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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10547 Delivery Route   5 50 19.68
34
34
10649 Mirror Number   5 176 21.53
13
30
10711 VUK   5 182 52.69
20
23
11103 PrimeFactorofLCM   5 571 25.80
17
17
11321 G-One Sort   5 775 37.92
13
17
11472 Amazing Maze   5 261 29.01
17
26
11477 Meeting For Party   5 480 27.98
17
12
11844 Binary Sequence of Prime Number   5 223 21.45
34
28
12012 grace marks   5 224 22.86
21
21
12030 Blackout   5 374 44.59
20
15
12076 Longest Common Subsequence   5 123 4.21
50
50
12241 Classification from ErdÅ‘s and Selfridge   5 27 17.59
28
28
12304 Smallest Inverse Sum of Divisors   5 87 27.88
17
24
12726 XOR Game   5 534 43.74
11
13
12746 Colorful Circle (EASY)   5 463 20.68
28
23
12943 Counting   5 79 47.71
8
30
13096 Amr Samir   5 916 31.08
9
10
13105 DNA   5 641 36.85
11
24
13405 MayanCalendar   5 121 54.45
8
8
13838 Mosty! Find Gn   5 556 49.50
9
24
14175 Power Factor Sum Sum (hard)   5 39 36.97
26
26
14823 Advanced Battleships   5 50 13.53
23
23
14935 Cactus   5 165 19.28
16
14
15143 play with prime numbers (I)   5 32 19.10
23
23
15148 play with prime numbers (II)   5 30 20.18
28
23
15215 David and his Obsession   5 426 41.32
12
9
15439 Zombie Outbreak   5 69 25.74
21
21
15506 Helping Igor   5 98 36.10
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 14.05
1
6
16282 Horace and his primes   5 260 40.90
27
27
16283 Treasure Island   5 131 24.53
17
15
16300 Playing with isosceles triangle   5 313 26.98
13
21
17406 Cheating a Boolean Tree   5 113 35.28
23
15
17559 Two Game   5 317 36.97
1
39
17627 Family members   5 426 59.98
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   5 108 40.83
8
11
18917 Dukkar and Pikka   5 299 56.03
7
23
18932 Sum of primes (reverse mode)   5 21 17.44
45
45
18939 K-th smallest number   5 213 13.91
13
17
19224 Lights, Snakes and Cages   5 85 17.52
24
34
19957 GETTING AN AP   5 488 36.75
8
12
19975 Amazing Prime Sequence (hard)   5 86 43.22
39
45
20170 Coloring Segments   5 88 20.64
31
34
20654 Interesting Subset   5 95 23.50
11
14
20846 Interesting Selection   5 123 43.21
13
26
20970 Alia and Handsome Devil   5 391 30.43
17
12

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