list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10646 The National Game   2 49 29.77
26
9
10725 String Subsequence   3 72 17.29
26
26
11180 369 Numbers   17 777 12.41
26
24
11181 Build the Tower   2 512 41.29
26
26
11946 Zig-Zag Permutation 2   1 5 39.29
26
34
12004 Cousin Wars   2 32 18.18
26
26
12209 Morenas Candy Shop ( Easy )   3 257 33.31
26
26
12560 External Falling Objects   2 57 39.00
26
17
12609 Different Vectors   3 43 42.17
26
34
12981 Fences   3 31 24.28
26
30
13095 peaks   2 79 32.27
26
26
14175 Power Factor Sum Sum (hard)   5 39 36.97
26
26
14894 Good Celebration   3 24 21.39
26
30
14947 Breaking and Entering   2 24 36.84
26
9
15148 play with prime numbers (II)   4 29 19.94
26
17
15244 Davids Quest   2 43 55.20
26
17
15996 Number Magic II   23 28.35
26
17
16267 Real Numbers   2 171 17.91
26
26
16607 Sweets   3 139 31.36
26
34
18183 Drunk Game   3 38 45.90
26
26
19125 Hexadecimal value of Pi   2 32 56.59
26
34
19145 Digo Needs Guns   -1 189 52.27
26
26
19334 Khaolin Temple   2 23 29.69
26
26
19382 Stock   2 94 32.07
26
34
19545 Black and White beads   1 237 33.70
26
26
19899 Middle Earth   2 46 12.14
26
17
19913 Counting Pythagorean Triples   3 16 14.23
26
42
19985 GCD Extreme (hard)   2 281 35.06
26
34
20173 Counting Divisors (square)   6 434 21.70
26
36
20926 Special Numbers (Reverse and Add)   1 21 12.83
26
26
21172 Erdos et al   3 138 36.60
26
26
21187 Increasing Shortest Path   2 30 18.78
26
34
21354 String Problem   4 27 32.69
26
26
21356 Divisible Number Sum   8 46 18.67
26
23
22366 Badminton Tournament - Easy   7 210 35.38
26
20
23351 Hiccup And Lucky Dragons   15 9.45
26
17
25338 Eefun Plays LOL   4 52 11.57
26
34
26214 Pisano Factors   3 23 31.90
26
26
26772 Lets Be An Anagrammatist   5 33 13.02
26
21
26893 Pristojba   2 16 18.18
26
50
28287 Mayonnaise Arrow   3 32 11.93
26
13
28459 Grumpy uncle   3 35 37.41
26
26
28653 Urinals   5 11 11.19
26
17
28742 Pizza Store and Gasoline   4 60 42.60
26
23
30759 Ada and Species   8 103 24.69
26
31
30922 Ada and Plum   13 143 46.85
26
26
31374 Matrix Multiplication 2K   1 30 32.23
26
9
31973 THE SHORTEST PATH   1 31 30.34
26
17
31979 Ada and Party   3 19 61.47
26
17
32791 Billi and Kaddu   2 37 46.61
26
34

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