list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
14330 Power of Phi(medium)   1 158 31.10
17
26
14542 Pythagorean triples (medium)   2 131 18.41
9
26
14961 Maximum Girth   625 55.18
17
26
15164 primes triangle (I)   3 67 7.26
34
26
15242 Betos Quest   1 26 29.44
34
26
15864 SUMMING   2 8 9.90
17
26
16214 Pabbu-pneumonia   3 52 22.68
17
26
16240 Easy Password   41 5.09
17
26
16267 Real Numbers   2 171 17.91
26
26
16275 On the side of the road   2 84 21.79
34
26
16483 Lucky Cities   2 31 17.35
17
26
16549 Query on a tree VI   10 509 19.31
36
26
16686 Some Sums   3 22 26.72
34
26
16696 Nadal vs Djokovic   152 28.67
34
26
17946 Mickey Mouse Magic Trick v6   2 39 31.41
9
26
18183 Drunk Game   3 38 45.90
26
26
18249 Gopu and the Grid Problem   2 78 33.78
12
26
18286 Gopu and Fishes   2 104 46.47
13
26
18510 Ross generates Data   4 97 17.60
34
26
18522 Tours   22 13.10
42
26
18829 Special Set   8 117 27.36
11
26
18857 Gopi and Sandwich   2 276 43.98
17
26
19145 Digo Needs Guns   -1 189 52.27
26
26
19146 Glorious Gamblers   -1 136 56.86
23
26
19320 Draw Skyline Graph   2 103 19.51
31
26
19334 Khaolin Temple   2 23 29.69
26
26
19545 Black and White beads   1 237 33.70
26
26
19561 New Binary   7 294 42.61
13
26
20846 Interesting Selection   5 123 43.21
13
26
20926 Special Numbers (Reverse and Add)   1 21 12.83
26
26
20972 Alia and Cryptography   3 101 43.86
30
26
21172 Erdos et al   3 138 36.60
26
26
21354 String Problem   4 27 32.69
26
26
21858 Christmas is coming   2 27 13.38
42
26
22766 Make Sets   2 26 56.72
9
26
24313 Kule   2 16 20.78
17
26
25001 Red Blue Line Segments   2 260 17.81
28
26
25048 Robot   4 76 24.62
17
26
25337 Eefun is not so Fun   2 155 29.47
5
26
25803 Help BTW   3 127 12.20
17
26
25810 Divisibility Test   10 57 12.93
24
26
25977 Matrix   2 78 35.23
17
26
26214 Pisano Factors   3 23 31.90
26
26
26301 Bits. Exponents and Gcd   4 122 40.70
21
26
26445 Alicias Afternoon Amble   11 186 57.24
20
26
26954 k Alternating Sum   11 73 33.07
23
26
27337 LIS and tree   1 35 29.12
34
26
28459 Grumpy uncle   3 35 37.41
26
26
28461 Efficient managing   3 46 27.86
17
26
30690 Ada and Nucleobase   28 453 43.70
25
26

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