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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
15148 play with prime numbers (II)   5 33 20.45
28
23
15215 David and his Obsession   5 428 41.33
12
9
15439 Zombie Outbreak   5 72 22.31
21
21
15506 Helping Igor   5 99 36.17
15
12
15847 Equalize the Sectors   5 158 59.90
10
27
16034 Minimum Number   5 496 16.12
11
1
16134 Save the cows!   5 61 13.18
1
6
16282 Horace and his primes   5 260 40.83
27
27
16283 Treasure Island   5 133 24.69
17
15
16300 Playing with isosceles triangle   5 319 27.16
13
21
16409 Lopov   5 315 28.59
11
14
17406 Cheating a Boolean Tree   5 121 35.40
23
15
17559 Two Game   5 324 37.07
1
39
17627 Family members   5 431 60.15
9
15
17660 The Bridge to Home   5 121 35.82
23
34
17707 Constructible Regular Polygons   5 509 55.95
8
8
17731 Buying Integers   5 110 40.61
8
11
18917 Dukkar and Pikka   5 309 56.28
7
23
18932 Sum of primes (reverse mode)   5 23 17.39
45
45
18939 K-th smallest number   5 216 13.88
13
17
19224 Lights, Snakes and Cages   5 90 16.33
24
34
19957 GETTING AN AP   5 492 36.85
8
12
19975 Amazing Prime Sequence (hard)   5 92 43.63
39
45
20170 Coloring Segments   5 89 20.42
31
34
20654 Interesting Subset   5 96 23.69
11
14
20846 Interesting Selection   5 126 43.48
13
26
20970 Alia and Handsome Devil   5 394 30.47
17
12
20979 Good   5 84 41.34
17
27
21353 Avantgarde and Doughnut   5 21 47.76
23
31
21360 Suffix Equal Prefix   5 542 29.35
13
13
21414 Count The Indexes 2   5 41 17.99
37
24
21456 I Ken Bit Yu   5 117 30.90
9
21
21457 House Fence   5 156 28.14
9
21
21525 Red John is Back   5 317 53.56
6
17
21964 Golf Bot   5 85 36.64
34
27
22303 Mau-Mau   5 76 16.53
36
17
22531 Yo Yo Jagdish Singh   5 115 44.29
12
12
22535 String Play   5 46 42.98
21
21
22549 Divisors of factorial (extreme)   5 91 25.87
34
36
22553 Stack Overflow   5 133 26.68
12
10
23536 Front   5 160 25.75
10
15
23881 God of Nim   5 204 47.87
1
20
23969 Helping Jar Jar Binks   5 81 22.03
27
30
24772 Manipulate Dwarfs   5 140 30.71
20
20
25015 Subsequences with modulo   5 62 21.03
34
34
25283 ChickenLove   5 189 18.50
15
20
25867 Divisible Fibonacci Numbers   5 208 25.70
12
12
25959 Next Lexicographically Greater Substring   5 45 21.51
26
26
25962 Essay   5 70 32.50
10
17
26772 Lets Be An Anagrammatist   5 35 12.60
26
21

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