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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2961 Triomino Game   2 236 28.36
26
42
2962 Painting Blocks (Act I)   107 58.24
2963 Painting Blocks (Act II)   1 55 20.19
17
34
3002 Electrophoretic   12 26.00
3003 Median Filter   2 20 47.58
34
34
3004 Life Game   -1 69 33.94
34
1
3005 Subdividing a Land   24 37.80
3006 Connect Line Segments   1 75 25.59
17
17
3007 Oil Company   3 178 25.08
23
28
3008 Finding the Top RPS Player   1 177 68.63
23
28
3009 Revenge of Voronoi   14 35.26
3010 Castle Wall   25 22.13
3023 Binary multiplication   3 226 25.00
17
17
3033 Help the soldier   18 1242 29.02
12
14
3070 How many subsequences   1 94 9.74
34
34
3078 Copying DNA   44 23.53
3105 Power Modulo Inverted   6 986 25.97
15
23
3106 Dictionary Subsequences   3 162 18.20
17
17
3107 Odd Numbers of Divisors   27 1042 18.26
22
22
3108 Charlesbert and Merangelou   71 47.31
3109 Longest Common Prefix   4 338 23.74
38
34
3110 Palindromic Number   3 94 20.15
9
17
3111 Stabards   3 160 43.10
12
23
3112 Strings   1 265 30.68
17
34
3133 Here We Go(relians) Again   3 168 40.22
12
12
3166 Permutation Exponentiation   33 14.85
3184 Game of Lines   8 1300 27.74
14
9
3195 Doors and Penguins   9 238 27.22
19
16
3196 Divisibility Relation   4 284 20.96
17
37
3197 Tree Construction   62 20.00
3208 Yet Another Longest Palindrome Problem   68 13.65
3249 Typesettin   2 33 45.68
1
1
3251 Slink   15 44.44
1
1
3253 Electronic Document Security   3 149 60.78
23
6
3254 Guard   14 51.72
3261 Race Against Time   37 1058 23.96
21
21
3266 K-query   238 5310 24.78
21
25
3267 D-query   452 12411 27.63
19
23
3273 Order statistic set   157 3106 25.78
22
20
3305 Roman Patrollers   45 59.26
3306 Very Special Boxes   1 108 31.31
17
17
3307 Hex Tile Equations   1 35 42.45
3308 The Bridges of San Mochti   2 64 54.40
17
17
3309 Bulletin Board   19 20.80
3310 Serial Numbers   1 32 29.06
34
17
3314 Umnozak   102 29.03
42
17
3322 Doubled Numbers   2 163 48.13
17
17
3347 Cestarine   59 34.58
3359 Stack   45 15.60
3360 Digital Image Recognition   25 8.19

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