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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8425 Coloring Trees   10 320 30.30
20
31
21643 Unhappy Numbers   6 45 36.75
31
31
30759 Ada and Species   8 103 24.69
26
31
10628 Count on a tree   63 2413 17.07
32
31
286 Selfish Cities   1 700 39.07
31
31
4485 MobiZone vs VinaGone   7 322 33.31
17
31
10570 Longest Common Substring   4 791 29.01
31
31
7422 Escape from Jail Again   7 436 42.16
30
32
9842 Yet Another Fancy Game   6 236 22.91
7
32
31893 Fibonacci and Easy GCD   7 63 27.48
23
32
32079 Ada and Greenflies   8 126 45.40
13
32
676 Sorting is not easy   9 536 39.66
19
32
9066 Sum of Distinct Numbers   25 334 14.29
32
32
33017 Ada and Mold   13 146 34.69
20
33
8406 Temple Queues   14 290 19.45
31
33
11050 R Numbers   15 255 55.72
29
33
2371 Another Longest Increasing Subsequence Problem   16 797 13.46
29
33
20 The Bytelandian Cryptographer (Act IV)   2 55 26.40
21
34
34 Run Away   2 483 21.79
26
34
68 Expression   163 30.09
1
34
85 Dice Contest   47 22.05
34
34
88 Which is Next   1 129 20.64
34
34
109 Exchanges   1 126 45.35
34
112 Horizontally Visible Segments   1 157 27.85
17
34
118 Rhombs   105 47.21
1
34
182 Window   1 45 29.80
17
34
186 The lightest language   1 156 25.53
17
34
196 Musketeers   2 497 30.27
17
34
202 Rockets   -1 56 12.18
34
34
215 Panic in the Plazas   83 20.53
34
34
262 Connections   1 111 28.84
34
34
318 Pythagorean Legacy   29 23.04
1
34
325 The Tall Windmills   82 24.75
34
327 Platon and Socrates   50 12.75
9
34
332 Hard Question   102 32.33
1
34
369 Math I   87 25.41
34
34
387 Travelling tours   1 305 53.93
30
34
401 Translations   131 38.11
17
34
421 Another Road Problem   68 24.54
17
34
481 Roots of polynomial   37 24.90
17
34
598 Increasing Subsequences   142 34.21
34
34
707 Triple-Free Sets   1 171 40.78
17
34
827 Trigonometric optimization   78 28.03
1
34
839 Optimal Marks   8 822 24.44
25
34
1183 Accomodate the palace   4 547 52.42
17
34
1269 CN Tower (Hard)   23 11.74
34
34
1421 Goods   140 29.23
1
34
1441 The Clever Typist   1 34 9.63
17
34
1466 Blue Mary Needs Help Again   5 208 20.49
30
34
1476 Maximum Profit   7 340 31.81
20
34

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