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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
11100 - The Trip, 2007 | 12132 |
33.98%
|
2576 |
84.47%
|
|
|
11101 - Mall Mania | 5425 |
34.06%
|
1397 |
86.47%
|
|
|
|
11102 - Moonshine | 623 |
20.87%
|
113 |
50.44%
|
|
|
|
11103 - WFF 'N PROOF | 1477 |
49.56%
|
595 |
91.93%
|
|
|
|
11104 - Cousins | 442 |
39.59%
|
171 |
75.44%
|
|
|
|
11105 - Semi-prime H-numbers | 3556 |
56.27%
|
1310 |
89.54%
|
|
|
|
11106 - Rectilinear Polygon | 760 |
35.53%
|
262 |
76.72%
|
|
|
|
11107 - Life Forms | 11016 |
27.72%
|
1294 |
76.82%
|
|
|
|
11108 - Tautology | 1661 |
51.23%
|
700 |
93.43%
|
|
|
|
11109 - Rinse | 262 |
39.31%
|
97 |
75.26%
|
|
|
|
11110 - Equidivisions | 8306 |
31.86%
|
2239 |
83.79%
|
|
|
|
11111 - Generalized Matrioshkas | 11713 |
32.90%
|
2460 |
88.21%
|
|
|
|
11112 - Babylonian Roulette | 526 |
54.37%
|
264 |
93.18%
|
|
|
|
11113 - Continuous Fractions | 1166 |
16.04%
|
233 |
53.65%
|
|
|
|
11114 - Polygon Encoder | 645 |
15.97%
|
125 |
52.00%
|
|
|
|
11115 - Uncle Jack | 4117 |
48.26%
|
1610 |
89.32%
|
|
|
|
11116 - Babel Towers | 530 |
29.81%
|
164 |
71.95%
|
|
|
|
11117 - Little Quilt | 453 |
34.88%
|
158 |
86.08%
|
|
|
|
11118 - Prisoners, Boxes and Pieces of Paper | 369 |
37.13%
|
162 |
67.28%
|
|
|
|
11119 - Chemical Attraction | 380 |
32.37%
|
106 |
67.92%
|
|
|
|
11120 - Very Funny Mr. Feynman | 290 |
43.45%
|
108 |
72.22%
|
|
|
|
11121 - Base -2 | 6100 |
58.07%
|
2471 |
94.33%
|
|
|
|
11122 - Tri Tri | 1989 |
19.05%
|
470 |
59.15%
|
|
|
|
11123 - Counting Trapizoid | 723 |
24.76%
|
169 |
65.68%
|
|
|
|
11124 - Troubles for Modern Days Problemsetters | 506 |
33.40%
|
130 |
73.08%
|
|
|
|
11125 - Arrange Some Marbles | 1501 |
38.37%
|
421 |
85.99%
|
|
|
|
11126 - Relaxed Golf | 481 |
37.84%
|
107 |
78.50%
|
|
|
|
11127 - Triple-Free Binary Strings | 1272 |
55.42%
|
488 |
78.69%
|
|
|
|
11128 - Faulty Computer | 509 |
36.15%
|
101 |
76.24%
|
|
|
|
11129 - An antiarithmetic permutation | 4063 |
48.09%
|
698 |
87.39%
|
|
|
|
11130 - Billiard bounces | 2203 |
69.27%
|
1220 |
94.75%
|
|
|
|
11131 - Close Relatives | 489 |
52.35%
|
225 |
89.33%
|
|
|
|
11132 - Dice from pennies | 709 |
43.72%
|
333 |
80.18%
|
|
|
|
11133 - Eigensequence | 857 |
72.46%
|
505 |
96.44%
|
|
|
|
11134 - Fabled Rooks | 9378 |
40.44%
|
1326 |
86.95%
|
|
|
|
11135 - Gopher that walks and swims | 110 |
43.64%
|
46 |
67.39%
|
|
|
|
11136 - Hoax or what | 18942 |
38.44%
|
4429 |
89.61%
|
|
|
|
11137 - Ingenuous Cubrency | 12846 |
69.21%
|
5513 |
97.41%
|
|
|
|
11138 - Nuts and Bolts | 3903 |
56.93%
|
1466 |
92.29%
|
|
|
|
11139 - Counting Quadrilaterals | 146 |
50.00%
|
70 |
74.29%
|
|
|
|
11140 - Little Ali's Little Brother! | 1286 |
31.96%
|
394 |
84.26%
|
|
|
|
11141 - Sugar Cubes | 214 |
21.03%
|
63 |
57.14%
|
|
|
|
11142 - MineSweeper II | 413 |
8.96%
|
101 |
30.69%
|
|
|
|
11143 - Subtitles | 71 |
15.49%
|
27 |
37.04%
|
|
|
|
11144 - S.O.S. | 576 |
18.06%
|
106 |
60.38%
|
|
|
|
11145 - AvreniM | 129 |
14.73%
|
41 |
36.59%
|
|
|
|
11146 - Insurrection | 402 |
24.63%
|
85 |
71.76%
|
|
|
|
11147 - KuPellaKeS BST | 910 |
43.19%
|
310 |
88.71%
|
|
|
|
11148 - Moliu Fractions | 1112 |
37.05%
|
408 |
84.31%
|
|
|
|
11149 - Power of Matrix | 7721 |
25.28%
|
941 |
78.96%
|
|
|
|
11150 - Cola | 44242 |
47.05%
|
14797 |
93.11%
|
|
|
|
11151 - Longest Palindrome | 24243 |
30.55%
|
4742 |
83.21%
|
|
|
|
11152 - Colourful Flowers | 20196 |
38.02%
|
5248 |
91.27%
|
|
|
|
11153 - Museums | 872 |
26.61%
|
207 |
70.53%
|
|
|
|
11154 - An Octal World | 212 |
10.38%
|
36 |
44.44%
|
|
|
|
11155 - Be Efficient | 1602 |
45.57%
|
540 |
83.70%
|
|
|
|
11156 - Continuous Drawing | 500 |
25.60%
|
122 |
68.03%
|
|
|
|
11157 - Dynamic Frog | 6460 |
51.76%
|
2221 |
90.72%
|
|
|
|
11158 - Elegant Permuted Sum | 1133 |
40.07%
|
462 |
81.17%
|
|
|
|
11159 - Factors and Multiples | 6552 |
29.32%
|
1438 |
86.79%
|
|
|
|
11160 - Going Together | 856 |
44.63%
|
249 |
81.53%
|
|
|
|
11161 - Help My Brother (II) | 1616 |
54.76%
|
771 |
91.44%
|
|
|
|
11162 - Independent Attacking Zones | 541 |
56.56%
|
195 |
89.74%
|
|
|
|
11163 - Jaguar King | 1155 |
33.59%
|
197 |
75.13%
|
|
|
|
11164 - Kingdom Division | 887 |
37.20%
|
311 |
84.24%
|
|
|
|
11165 - Galactic Travel | 561 |
34.58%
|
161 |
75.78%
|
|
|
|
11166 - Power Signs | 634 |
34.23%
|
216 |
75.93%
|
|
|
|
11167 - Monkeys in the Emei Mountain | 4557 |
22.51%
|
753 |
71.45%
|
|
|
|
11168 - Airport | 3933 |
35.83%
|
527 |
84.25%
|
|
|
|
11169 - Deal or No Deal | 162 |
59.88%
|
64 |
81.25%
|
|
|
|
11170 - Cos(NA) | 668 |
50.30%
|
305 |
90.49%
|
|
|
|
11171 - SMS | 1095 |
17.17%
|
233 |
47.64%
|
|
|
|
11172 - Relational Operator | 169336 |
56.58%
|
57891 |
95.77%
|
|
|
|
11173 - Grey Codes | 5952 |
72.73%
|
2732 |
95.02%
|
|
|
|
11174 - Stand in a Line | 2313 |
45.57%
|
490 |
86.94%
|
|
|
|
11175 - From D to E and Back | 1786 |
52.86%
|
438 |
86.99%
|
|
|
|
11176 - Winning Streak | 1732 |
53.81%
|
627 |
88.04%
|
|
|
|
11177 - Fighting Against a Polygonal Monster | 1339 |
29.20%
|
196 |
69.39%
|
|
|
|
11178 - Morley's Theorem | 3212 |
71.98%
|
791 |
96.08%
|
|
|
|
11179 - Bit Stream | 690 |
29.71%
|
106 |
53.77%
|
|
|
|
11180 - Base i-1 | 593 |
70.83%
|
291 |
94.50%
|
|
|
|
11181 - Probability|Given | 6361 |
57.16%
|
1602 |
96.00%
|
|
|
|
11182 - Zeroes III | 771 |
26.20%
|
201 |
75.12%
|
|
|
|
11183 - Teen Girl Squad | 5212 |
35.82%
|
709 |
69.68%
|
|
|
|
11184 - Joyful Ride | 393 |
67.43%
|
211 |
89.10%
|
|
|
|
11185 - Ternary | 31913 |
41.15%
|
10218 |
94.63%
|
|
|
|
11186 - Circum Triangle | 1794 |
44.65%
|
383 |
84.07%
|
|
|
|
11187 - Water Crisis | 590 |
24.58%
|
122 |
59.02%
|
|
|
|
11188 - A Strange Opera House | 16 |
31.25%
|
11 |
45.45%
|
|
|
|
11189 - A Simple Pendulum | 359 |
24.23%
|
91 |
64.84%
|
|
|
|
11190 - Series of Powers | 522 |
31.80%
|
129 |
79.07%
|
|
|
|
11191 - Square | 1208 |
29.88%
|
258 |
79.84%
|
|
|
|
11192 - Group Reverse | 21803 |
55.67%
|
8950 |
95.73%
|
|
|
|
11193 - Infinix | 208 |
26.44%
|
58 |
70.69%
|
|
|
|
11194 - Stone Grid | 340 |
37.65%
|
58 |
67.24%
|
|
|
|
11195 - Another n-Queen Problem | 10082 |
38.89%
|
2380 |
71.60%
|
|
|
|
11196 - Birthday Cake | 767 |
27.64%
|
196 |
66.33%
|
|
|
|
11197 - Counting RNA sequences | 167 |
32.93%
|
49 |
57.14%
|
|
|
|
11198 - Dancing Digits | 1594 |
49.69%
|
552 |
89.13%
|
|
|
|
11199 - Equations in Disguise | 396 |
15.91%
|
57 |
40.35%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |