list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
120 Solitaire   7 354 23.45
26
16
388 Menu   7 347 18.89
25
16
870 Basically Speaking   7 1436 43.73
6
6
1162 Tic-Tac-Toe ( II )   7 2337 30.38
17
9
1787 Run Length Encoding   7 855 19.60
15
4
3379 String Shuffle   7 393 65.96
17
14
3638 Word Counting   7 2626 21.06
10
6
3639 Lucky Numbers   7 729 34.10
13
9
3791 Street   7 662 51.56
9
12
3866 Finding Palindromes   7 244 19.43
19
23
3924 Filchs Dilemna   7 520 65.27
9
17
3928 Counting Digits   7 1122 44.56
22
26
3974 Another Tree Problem   7 643 32.56
17
23
3979 Whirligig number   7 1021 37.97
10
15
3982 String problem   7 604 48.95
9
23
4038 Counting The Way of Bracket Replacement   7 435 38.74
26
21
4273 Train TimeTable   7 422 33.97
14
8
4483 Roads Repair   7 177 32.54
20
23
4485 MobiZone vs VinaGone   7 319 33.23
17
31
5091 Feline Olympics - Mouseball   7 593 39.14
7
15
5107 Playing with Marbles   7 786 23.60
12
8
6290 Robbery 2   7 799 32.79
17
13
6489 Finding the Kth Prime (Hard)   7 77 9.69
42
36
6517 Farmer Sepp   7 328 21.92
28
26
6828 Lineup   7 690 32.24
11
9
7132 Headshot   7 1392 37.22
8
14
7264 Digital LED Number   7 531 28.81
14
4
7422 Escape from Jail Again   7 429 41.92
30
32
7741 Sequence   7 802 30.25
11
23
7826 Tree Isomorphism   7 516 22.43
19
27
7976 Sum the Square   7 535 25.81
12
15
8495 Maximum Subset of Array   7 729 27.80
19
17
8791 Dynamic LCA   7 440 28.67
27
25
8796 Cubist Artwork   7 646 68.46
7
9
8916 Villages by the River   7 268 23.71
12
19
8917 How Many Plusses   7 174 31.76
11
14
9458 Ghosts having fun   7 202 11.67
16
23
9570 Counting binary strings   7 338 53.04
17
24
10050 Power Tower City   7 104 70.31
26
29
10145 Birthday Cake   7 257 36.82
12
12
10334 SOLDIERS   7 747 28.47
8
8
10522 K12-OE Numbers   7 229 49.24
21
21
10575 The Yellow Brick Road   7 1271 49.38
8
5
11895 DONALDO   7 505 24.81
11
13
12295 Smallest Inverse Euler Totient Function   7 212 22.97
21
17
12363 Red And Green   7 249 39.68
8
14
12407 Johnny The Gambler   7 952 20.62
8
6
12462 Boggle Scoring   7 535 47.84
5
5
12734 Seating Arrangement   7 158 60.87
6
15
13469 FOREVER ALONE   7 91 39.43
24
24

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