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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
21057 Super Lucky Palindromes   3 30 29.91
34
34
21058 Dirty Plates   23 41.79
21061 Yet Another Subset Sum Problem   2 43 42.94
50
50
21068 Popular   3 47 25.23
34
50
21083 Lexicographically Smallest   14 246 33.27
16
17
21085 Palindrome Merge   1 29 26.50
17
17
21092 DRAW TABLE   6 45 54.35
17
1
21096 Word Counting 2   3 170 29.25
34
17
21104 Jarin Loves New Task   6 45 36.99
21
21
21132 Palindromes   1 99 35.15
17
34
21135 Distinct Viewpoints   2 42.86
34
1
21155 Manoj and Fire   22 20.96
21169 Balanced base-3   7 513 52.17
9
7
21170 Constellation of the parallelogram   1 89 26.26
17
17
21171 Fractal domino   15 54.10
21172 Erdos et al   3 138 36.60
26
26
21173 String fertilization   58 43.45
21174 Gallantry   1 396 51.18
14
11
21175 Rush hour   143 41.58
21176 Stapled intervals   51 60.00
21177 Distracted judges   6 320 44.67
13
17
21178 Encryption kit   51 31.46
21187 Increasing Shortest Path   2 33 19.92
26
34
21193 Adjusting Ducks   3 66 31.61
20
27
21284 Can You Make It Empty 3   6 95 31.16
15
20
21326 Akbar , The great   63 2603 15.92
21
18
21332 Pigeonhole Tower   7 1754 35.69
4
6
21347 Tulip And Numbers   15 994 21.92
14
14
21352 Avantgarde and Bicycle   26 40.26
21353 Avantgarde and Doughnut   5 20 46.77
21
34
21354 String Problem   4 27 32.69
26
26
21356 Divisible Number Sum   8 48 17.94
26
20
21357 Crucial Equation   80 6319 38.09
4
9
21360 Suffix Equal Prefix   5 540 29.32
13
13
21394 Ohani And The Series   4 603 42.14
17
17
21395 Ohani And Binary Search Tree   -1 128 36.28
50
17
21396 Taklu Kuddus   3 103 8.05
30
24
21407 2x2 Subgrid Sum Problem (medium)   19 22.05
21409 2x2 Subgrid Sum Problem (generalized)   1 6 38.10
21414 Count The Indexes 2   5 41 18.11
37
24
21418 Interesting Game with Polygons   1 33 27.75
17
34
21456 I Ken Bit Yu   5 116 30.65
9
21
21457 House Fence   5 149 27.63
9
21
21458 Satay Skewer   2 81 26.87
34
17
21460 Tresi and Girls   3 66 22.03
17
21
21461 Field   7 277 37.61
12
10
21462 Final Assignment   2 52 30.72
9
1
21463 Arithmetic Rectangle   36 20.47
21524 Pattern Find   81 4862 38.57
10
13
21525 Red John is Back   5 315 53.58
6
17

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