%
|
|
|
|
849 - Radar Tracking | 938 |
9.38%
|
119 |
28.57%
|
|
|
|
850 - Crypt Kicker II | 21605 |
23.45%
|
4768 |
72.73%
|
|
|
|
851 - Maze | 2377 |
23.10%
|
288 |
54.51%
|
|
|
|
852 - Deciding victory in Go | 3585 |
56.82%
|
1507 |
93.23%
|
|
|
|
853 - DVD Subtitles | 575 |
20.35%
|
116 |
65.52%
|
|
|
|
854 - Worse Code | 361 |
16.62%
|
62 |
54.84%
|
|
|
|
855 - Lunch in Grid City | 10104 |
35.37%
|
2743 |
86.26%
|
|
|
|
856 - The Vigenère Cipher | 965 |
41.87%
|
370 |
77.30%
|
|
|
|
857 - Quantiser | 1026 |
41.62%
|
347 |
85.59%
|
|
|
|
858 - Berry Picking | 1468 |
42.10%
|
483 |
87.37%
|
|
|
|
859 - Chinese Checkers | 1151 |
28.15%
|
298 |
80.54%
|
|
|
|
860 - Entropy Text Analyzer | 4538 |
26.71%
|
881 |
78.32%
|
|
|
|
861 - Little Bishops | 16314 |
35.25%
|
4241 |
79.30%
|
|
|
|
862 - Origami | 266 |
16.92%
|
52 |
63.46%
|
|
|
|
863 - Process Scheduling | 497 |
2.41%
|
51 |
7.84%
|
|
|
|
864 - Scheme Pretty-Printing | 133 |
34.59%
|
80 |
52.50%
|
|
|
|
865 - Substitution Cypher | 6110 |
29.10%
|
1556 |
80.40%
|
|
|
|
866 - Intersecting Line Segments | 3476 |
44.71%
|
1071 |
86.27%
|
|
|
|
867 - Storing Images in a Sequence | 83 |
1.20%
|
38 |
2.63%
|
|
|
|
868 - Numerical Maze | 2408 |
28.53%
|
641 |
78.00%
|
|
|
|
869 - Airline Comparison | 3679 |
43.57%
|
1245 |
84.26%
|
|
|
|
870 - Intersecting Rectangles | 663 |
29.86%
|
204 |
79.90%
|
|
|
|
871 - Counting Cells in a Blob | 17400 |
31.51%
|
3252 |
89.76%
|
|
|
|
872 - Ordering | 8861 |
42.05%
|
2804 |
92.33%
|
|
|
|
873 - Loan (II) | 373 |
28.95%
|
108 |
75.93%
|
|
|
|
874 - 2D Representations | 564 |
28.37%
|
159 |
59.75%
|
|
|
|
875 - Monopoly | 66 |
1.52%
|
44 |
2.27%
|
|
|
|
876 - Balanced Expressions | 111 |
3.60%
|
54 |
5.56%
|
|
|
|
877 - Offset Polygons | 352 |
26.42%
|
102 |
76.47%
|
|
|
|
878 - Rotating Tetris Pieces | 523 |
26.58%
|
89 |
67.42%
|
|
|
|
879 - Circuit Nets | 1834 |
23.28%
|
322 |
71.74%
|
|
|
|
880 - Cantor Fractions | 9110 |
31.45%
|
2242 |
81.13%
|
|
|
|
881 - Points, Polygons and Containers | 620 |
26.13%
|
153 |
75.16%
|
|
|
|
882 - The Mailbox Manufacturers Problem | 1579 |
74.98%
|
741 |
94.60%
|
|
|
|
883 - Overlapping Rectangles | 347 |
33.14%
|
115 |
77.39%
|
|
|
|
884 - Factorial Factors | 15073 |
44.89%
|
3596 |
85.04%
|
|
|
|
885 - Telephone Directory Alphabetization | 472 |
7.63%
|
59 |
40.68%
|
|
|
|
886 - Named Extension Dialing | 823 |
30.50%
|
227 |
81.94%
|
|
|
|
887 - Revolutionary Calendar | 441 |
16.10%
|
51 |
60.78%
|
|
|
|
888 - Donkey | 447 |
14.99%
|
76 |
34.21%
|
|
|
|
889 - Islands | 197 |
35.03%
|
58 |
58.62%
|
|
|
|
890 - Maze (II) | 434 |
27.19%
|
125 |
68.80%
|
|
|
|
891 - Syntrax | 218 |
25.69%
|
56 |
75.00%
|
|
|
|
892 - Finding words | 2463 |
35.93%
|
897 |
75.14%
|
|
|
|
893 - Y3K Problem | 5180 |
50.17%
|
2292 |
90.84%
|
|
|
|
894 - Juggling Trams | 101 |
24.75%
|
31 |
51.61%
|
|
|
|
895 - Word Problem | 4518 |
59.16%
|
2209 |
93.48%
|
|
|
|
896 - Board Game | 155 |
8.39%
|
39 |
20.51%
|
|
|
|
897 - Anagrammatic Primes | 5304 |
46.46%
|
1710 |
91.17%
|
|
|
|
898 - Hole Cutter | 384 |
29.69%
|
96 |
68.75%
|
|
|
|
899 - Colour Circles | 429 |
44.52%
|
152 |
84.87%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |