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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
16 Sphere in a tetrahedron   12 3552 55.22
11
16
9334 Point in tetrahedron   2 141 57.59
9
17
10802 Sum of Tetranacci numbers   5 318 38.94
27
21
5317 Tetravex Puzzle   2 284 46.25
23
6
5155 Exciting Time   45 13.96
1741 Tetris 3D   2 191 32.52
26
42
9513 Game   20 18.58
42535 Hugo"s Tennis Training   4 46 48.54
1
5
484 Fossil in the Ice   453 22.40
34
17
18941 True Friends   30 1033 51.32
12
13
707 Triple-Free Sets   2 211 39.21
23
34
35716 Trending GCD (Hard)   1 17 46.15
14156 Movie Theatre Madness   8 446 53.30
15
17
36199 Subset with all Digits   18 246 33.86
16
19
12436 The One-Dimensional Pool Table   1 63 41.35
1
34
26119 Revenge of Arjuna   2 37 36.96
17
17
8952 Catapult that ball   34 3212 26.34
12
12
207 Three-coloring of binary trees   16 887 36.10
20
17
32724 nth number   4 644 24.63
12
11
9459 Connecting three towns (variation)   1 57 24.62
17
34
15266 III Powers   4 131 63.12
20
22
34502 ZERO TRIPLET   12 84 16.11
17
14
1838 Ticket to Ride   91 41.94
17
34
15621 Tie the Rope   4 93 22.31
17
14
22441 Black and White Tiles   -1 33 22.94
13
9
2038 Rectangle Tiling   2 116 41.61
1
1
22530 Tinku got a job   21 20.92
13165 Totient in permutation (easy)   11 309 20.77
17
17
13166 Totient in permutation (medium)   21 49.44
17
34
13167 Totient in permutation (hard)   7 11.79
16033 Tip Top Game   17 1769 27.18
2
7
13829 Tjandra 19th birthday present (HARD)   2 36 37.59
39
23
13647 Tjandra 19th birthday (EASY)   1 72 40.58
1
1
21396 Taklu Kuddus   3 107 8.26
30
24
18170 Takeover Wars   1 18 15.49
1
34
2829 Time Limit Exceeded   4 260 21.67
34
34
14821 Traffic Lights   1 51 58.41
17
17
11956 Addicted   57 57.24
35075 Teleporters and Gems   5 55 52.38
17
17
40982 Teleporters and Gems II   4 35 19.52
9
1
13977 Thousands ByteMan March   3 24 34.03
34
34
26955 The Maximize Sum   8 261 24.62
13
14
400 To and Fro   90 23448 55.58
14
7
1161 Tic-Tac-Toe ( I )   20 3383 22.85
12
11
1162 Tic-Tac-Toe ( II )   8 2411 30.37
17
10
34183 Tower of Hanoi Movement - Hard   3 96 27.27
9
1
9034 Help Tohu   12 2317 45.36
5
23
9050 Tohu again   2 865 29.24
17
12
1472 Tom and Jerry   67 38.12
1
1
5103 Top 10   43 15.98

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