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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 11100 - The Trip, 2007 11926
33.99%
2544
84.63%
FILE 11101 - Mall Mania 5284
33.88%
1379
86.58%
FILE 11102 - Moonshine 622
20.90%
112
50.89%
FILE 11103 - WFF 'N PROOF 1454
49.31%
586
91.98%
FILE 11104 - Cousins 439
39.41%
169
75.74%
FILE 11105 - Semi-prime H-numbers 3473
55.83%
1277
89.58%
FILE 11106 - Rectilinear Polygon 749
35.11%
260
76.15%
FILE 11107 - Life Forms 10309
27.99%
1223
77.35%
FILE 11108 - Tautology 1639
51.13%
691
93.49%
FILE 11109 - Rinse 255
38.04%
95
75.79%
FILE 11110 - Equidivisions 8169
31.93%
2221
83.70%
FILE 11111 - Generalized Matrioshkas 10986
32.99%
2422
88.32%
FILE 11112 - Babylonian Roulette 516
54.46%
257
94.55%
FILE 11113 - Continuous Fractions 1160
15.86%
230
53.48%
FILE 11114 - Polygon Encoder 636
15.25%
121
49.59%
FILE 11115 - Uncle Jack 4097
48.28%
1604
89.40%
FILE 11116 - Babel Towers 493
30.43%
153
73.86%
FILE 11117 - Little Quilt 449
34.52%
155
85.81%
FILE 11118 - Prisoners, Boxes and Pieces of Paper 367
37.06%
160
67.50%
FILE 11119 - Chemical Attraction 373
31.64%
103
67.96%
FILE 11120 - Very Funny Mr. Feynman 289
43.60%
107
72.90%
FILE 11121 - Base -2 5874
58.60%
2434
94.33%
FILE 11122 - Tri Tri 1955
19.28%
466
59.23%
FILE 11123 - Counting Trapizoid 714
24.51%
164
65.85%
FILE 11124 - Troubles for Modern Days Problemsetters 501
33.33%
127
74.02%
FILE 11125 - Arrange Some Marbles 1499
38.36%
419
86.16%
FILE 11126 - Relaxed Golf 476
37.82%
105
79.05%
FILE 11127 - Triple-Free Binary Strings 1229
56.71%
474
80.17%
FILE 11128 - Faulty Computer 500
35.80%
96
77.08%
FILE 11129 - An antiarithmetic permutation 2722
57.68%
687
87.48%
FILE 11130 - Billiard bounces 2165
69.52%
1207
94.95%
FILE 11131 - Close Relatives 483
51.97%
221
89.59%
FILE 11132 - Dice from pennies 700
43.57%
326
80.37%
FILE 11133 - Eigensequence 849
72.56%
501
96.61%
FILE 11134 - Fabled Rooks 9146
40.21%
1282
86.74%
FILE 11135 - Gopher that walks and swims 109
44.04%
45
68.89%
FILE 11136 - Hoax or what 18108
38.57%
4368
89.51%
FILE 11137 - Ingenuous Cubrency 12226
69.97%
5447
97.45%
FILE 11138 - Nuts and Bolts 3794
56.93%
1450
92.34%
FILE 11139 - Counting Quadrilaterals 145
50.34%
69
75.36%
FILE 11140 - Little Ali's Little Brother! 1261
32.12%
388
84.54%
FILE 11141 - Sugar Cubes 213
21.13%
62
58.06%
FILE 11142 - MineSweeper II 387
9.30%
100
30.00%
FILE 11143 - Subtitles 70
15.71%
26
38.46%
FILE 11144 - S.O.S. 568
17.78%
99
61.62%
FILE 11145 - AvreniM 116
16.38%
34
44.12%
FILE 11146 - Insurrection 400
24.50%
83
72.29%
FILE 11147 - KuPellaKeS BST 879
42.89%
299
87.96%
FILE 11148 - Moliu Fractions 1088
37.32%
406
84.24%
FILE 11149 - Power of Matrix 7320
25.16%
884
78.39%
FILE 11150 - Cola 41655
47.14%
14362
93.04%
FILE 11151 - Longest Palindrome 23040
30.86%
4680
83.42%
FILE 11152 - Colourful Flowers 19633
38.45%
5231
91.28%
FILE 11153 - Museums 869
26.47%
204
70.59%
FILE 11154 - An Octal World 208
10.58%
32
50.00%
FILE 11155 - Be Efficient 1580
45.44%
534
83.71%
FILE 11156 - Continuous Drawing 499
25.65%
121
68.60%
FILE 11157 - Dynamic Frog 6146
52.28%
2184
90.75%
FILE 11158 - Elegant Permuted Sum 1026
42.50%
457
80.31%
FILE 11159 - Factors and Multiples 6499
29.37%
1427
86.83%
FILE 11160 - Going Together 782
45.78%
236
83.05%
FILE 11161 - Help My Brother (II) 1586
55.30%
766
91.51%
FILE 11162 - Independent Attacking Zones 538
56.51%
192
90.10%
FILE 11163 - Jaguar King 1152
33.59%
194
75.77%
FILE 11164 - Kingdom Division 868
37.21%
306
84.31%
FILE 11165 - Galactic Travel 552
34.42%
158
76.58%
FILE 11166 - Power Signs 610
34.43%
210
75.71%
FILE 11167 - Monkeys in the Emei Mountain 4321
22.63%
716
71.09%
FILE 11168 - Airport 3894
35.80%
517
84.14%
FILE 11169 - Deal or No Deal 152
59.87%
61
81.97%
FILE 11170 - Cos(NA) 653
50.84%
301
90.70%
FILE 11171 - SMS 1042
16.99%
223
46.19%
FILE 11172 - Relational Operator 160018
56.69%
56919
95.80%
FILE 11173 - Grey Codes 5701
73.09%
2637
94.99%
FILE 11174 - Stand in a Line 2278
45.39%
472
86.65%
FILE 11175 - From D to E and Back 1655
52.93%
405
87.41%
FILE 11176 - Winning Streak 1652
54.48%
615
87.97%
FILE 11177 - Fighting Against a Polygonal Monster 1327
29.01%
191
69.63%
FILE 11178 - Morley's Theorem 3144
72.49%
766
96.21%
FILE 11179 - Bit Stream 683
29.72%
103
54.37%
FILE 11180 - Base i-1 574
71.25%
285
94.74%
FILE 11181 - Probability|Given 5618
57.26%
1405
96.16%
FILE 11182 - Zeroes III 765
25.88%
197
75.13%
FILE 11183 - Teen Girl Squad 5149
35.79%
700
69.43%
FILE 11184 - Joyful Ride 378
67.99%
201
90.05%
FILE 11185 - Ternary 31074
41.19%
10130
94.66%
FILE 11186 - Circum Triangle 1781
44.58%
377
84.35%
FILE 11187 - Water Crisis 586
24.74%
118
61.02%
FILE 11188 - A Strange Opera House 15
33.33%
10
50.00%
FILE 11189 - A Simple Pendulum 356
23.88%
89
65.17%
FILE 11190 - Series of Powers 521
31.86%
128
79.69%
FILE 11191 - Square 1185
30.04%
254
79.53%
FILE 11192 - Group Reverse 21458
55.61%
8872
95.74%
FILE 11193 - Infinix 205
26.83%
55
74.55%
FILE 11194 - Stone Grid 339
37.76%
57
68.42%
FILE 11195 - Another n-Queen Problem 9390
39.19%
2319
71.63%
FILE 11196 - Birthday Cake 668
27.25%
158
66.46%
FILE 11197 - Counting RNA sequences 158
34.81%
42
66.67%
FILE 11198 - Dancing Digits 1568
49.23%
541
89.28%
FILE 11199 - Equations in Disguise 383
16.45%
51
45.10%
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