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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
21057 Super Lucky Palindromes   3 30 29.17
34
34
21058 Dirty Plates   23 36.36
21061 Yet Another Subset Sum Problem   2 43 37.07
50
50
21068 Popular   3 48 25.54
34
50
21083 Lexicographically Smallest   14 247 33.40
16
17
21085 Palindrome Merge   1 29 26.05
17
17
21092 DRAW TABLE   6 45 53.19
17
1
21096 Word Counting 2   3 171 29.30
34
17
21104 Jarin Loves New Task   6 46 37.36
21
21
21132 Palindromes   1 100 35.33
17
34
21135 Distinct Viewpoints   2 21.43
34
1
21155 Manoj and Fire   22 20.96
21169 Balanced base-3   7 515 52.33
9
7
21170 Constellation of the parallelogram   1 90 26.39
17
17
21171 Fractal domino   15 54.10
21172 Erdos et al   3 139 36.52
26
26
21173 String fertilization   59 42.58
21174 Gallantry   1 398 50.71
14
11
21175 Rush hour   143 41.58
21176 Stapled intervals   52 58.75
21177 Distracted judges   6 321 44.73
13
17
21178 Encryption kit   51 31.11
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   63 2612 15.96
21
18
21332 Pigeonhole Tower   7 1755 35.72
4
6
21347 Tulip And Numbers   15 998 21.93
14
14
21352 Avantgarde and Bicycle   26 40.26
21353 Avantgarde and Doughnut   5 21 46.27
21
34
21354 String Problem   4 28 34.23
26
26
21356 Divisible Number Sum   8 49 17.54
26
20
21357 Crucial Equation   80 6328 38.06
4
9
21360 Suffix Equal Prefix   5 541 29.32
13
13
21394 Ohani And The Series   4 605 42.20
17
17
21395 Ohani And Binary Search Tree   -1 129 36.09
50
17
21396 Taklu Kuddus   3 105 8.12
30
24
21407 2x2 Subgrid Sum Problem (medium)   20 21.97
21409 2x2 Subgrid Sum Problem (generalized)   1 6 34.78
21414 Count The Indexes 2   5 40 17.69
37
24
21418 Interesting Game with Polygons   1 33 26.67
17
34
21456 I Ken Bit Yu   5 116 30.65
9
21
21457 House Fence   5 152 28.02
9
21
21458 Satay Skewer   2 83 27.50
34
17
21460 Tresi and Girls   3 67 22.36
17
21
21461 Field   7 278 37.68
12
10
21462 Final Assignment   2 56 27.35
9
1
21463 Arithmetic Rectangle   36 20.47
21524 Pattern Find   81 4881 38.60
10
13
21525 Red John is Back   5 317 53.56
6
17

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