list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10270 Temperature   5 200 31.77
21
21
10515 K12-Combinations   5 410 27.97
5
17
10547 Delivery Route   5 50 19.73
34
34
10649 Mirror Number   5 167 21.23
13
30
10711 VUK   5 181 52.82
20
23
11103 PrimeFactorofLCM   5 556 25.63
17
17
11321 G-One Sort   5 774 37.90
13
17
11469 Balanced Cow Subsets   5 335 22.70
37
34
11472 Amazing Maze   5 261 29.01
17
26
11477 Meeting For Party   5 479 27.97
17
12
11844 Binary Sequence of Prime Number   5 221 21.46
34
28
12012 grace marks   5 224 22.86
21
21
12030 Blackout   5 371 44.52
20
15
12076 Longest Common Subsequence   5 119 4.19
50
50
12241 Classification from ErdÅ‘s and Selfridge   5 27 17.71
28
28
12304 Smallest Inverse Sum of Divisors   5 84 27.97
17
24
12726 XOR Game   5 533 43.87
11
13
12746 Colorful Circle (EASY)   5 463 20.68
28
23
12943 Counting   5 79 47.71
8
30
13096 Amr Samir   5 914 31.04
9
10
13105 DNA   5 639 36.87
11
24
13405 MayanCalendar   5 121 54.45
8
8
13838 Mosty! Find Gn   5 556 49.54
9
24
14175 Power Factor Sum Sum (hard)   5 39 36.97
26
26
14823 Advanced Battleships   5 49 13.42
23
23
15215 David and his Obsession   5 426 41.32
12
9
15439 Zombie Outbreak   5 68 25.37
21
21
15506 Helping Igor   5 97 36.04
15
12
15847 Equalize the Sectors   5 155 60.25
10
27
16034 Minimum Number   5 491 16.05
11
1
16134 Save the cows!   5 59 14.08
1
6
16282 Horace and his primes   5 257 40.73
27
27
16283 Treasure Island   5 131 24.53
17
15
16300 Playing with isosceles triangle   5 313 27.04
13
21
16825 Divisors   5 86 17.54
21
26
17406 Cheating a Boolean Tree   5 111 35.78
23
15
17559 Two Game   5 317 36.97
1
39
17627 Family members   5 425 59.78
9
15
17660 The Bridge to Home   5 115 34.96
23
34
17707 Constructible Regular Polygons   5 500 55.65
8
8
17731 Buying Integers   5 107 40.71
8
11
18932 Sum of primes (reverse mode)   5 21 17.44
45
45
18939 K-th smallest number   5 209 13.84
13
17
19957 GETTING AN AP   5 488 36.75
8
12
19975 Amazing Prime Sequence (hard)   5 81 41.88
39
45
20654 Interesting Subset   5 93 23.38
11
14
20846 Interesting Selection   5 123 43.21
13
26
20970 Alia and Handsome Devil   5 391 30.43
17
12
20979 Good   5 72 42.72
17
27
21104 Jarin Loves New Task   5 43 37.35
17
17

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