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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
21057 Super Lucky Palindromes   3 32 27.66
34
34
21058 Dirty Plates   24 30.53
21061 Yet Another Subset Sum Problem   2 45 33.19
50
50
21068 Popular   3 48 25.54
34
50
21083 Lexicographically Smallest   14 248 33.07
16
17
21085 Palindrome Merge   1 32 27.20
17
17
21092 DRAW TABLE   6 46 53.47
17
1
21096 Word Counting 2   3 171 29.30
34
17
21104 Jarin Loves New Task   6 46 37.71
21
21
21132 Palindromes   1 100 35.03
17
34
21135 Distinct Viewpoints   2 37.50
34
1
21155 Manoj and Fire   24 20.56
21169 Balanced base-3   7 517 52.41
9
7
21170 Constellation of the parallelogram   1 90 26.52
17
17
21171 Fractal domino   17 54.41
21172 Erdos et al   3 140 36.80
26
26
21173 String fertilization   60 41.94
21174 Gallantry   1 398 50.71
14
11
21175 Rush hour   144 41.70
21176 Stapled intervals   51 59.24
21177 Distracted judges   6 322 44.79
13
17
21178 Encryption kit   54 32.60
21187 Increasing Shortest Path   2 34 20.17
26
34
21193 Adjusting Ducks   3 67 31.75
20
27
21284 Can You Make It Empty 3   6 95 31.16
15
20
21326 Akbar , The great   64 2667 15.99
21
17
21332 Pigeonhole Tower   7 1754 35.67
4
6
21347 Tulip And Numbers   15 1014 21.76
14
14
21352 Avantgarde and Bicycle   28 41.77
21353 Avantgarde and Doughnut   5 22 44.16
23
31
21354 String Problem   4 28 34.23
26
26
21356 Divisible Number Sum   8 50 17.77
26
20
21357 Crucial Equation   80 6355 38.01
4
9
21360 Suffix Equal Prefix   5 542 29.35
13
13
21394 Ohani And The Series   4 603 42.12
17
17
21395 Ohani And Binary Search Tree   -1 129 36.01
50
17
21396 Taklu Kuddus   3 106 8.17
30
24
21407 2x2 Subgrid Sum Problem (medium)   20 20.57
21409 2x2 Subgrid Sum Problem (generalized)   1 6 17.02
21414 Count The Indexes 2   5 43 18.70
37
24
21418 Interesting Game with Polygons   1 35 27.62
17
34
21456 I Ken Bit Yu   5 117 30.90
9
21
21457 House Fence   5 156 28.14
9
21
21458 Satay Skewer   2 83 27.50
34
17
21460 Tresi and Girls   3 67 22.04
17
21
21461 Field   7 279 37.83
12
10
21462 Final Assignment   2 57 24.63
9
1
21463 Arithmetic Rectangle   36 20.47
21524 Pattern Find   81 4962 38.68
10
13
21525 Red John is Back   5 317 53.56
6
17

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