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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
20980 Chicken Joggers   0 0.00
20983 Hogwarts   0 0.00
21135 Distinct Viewpoints   0 0.00
22320 Polynomial Drawing   0 0.00
1797 Cardsharper   0 0.00
3647 Moebius   0 0.00
4476 Playfair Cracker   0 0.00
15381 Cut The Rope   0 0.00
19687 Symmetric matrix 2   0 0.00
20174 Counting Divisors (cube)   0 0.00
20986 Hypertubes   0 0.00
22177 RajaRani   1 0 0.00
22316 pK   0 0.00
23806 Yossy, The King of IRYUDAT   0 0.00
50
50
231 The Zebra Crossing   1 0.37
13098 Yet Another Conic Section Problem   1 0.60
23133 World Cup 2015   2 0.65
17
17
10799 Happiness at the lowest cost   2 0.82
1457 Help Blue Mary Please! (Act I)   10 1.23
177 AB-words   13 1.24
24730 Magical colorful cats (hard)   1 1 1.39
34
34
9190 Perfect Maze   25 1.44
25024 Nth Prime   2 1.53
9967 Playing with Words   3 1.55
22037 Shortest Paths   1 1.75
23930 Overlapping Words   1 1.89
1484 Search in XML   9 1.96
9000 Bob and his new kite factory   2 2.02
17320 Guess The Number With Lies v3   1 2.27
5157 Game Simulator   2 2.35
2661 Illumination   4 2.36
23876 Board Score   1 2.53
22675 A conjecture of Paul ErdÅ‘s (hard)   1 1 2.56
34
34
15864 SUMMING   2 2.70
17
34
23351 Hiccup And Lucky Dragons   2 2.82
17
17
2000 Boxes (Hard)   13 2.87
850 Soccer Choreography   3 2.99
14830 The Codefather   3 3.06
1
1
12076 Longest Common Subsequence   1 18 3.07
50
50
2009 Cryptography   70 3.33
4948 Integer Factorization (29 digits)   7 3.55
944 Free Tour   16 3.71
15270 A plus B   2 3.85
12579 Search Insert Delete   14 4.06
34
1
3902 Fight with functions   16 4.11
12916 MMM   5 4.39
7490 Biology   5 4.42
16809 Estimation   2 47 4.79
30
14
2019 The Rolling Ball   2 4.88
22086 Prime Power Test   2 5.06

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