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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
11100 - The Trip, 2007 | 12277 |
33.96%
|
2588 |
84.51%
|
|
|
11101 - Mall Mania | 5556 |
34.04%
|
1403 |
86.46%
|
|
|
|
11102 - Moonshine | 629 |
21.30%
|
115 |
53.04%
|
|
|
|
11103 - WFF 'N PROOF | 1481 |
49.70%
|
598 |
91.97%
|
|
|
|
11104 - Cousins | 456 |
39.69%
|
175 |
76.00%
|
|
|
|
11105 - Semi-prime H-numbers | 3582 |
56.37%
|
1321 |
89.55%
|
|
|
|
11106 - Rectilinear Polygon | 763 |
35.78%
|
264 |
76.89%
|
|
|
|
11107 - Life Forms | 11082 |
27.71%
|
1302 |
76.73%
|
|
|
|
11108 - Tautology | 1671 |
51.29%
|
706 |
93.48%
|
|
|
|
11109 - Rinse | 270 |
39.63%
|
103 |
73.79%
|
|
|
|
11110 - Equidivisions | 8376 |
31.86%
|
2248 |
83.81%
|
|
|
|
11111 - Generalized Matrioshkas | 11836 |
33.08%
|
2477 |
88.21%
|
|
|
|
11112 - Babylonian Roulette | 547 |
54.11%
|
268 |
93.28%
|
|
|
|
11113 - Continuous Fractions | 1196 |
16.81%
|
241 |
56.43%
|
|
|
|
11114 - Polygon Encoder | 653 |
16.39%
|
127 |
54.33%
|
|
|
|
11115 - Uncle Jack | 4139 |
48.35%
|
1615 |
89.35%
|
|
|
|
11116 - Babel Towers | 546 |
30.59%
|
167 |
74.25%
|
|
|
|
11117 - Little Quilt | 459 |
35.08%
|
160 |
85.62%
|
|
|
|
11118 - Prisoners, Boxes and Pieces of Paper | 372 |
37.63%
|
164 |
67.68%
|
|
|
|
11119 - Chemical Attraction | 384 |
33.07%
|
107 |
69.16%
|
|
|
|
11120 - Very Funny Mr. Feynman | 293 |
44.03%
|
111 |
72.97%
|
|
|
|
11121 - Base -2 | 6164 |
58.14%
|
2477 |
94.35%
|
|
|
|
11122 - Tri Tri | 1993 |
19.02%
|
471 |
59.02%
|
|
|
|
11123 - Counting Trapizoid | 730 |
25.21%
|
172 |
65.70%
|
|
|
|
11124 - Troubles for Modern Days Problemsetters | 511 |
34.05%
|
134 |
73.88%
|
|
|
|
11125 - Arrange Some Marbles | 1517 |
38.69%
|
422 |
86.02%
|
|
|
|
11126 - Relaxed Golf | 483 |
38.10%
|
109 |
78.90%
|
|
|
|
11127 - Triple-Free Binary Strings | 1278 |
55.48%
|
491 |
78.82%
|
|
|
|
11128 - Faulty Computer | 511 |
36.40%
|
103 |
76.70%
|
|
|
|
11129 - An antiarithmetic permutation | 4068 |
48.13%
|
699 |
87.41%
|
|
|
|
11130 - Billiard bounces | 2216 |
69.36%
|
1230 |
94.80%
|
|
|
|
11131 - Close Relatives | 494 |
52.63%
|
228 |
89.47%
|
|
|
|
11132 - Dice from pennies | 714 |
43.70%
|
336 |
80.06%
|
|
|
|
11133 - Eigensequence | 861 |
72.59%
|
506 |
96.44%
|
|
|
|
11134 - Fabled Rooks | 9443 |
40.45%
|
1338 |
87.00%
|
|
|
|
11135 - Gopher that walks and swims | 115 |
44.35%
|
47 |
68.09%
|
|
|
|
11136 - Hoax or what | 19188 |
38.46%
|
4460 |
89.62%
|
|
|
|
11137 - Ingenuous Cubrency | 12882 |
69.23%
|
5521 |
97.41%
|
|
|
|
11138 - Nuts and Bolts | 3907 |
56.95%
|
1469 |
92.31%
|
|
|
|
11139 - Counting Quadrilaterals | 149 |
50.34%
|
71 |
74.65%
|
|
|
|
11140 - Little Ali's Little Brother! | 1288 |
32.07%
|
396 |
84.34%
|
|
|
|
11141 - Sugar Cubes | 220 |
22.73%
|
69 |
59.42%
|
|
|
|
11142 - MineSweeper II | 422 |
10.43%
|
103 |
34.95%
|
|
|
|
11143 - Subtitles | 74 |
17.57%
|
28 |
42.86%
|
|
|
|
11144 - S.O.S. | 584 |
18.49%
|
109 |
62.39%
|
|
|
|
11145 - AvreniM | 135 |
17.04%
|
42 |
40.48%
|
|
|
|
11146 - Insurrection | 405 |
25.19%
|
87 |
72.41%
|
|
|
|
11147 - KuPellaKeS BST | 961 |
43.50%
|
323 |
88.54%
|
|
|
|
11148 - Moliu Fractions | 1115 |
37.04%
|
409 |
84.35%
|
|
|
|
11149 - Power of Matrix | 7752 |
25.30%
|
943 |
79.00%
|
|
|
|
11150 - Cola | 45135 |
47.39%
|
14994 |
93.18%
|
|
|
|
11151 - Longest Palindrome | 24494 |
30.62%
|
4764 |
83.21%
|
|
|
|
11152 - Colourful Flowers | 20323 |
37.99%
|
5250 |
91.26%
|
|
|
|
11153 - Museums | 875 |
26.74%
|
210 |
70.48%
|
|
|
|
11154 - An Octal World | 224 |
10.27%
|
38 |
44.74%
|
|
|
|
11155 - Be Efficient | 1616 |
45.61%
|
545 |
83.67%
|
|
|
|
11156 - Continuous Drawing | 510 |
26.08%
|
125 |
69.60%
|
|
|
|
11157 - Dynamic Frog | 6595 |
51.81%
|
2235 |
90.78%
|
|
|
|
11158 - Elegant Permuted Sum | 1141 |
39.88%
|
463 |
81.21%
|
|
|
|
11159 - Factors and Multiples | 6576 |
29.32%
|
1443 |
86.83%
|
|
|
|
11160 - Going Together | 881 |
44.49%
|
253 |
81.82%
|
|
|
|
11161 - Help My Brother (II) | 1618 |
54.76%
|
771 |
91.44%
|
|
|
|
11162 - Independent Attacking Zones | 545 |
56.88%
|
197 |
89.85%
|
|
|
|
11163 - Jaguar King | 1156 |
33.65%
|
198 |
75.25%
|
|
|
|
11164 - Kingdom Division | 892 |
37.44%
|
313 |
84.35%
|
|
|
|
11165 - Galactic Travel | 564 |
34.93%
|
163 |
76.07%
|
|
|
|
11166 - Power Signs | 639 |
34.43%
|
218 |
75.69%
|
|
|
|
11167 - Monkeys in the Emei Mountain | 4592 |
22.54%
|
760 |
71.58%
|
|
|
|
11168 - Airport | 3979 |
36.11%
|
533 |
84.43%
|
|
|
|
11169 - Deal or No Deal | 169 |
61.54%
|
67 |
83.58%
|
|
|
|
11170 - Cos(NA) | 670 |
50.45%
|
307 |
90.55%
|
|
|
|
11171 - SMS | 1103 |
17.50%
|
235 |
48.09%
|
|
|
|
11172 - Relational Operator | 172001 |
56.68%
|
58165 |
95.76%
|
|
|
|
11173 - Grey Codes | 6013 |
72.74%
|
2756 |
95.03%
|
|
|
|
11174 - Stand in a Line | 2319 |
45.58%
|
490 |
87.14%
|
|
|
|
11175 - From D to E and Back | 1814 |
52.92%
|
446 |
86.77%
|
|
|
|
11176 - Winning Streak | 1757 |
53.44%
|
631 |
88.11%
|
|
|
|
11177 - Fighting Against a Polygonal Monster | 1342 |
29.36%
|
198 |
69.70%
|
|
|
|
11178 - Morley's Theorem | 3226 |
72.07%
|
795 |
96.10%
|
|
|
|
11179 - Bit Stream | 694 |
30.12%
|
108 |
55.56%
|
|
|
|
11180 - Base i-1 | 595 |
70.92%
|
292 |
94.52%
|
|
|
|
11181 - Probability|Given | 6602 |
57.38%
|
1633 |
95.90%
|
|
|
|
11182 - Zeroes III | 777 |
26.51%
|
203 |
75.37%
|
|
|
|
11183 - Teen Girl Squad | 5368 |
35.92%
|
714 |
69.89%
|
|
|
|
11184 - Joyful Ride | 395 |
67.59%
|
212 |
89.15%
|
|
|
|
11185 - Ternary | 32066 |
41.13%
|
10235 |
94.63%
|
|
|
|
11186 - Circum Triangle | 1803 |
44.65%
|
384 |
84.11%
|
|
|
|
11187 - Water Crisis | 596 |
24.83%
|
125 |
60.00%
|
|
|
|
11188 - A Strange Opera House | 26 |
42.31%
|
20 |
55.00%
|
|
|
|
11189 - A Simple Pendulum | 363 |
25.07%
|
92 |
67.39%
|
|
|
|
11190 - Series of Powers | 532 |
32.52%
|
134 |
79.85%
|
|
|
|
11191 - Square | 1212 |
30.03%
|
261 |
80.08%
|
|
|
|
11192 - Group Reverse | 22084 |
55.87%
|
8986 |
95.72%
|
|
|
|
11193 - Infinix | 216 |
27.31%
|
62 |
72.58%
|
|
|
|
11194 - Stone Grid | 350 |
37.43%
|
62 |
67.74%
|
|
|
|
11195 - Another n-Queen Problem | 10181 |
39.04%
|
2397 |
71.67%
|
|
|
|
11196 - Birthday Cake | 785 |
27.90%
|
201 |
66.67%
|
|
|
|
11197 - Counting RNA sequences | 177 |
35.59%
|
52 |
61.54%
|
|
|
|
11198 - Dancing Digits | 1611 |
49.53%
|
555 |
89.19%
|
|
|
|
11199 - Equations in Disguise | 408 |
16.91%
|
60 |
48.33%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |