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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
21174 Gallantry   1 396 51.18
14
11
21175 Rush hour   142 41.47
21176 Stapled intervals   49 60.26
21177 Distracted judges   6 320 44.67
13
17
21178 Encryption kit   49 31.15
21187 Increasing Shortest Path   2 30 18.78
26
34
21193 Adjusting Ducks   3 63 30.98
20
27
21284 Can You Make It Empty 3   6 94 31.09
15
20
21326 Akbar , The great   63 2482 15.81
21
18
21332 Pigeonhole Tower   7 1750 35.70
4
6
21347 Tulip And Numbers   15 976 22.35
14
14
21352 Avantgarde and Bicycle   22 37.84
21353 Avantgarde and Doughnut   5 19 45.90
21
34
21354 String Problem   4 27 32.69
26
26
21356 Divisible Number Sum   8 46 18.67
26
23
21357 Crucial Equation   80 6171 38.07
4
9
21360 Suffix Equal Prefix   5 515 28.85
13
13
21394 Ohani And The Series   4 598 42.05
17
17
21395 Ohani And Binary Search Tree   -1 127 36.31
50
17
21396 Taklu Kuddus   4 101 7.85
30
21
21407 2x2 Subgrid Sum Problem (medium)   17 21.05
21409 2x2 Subgrid Sum Problem (generalized)   1 6 42.11
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   5 115 30.69
9
21
21457 House Fence   5 143 27.93
9
21
21458 Satay Skewer   2 80 26.71
34
17
21460 Tresi and Girls   3 66 23.21
17
21
21461 Field   7 272 37.44
12
10
21462 Final Assignment   2 51 31.63
9
1
21463 Arithmetic Rectangle   36 20.47
21524 Pattern Find   79 4607 37.99
10
13
21525 Red John is Back   5 315 53.58
6
17
21526 Rotating Cube   7 112 52.16
15
6
21572 Marble & store   3 122 19.71
17
15
21585 Hazzat’s Query   73 26.27
21597 The Hack   1 20 15.82
1
34
21599 POWER LEFT   1 108 20.96
21
14
21615 Playing with GCD   21 949 34.93
12
14
21616 Game of chocolate   3 584 30.95
5
5
21635 Beautiful Mountains   1 16 39.68
17
34
21636 Electric Car Rally   1 14 45.65
34
17
21640 Nested Palindromes   2 25 20.81
38
38
21642 Tsunami   3 139 40.46
28
23
21643 Unhappy Numbers   6 45 36.75
31
31
21644 Walls   1 21 34.94
17
34
21671 Jumppy and the Grid   4 62 32.64
21
21
21672 Frustrated CR and His Class   3 42 29.17
17
17
21683 Bhagat and String   2 29 33.06
34
50
21690 Power the Power Up   10 478 17.55
17
23

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