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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
122 Voracious Steve   2 275 29.95
23
23
8288 Fast Food Restaurant   2 106 29.95
17
34
13444 Counting Lucky Numbers   3 175 29.95
17
17
23772 Zamena   3 57 29.93
12
17
13753 Amazing Prime Sequence   62 3362 29.93
10
12
22403 Divisors of factorial   71 1985 29.90
14
14
40083 Just Primes   11 124 29.90
15
17
17261 Bank robbery   3 254 29.90
17
21
1693 Coconuts   14 967 29.88
19
29
42488 Minesweeper   49 29.84
1
1
8728 Hierarchy   17 1817 29.84
10
17
3310 Serial Numbers   1 35 29.84
34
17
11274 Lights and Switches   1 60 29.84
17
34
7209 Closest Triplet   2 334 29.83
24
21
8992 A los saltos   39 29.81
26746 Gears   4 44 29.81
21
17
8002 Horrible Queries   399 11162 29.81
19
18
10096 Lights (Extreme)   56 29.80
17
17
3387 Changing Maze   13 626 29.79
19
9
11695 A Summatory (HARD)   6 102 29.79
31
29
7186 Counting Pascal   2 134 29.77
17
17
10589 King   70 29.77
2179 ICPC Scoreboard   1 180 29.76
17
17
18945 Car with powers   11 308 29.73
23
20
4568 Rotating Rings   1 298 29.72
17
17
8184 Bureaucracy   2 571 29.72
6
17
1703 ACM (ACronymMaker)   52 1098 29.71
26
21
17382 Airplane Parking   1 23 29.70
17
1
8791 Dynamic LCA   9 494 29.70
26
24
132 Help R2-D2!   13 771 29.70
19
17
21096 Word Counting 2   3 175 29.70
34
17
25476 Induced favoritism   1 47 29.65
17
34
24 Small factorials   154 51417 29.64
15
9
12563 Halt The War   8 401 29.64
19
19
329 Calls   2 129 29.63
1
17
36534 Heroes   8 29.63
8320 Spreadsheet scrolling   78 29.61
4100 Sum of Vectors   -1 103 29.60
50
34
20673 Count The Indexes   7 253 29.60
17
30
34909 Keyword Finder   105 29.60
6
4
405 Tin Cutter   141 29.59
17
17
12824 Print Big Binary Numbers   6 29.59
4191 Sky Code   13 779 29.59
19
26
27493 Even Frequency   7 72 29.59
21
30
7973 Sometimes, a penalty is good!   5 1207 29.59
6
8
21178 Encryption kit   56 29.58
14834 Foxlings   34 1306 29.56
18
12
34682 Good Elements   11 146 29.56
8
6
10265 Subdivision of the kingdom   40 29.56
18466 A Frightening Evening   1 124 29.53
1
1

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