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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7558 D - Alphabetomials   10 50.00
9725 Queens on a Board   2 51 50.00
34
34
10105 Alphabet Soup   28 50.00
15733 Hall of Fountains   3 17 50.00
17
23
16250 Dilemma   2 69 50.00
12
17
21135 Distinct Viewpoints   2 50.00
34
1
25452 Teaching Hazard   7 50.00
27103 What Really Happened on Mars?   7 50.00
34063 Chiaki With Intervals (Easy)   9 50.00
9104 Match the words   3 410 50.04
9
17
6731 Coeficientes   2 1253 50.05
10
9
13166 Totient in permutation (medium)   17 50.10
2178 He is offside!   5 8355 50.10
3
4
339 Recursive Sequence   75 3633 50.12
20
17
1876 Dragon Curves   2 174 50.12
1
17
10293 FANCY NUMBERS   18 1715 50.26
7
9
15555 Check the coprimeness   23 3226 50.28
3
5
2716 Maximal Quadrilateral Area   -1 6221 50.28
3
8
15454 How to Handle the Fans   39 1510 50.28
12
11
32950 Ada and Plants 2   4 64 50.30
17
17
3374 Scavenger Hunt   10 1363 50.33
9
10
1108 Card Trick   68 2184 50.37
21
24
7668 Pebble Solver   15 1995 50.38
8
11
4157 Domino   4 54 50.42
42
42
4160 A1 Road   86 50.46
18056 Robert Langdon & Cipher   2 563 50.46
1
13
30692 Ada and Rain II   3 117 50.50
12
23
10675 GENIJALAC   46 50.52
15149 play with prime numbers (III)(hard )   6 28 50.53
34
28
7296 Trees Again   5 166 50.53
21
30
359 Alpha Centauri Tennis   2 1726 50.53
3
8
100 Tower of Babylon   44 3055 50.53
19
21
739 The Moronic Cowmpouter   19 3041 50.59
11
15
13042 Gandalf vs the Balrog   -2 360 50.59
1
1
31412 ShaatChara   3 67 50.61
14
21
7015 Party   -1 1002 50.66
3
15
10377 project groups   128 50.69
34
34
1881 Instruction Decoder   2 664 50.71
17
17
368 Cobbled streets   98 5376 50.76
13
12
18941 True Friends   29 949 50.78
12
12
26773 Secret Key   3 29 50.82
17
12
26978 Hofstadter–Conway 10000 dollar sequence   1 8 50.82
17
34
9097 Derangements HARD   1 81 50.83
1
17
5143 Binary Integer   49 50.85
9445 Attack of the Clones   26 50.85
4564 Chop Ahoy! Revisited!   55 2940 50.88
12
14
5637 LL and ErBao   5 50.88
21171 Fractal domino   14 50.88
11840 Sum of Squares with Segment Tree   53 2019 50.91
23
18
28784 IIITM Student   6 86 50.92
13
15

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