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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
11100 - The Trip, 2007 | 12326 |
33.94%
|
2592 |
84.53%
|
|
|
11101 - Mall Mania | 5557 |
34.05%
|
1404 |
86.47%
|
|
|
|
11102 - Moonshine | 629 |
21.30%
|
115 |
53.04%
|
|
|
|
11103 - WFF 'N PROOF | 1481 |
49.70%
|
598 |
91.97%
|
|
|
|
11104 - Cousins | 457 |
39.82%
|
175 |
76.00%
|
|
|
|
11105 - Semi-prime H-numbers | 3582 |
56.37%
|
1321 |
89.55%
|
|
|
|
11106 - Rectilinear Polygon | 764 |
35.86%
|
264 |
76.89%
|
|
|
|
11107 - Life Forms | 11094 |
27.74%
|
1305 |
76.78%
|
|
|
|
11108 - Tautology | 1671 |
51.29%
|
706 |
93.48%
|
|
|
|
11109 - Rinse | 270 |
39.63%
|
103 |
73.79%
|
|
|
|
11110 - Equidivisions | 8391 |
31.84%
|
2251 |
83.78%
|
|
|
|
11111 - Generalized Matrioshkas | 11861 |
33.16%
|
2482 |
88.24%
|
|
|
|
11112 - Babylonian Roulette | 547 |
54.11%
|
268 |
93.28%
|
|
|
|
11113 - Continuous Fractions | 1196 |
16.81%
|
241 |
56.43%
|
|
|
|
11114 - Polygon Encoder | 654 |
16.51%
|
127 |
54.33%
|
|
|
|
11115 - Uncle Jack | 4149 |
48.40%
|
1616 |
89.36%
|
|
|
|
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 | 373 |
37.80%
|
165 |
67.88%
|
|
|
|
11119 - Chemical Attraction | 384 |
33.07%
|
107 |
69.16%
|
|
|
|
11120 - Very Funny Mr. Feynman | 293 |
44.03%
|
111 |
72.97%
|
|
|
|
11121 - Base -2 | 6180 |
58.19%
|
2485 |
94.37%
|
|
|
|
11122 - Tri Tri | 1995 |
19.05%
|
471 |
59.24%
|
|
|
|
11123 - Counting Trapizoid | 730 |
25.21%
|
172 |
65.70%
|
|
|
|
11124 - Troubles for Modern Days Problemsetters | 512 |
34.18%
|
134 |
73.88%
|
|
|
|
11125 - Arrange Some Marbles | 1527 |
38.64%
|
425 |
86.12%
|
|
|
|
11126 - Relaxed Golf | 484 |
38.22%
|
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 | 4204 |
48.93%
|
701 |
87.45%
|
|
|
|
11130 - Billiard bounces | 2219 |
69.40%
|
1233 |
94.81%
|
|
|
|
11131 - Close Relatives | 494 |
52.63%
|
228 |
89.47%
|
|
|
|
11132 - Dice from pennies | 714 |
43.70%
|
336 |
80.06%
|
|
|
|
11133 - Eigensequence | 863 |
72.65%
|
507 |
96.45%
|
|
|
|
11134 - Fabled Rooks | 9455 |
40.48%
|
1339 |
87.01%
|
|
|
|
11135 - Gopher that walks and swims | 117 |
45.30%
|
49 |
69.39%
|
|
|
|
11136 - Hoax or what | 19250 |
38.47%
|
4462 |
89.62%
|
|
|
|
11137 - Ingenuous Cubrency | 12920 |
69.23%
|
5530 |
97.41%
|
|
|
|
11138 - Nuts and Bolts | 3910 |
56.98%
|
1471 |
92.32%
|
|
|
|
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 | 82 |
19.51%
|
33 |
45.45%
|
|
|
|
11144 - S.O.S. | 585 |
18.63%
|
109 |
62.39%
|
|
|
|
11145 - AvreniM | 143 |
18.18%
|
44 |
43.18%
|
|
|
|
11146 - Insurrection | 405 |
25.19%
|
87 |
72.41%
|
|
|
|
11147 - KuPellaKeS BST | 974 |
43.43%
|
326 |
88.34%
|
|
|
|
11148 - Moliu Fractions | 1116 |
37.10%
|
409 |
84.35%
|
|
|
|
11149 - Power of Matrix | 7758 |
25.30%
|
943 |
79.00%
|
|
|
|
11150 - Cola | 45323 |
47.45%
|
15037 |
93.20%
|
|
|
|
11151 - Longest Palindrome | 24718 |
30.54%
|
4766 |
83.21%
|
|
|
|
11152 - Colourful Flowers | 20365 |
37.99%
|
5251 |
91.26%
|
|
|
|
11153 - Museums | 876 |
26.83%
|
210 |
70.48%
|
|
|
|
11154 - An Octal World | 237 |
10.55%
|
45 |
42.22%
|
|
|
|
11155 - Be Efficient | 1618 |
45.61%
|
546 |
83.70%
|
|
|
|
11156 - Continuous Drawing | 511 |
26.22%
|
125 |
69.60%
|
|
|
|
11157 - Dynamic Frog | 6637 |
51.83%
|
2239 |
90.80%
|
|
|
|
11158 - Elegant Permuted Sum | 1141 |
39.88%
|
463 |
81.21%
|
|
|
|
11159 - Factors and Multiples | 6579 |
29.32%
|
1444 |
86.84%
|
|
|
|
11160 - Going Together | 881 |
44.49%
|
253 |
81.82%
|
|
|
|
11161 - Help My Brother (II) | 1619 |
54.79%
|
771 |
91.44%
|
|
|
|
11162 - Independent Attacking Zones | 545 |
56.88%
|
197 |
89.85%
|
|
|
|
11163 - Jaguar King | 1165 |
33.39%
|
199 |
74.87%
|
|
|
|
11164 - Kingdom Division | 892 |
37.44%
|
313 |
84.35%
|
|
|
|
11165 - Galactic Travel | 564 |
34.93%
|
163 |
76.07%
|
|
|
|
11166 - Power Signs | 641 |
34.48%
|
218 |
75.69%
|
|
|
|
11167 - Monkeys in the Emei Mountain | 4602 |
22.60%
|
762 |
71.52%
|
|
|
|
11168 - Airport | 3979 |
36.11%
|
533 |
84.43%
|
|
|
|
11169 - Deal or No Deal | 169 |
61.54%
|
67 |
83.58%
|
|
|
|
11170 - Cos(NA) | 671 |
50.52%
|
308 |
90.58%
|
|
|
|
11171 - SMS | 1103 |
17.50%
|
235 |
48.09%
|
|
|
|
11172 - Relational Operator | 172941 |
56.66%
|
58192 |
95.77%
|
|
|
|
11173 - Grey Codes | 6025 |
72.70%
|
2757 |
95.03%
|
|
|
|
11174 - Stand in a Line | 2335 |
45.40%
|
491 |
86.97%
|
|
|
|
11175 - From D to E and Back | 1818 |
52.97%
|
447 |
86.80%
|
|
|
|
11176 - Winning Streak | 1760 |
53.47%
|
632 |
88.13%
|
|
|
|
11177 - Fighting Against a Polygonal Monster | 1343 |
29.41%
|
198 |
69.70%
|
|
|
|
11178 - Morley's Theorem | 3227 |
72.08%
|
796 |
96.11%
|
|
|
|
11179 - Bit Stream | 694 |
30.12%
|
108 |
55.56%
|
|
|
|
11180 - Base i-1 | 595 |
70.92%
|
292 |
94.52%
|
|
|
|
11181 - Probability|Given | 6622 |
57.40%
|
1633 |
95.90%
|
|
|
|
11182 - Zeroes III | 778 |
26.61%
|
203 |
75.37%
|
|
|
|
11183 - Teen Girl Squad | 5371 |
35.93%
|
714 |
69.89%
|
|
|
|
11184 - Joyful Ride | 395 |
67.59%
|
212 |
89.15%
|
|
|
|
11185 - Ternary | 32140 |
41.15%
|
10244 |
94.62%
|
|
|
|
11186 - Circum Triangle | 1806 |
44.74%
|
385 |
84.16%
|
|
|
|
11187 - Water Crisis | 596 |
24.83%
|
125 |
60.00%
|
|
|
|
11188 - A Strange Opera House | 29 |
48.28%
|
23 |
60.87%
|
|
|
|
11189 - A Simple Pendulum | 363 |
25.07%
|
92 |
67.39%
|
|
|
|
11190 - Series of Powers | 533 |
32.65%
|
135 |
80.00%
|
|
|
|
11191 - Square | 1212 |
30.03%
|
261 |
80.08%
|
|
|
|
11192 - Group Reverse | 22146 |
55.96%
|
8991 |
95.72%
|
|
|
|
11193 - Infinix | 220 |
27.27%
|
63 |
73.02%
|
|
|
|
11194 - Stone Grid | 350 |
37.43%
|
62 |
67.74%
|
|
|
|
11195 - Another n-Queen Problem | 10209 |
39.07%
|
2398 |
71.68%
|
|
|
|
11196 - Birthday Cake | 786 |
27.99%
|
201 |
66.67%
|
|
|
|
11197 - Counting RNA sequences | 179 |
36.31%
|
53 |
62.26%
|
|
|
|
11198 - Dancing Digits | 1620 |
49.57%
|
558 |
89.25%
|
|
|
|
11199 - Equations in Disguise | 415 |
16.87%
|
60 |
48.33%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |