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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
27103 What Really Happened on Mars?   7 50.00
32950 Ada and Plants 2   4 63 50.00
17
17
34063 Chiaki With Intervals (Easy)   9 50.00
15429 Counting Ids   15 1899 50.02
5
5
6731 Coeficientes   2 1253 50.05
10
9
339 Recursive Sequence   75 3613 50.08
20
17
13166 Totient in permutation (medium)   17 50.10
2178 He is offside!   5 8348 50.10
3
4
1876 Dragon Curves   2 174 50.12
1
17
30692 Ada and Rain II   3 115 50.17
12
23
15454 How to Handle the Fans   39 1508 50.26
12
11
15555 Check the coprimeness   23 3224 50.26
3
5
10293 FANCY NUMBERS   18 1714 50.28
7
9
15433 Greedy Walking   12 408 50.28
13
16
2716 Maximal Quadrilateral Area   -1 6217 50.28
3
8
3374 Scavenger Hunt   10 1362 50.31
9
10
1108 Card Trick   68 2175 50.37
21
24
7668 Pebble Solver   15 1995 50.40
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
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 1723 50.54
3
8
100 Tower of Babylon   44 3052 50.55
19
21
739 The Moronic Cowmpouter   19 3038 50.57
11
15
13042 Gandalf vs the Balrog   -2 360 50.59
1
1
7015 Party   -1 999 50.60
3
15
31412 ShaatChara   3 67 50.61
14
21
18941 True Friends   29 936 50.66
12
12
10377 project groups   128 50.69
34
34
1881 Instruction Decoder   2 664 50.71
17
17
368 Cobbled streets   98 5375 50.76
13
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
26773 Secret Key   3 28 50.85
17
12
25475 Perfect packing   3 8 50.86
34
39
5637 LL and ErBao   5 50.88
21171 Fractal domino   14 50.88
4564 Chop Ahoy! Revisited!   55 2940 50.88
12
14
11840 Sum of Squares with Segment Tree   53 2015 50.91
23
18
8985 Line up   19 388 50.93
16
17
26180 Folding Stick   1 24 50.94
17
17
6709 Multiplying by Rotation   1 88 51.00
5016 Guernica   19 51.06
32579 Ada and Expenses   22 352 51.10
10
12
9543 Dynamic Congruence Equation System   10 51.11
50
50

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