list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
18917 Dukkar and Pikka   5 304 56.09
7
23
18932 Sum of primes (reverse mode)   5 21 17.13
45
45
18939 K-th smallest number   5 213 13.87
13
17
19224 Lights, Snakes and Cages   5 85 17.47
24
34
19957 GETTING AN AP   5 488 36.74
8
12
19975 Amazing Prime Sequence (hard)   5 88 43.39
39
45
20170 Coloring Segments   5 88 20.53
31
34
20654 Interesting Subset   5 95 23.45
11
14
20846 Interesting Selection   5 123 43.21
13
26
20970 Alia and Handsome Devil   5 391 30.37
17
12
20979 Good   5 81 42.68
17
27
21353 Avantgarde and Doughnut   5 20 46.77
21
34
21360 Suffix Equal Prefix   5 536 29.23
13
13
21414 Count The Indexes 2   5 41 18.11
37
24
21456 I Ken Bit Yu   5 116 30.65
9
21
21457 House Fence   5 145 27.83
9
21
21525 Red John is Back   5 315 53.58
6
17
21964 Golf Bot   5 82 35.81
34
27
22303 Mau-Mau   5 75 16.67
36
17
22531 Yo Yo Jagdish Singh   5 115 44.29
12
12
22535 String Play   5 46 43.44
21
21
22549 Divisors of factorial (extreme)   5 85 25.84
34
36
22553 Stack Overflow   5 132 26.41
12
10
22561 Roger and tree III   5 26 14.04
27
27
23536 Front   5 156 26.58
10
15
23881 God of Nim   5 198 47.15
1
20
23969 Helping Jar Jar Binks   5 78 21.38
27
30
24772 Manipulate Dwarfs   5 138 30.42
20
20
25015 Subsequences with modulo   5 59 20.90
34
34
25283 ChickenLove   5 188 18.44
15
20
25862 Divisor Game   5 50 21.04
17
17
25867 Divisible Fibonacci Numbers   5 205 25.48
12
12
25962 Essay   5 67 32.19
10
17
26450 Palindromic Primes (Hard)   5 38 25.58
34
30
26772 Lets Be An Anagrammatist   5 33 13.02
26
21
27313 Number of Binary Trees   5 73 44.64
6
17
27497 Binary Protean Number   5 140 44.91
14
15
27520 Laser   5 38 19.88
17
17
28079 Maximum Child Sum   5 97 22.57
30
30
28180 Sanvi Hates Palindrome   5 59 35.10
13
13
28457 Correlations   5 92 29.49
9
13
28601 Village Fair   5 108 18.42
21
24
28653 Urinals   5 11 10.95
26
17
30347 Runner Game   5 258 31.08
6
21
30452 Moumita and Assignments   5 73 13.22
21
21
30499 TWO STRINGS   5 23 29.08
14
14
31036 Ada and Mulberry   5 113 12.62
27
24
31230 TV Schedule   5 80 51.32
9
5
31502 University Homework   5 55 29.16
20
6
31972 Ada and Power   5 62 40.77
17
17

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