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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5452 Hop Do not Walk   2 148 35.23
17
17
4552 Adding up Triangles   140 35.23
4177 Herding   57 2731 35.22
14
15
10270 Temperature   5 283 35.22
21
21
25942 Ball sum   42 1800 35.19
11
11
2735 Simplify the Railroad System   62 35.19
17
1
6503 Travelling Salesman Again !   92 35.17
25417 You Win!   2 35 35.16
17
17
15609 Spiky Mazes   22 1056 35.12
15
12
10106 Coin Collecting   1 49 35.12
17
50
8496 No Squares Numbers   18 845 35.10
19
15
2423 Minimal Triangulations of Graphs   31 35.09
12108 Linear Garden   78 35.09
34
11373 Coke madness   37 3879 35.07
5
8
4457 Shopping II   3 153 35.05
17
1
13045 Denethors Decryption of Dequeue permutations   1 24 35.05
34
17
8971 LQDNUMBERS   36 35.04
26314 Corn Headache   7 362 35.04
8
9
65 Ball   2 159 35.03
17
23
13120 FizzBuzz Happy 2013   12 35.00
20563 Minion Circle   24 35.00
69 Moulds   2 136 34.99
12
12
78 Marbles   68 8231 34.99
15
13
25773 Bit Difference   19 422 34.96
16
20
382 Decorate the wall   216 34.95
1
17
5163 Tower of Vientiane   105 34.94
9070 Lightning Conductor   3 688 34.93
9
17
2883 Widget Factory   2 168 34.93
26
26
11580 A Famous Game   409 34.93
28
28
13046 The Glittering Caves of Aglarond   6 919 34.88
5
12
10394 Buying Apples!   73 5617 34.86
12
14
1843 Leonardo Notebook   3 382 34.85
17
34
15557 Partition the sticks   4 110 34.84
23
17
16211 Boring Factorials   34 1915 34.84
12
17
15506 Helping Igor   5 102 34.84
15
12
14175 Power Factor Sum Sum (hard)   5 44 34.82
26
26
7212 Find String Roots   39 2181 34.82
12
15
16410 Organizator   80 34.82
7561 Lexicographic position   1 36 34.81
42
26
11521 Dominant Strings   78 34.81
33048 Find Linear Recurrence   4 24 34.80
42
50
7100 Back To The Polygon   88 34.80
10931 Online Bridge Searching   5 109 34.79
34
34
4361 Connected Points   13 34.78
10571 Soccer Challenge   30 34.78
14839 Boxdropper   21 34.78
17
17
18521 Fortunate Wheels   7 34.78
10500 Haybale stacking   24 4042 34.76
9
14
16277 Little Red-Cap   4 225 34.75
24
24
15961 MAXSET   1 48 34.74
17
17

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