list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
33019 Catering Contracts   7 86 33.49
23
27
34376 Difference One Swaps   7 72 48.54
13
17
34484 Candy pair   7 60 42.17
15
22
34549 Mysteriousness of a Logical Expression   7 61 10.49
28
23
34575 A New Task for Ibrahim   7 36 53.33
4
28
34615 Sharmeen Loves Substring [ HARD ]   7 69 33.54
14
17
34705 Secret Recipe   7 145 38.48
13
11
34736 Beautiful Girl   7 144 41.83
14
12
34864 Large Sum   7 193 17.59
13
13
35154 Coder Or NonCoder   7 260 43.44
6
8
35301 Evaluate Escape Character   7 15 40.00
9
17
35672 Try to learn properly   7 44 15.81
21
21
36563 Hard Fibonacci   7 86 23.86
20
21
36712 Trailing digits   7 61 12.37
13
13
38331 Comet Number   7 75 31.70
7
15
39786 Selling Greeting Cards   7 87 24.36
11
12
40084 Just Primes II   7 21 35.71
34
30
40459 The triangle of Pascal modulo 2   7 38 45.36
22
20
3 Substring Check (Bug Funny)   8 1064 7.66
42
16
17 The Bytelandian Cryptographer (Act I)   8 1344 41.90
15
26
56 Dyzio   8 1207 31.46
11
14
402 Hike on a Graph   8 761 40.19
15
19
839 Optimal Marks   8 791 24.35
28
34
1459 The Secret of an Aerolite   8 259 43.46
24
26
2005 Minus Operation   8 304 33.25
30
30
2320 Manhattan   8 689 32.21
20
34
2414 Calculate The Cost   8 336 22.26
28
17
2450 Counting Rabbits   8 1212 34.02
10
12
2817 Distinct Increasing Subsequences   8 783 24.53
19
26
3184 Game of Lines   8 1299 27.73
14
9
3724 Rainbow Ride   8 477 36.12
19
19
3937 Wooden Sticks   8 673 36.85
21
26
3953 Paid Roads   8 249 26.75
19
26
3975 Most Servings Meal   8 349 26.33
28
28
3977 Police Query   8 291 17.08
27
30
4454 Brackets II   8 411 35.91
26
24
4941 Integer Factorization (20 digits)   8 550 55.87
34
30
4948 Integer Factorization (29 digits)   8 100 15.84
40
34
4993 Traveling Salesman   8 1034 37.09
14
2
5151 Alice’s Cube   8 501 28.99
24
21
5468 Going to school   8 314 35.88
15
34
6236 Matches   8 449 21.93
26
7
6717 Two Paths   8 212 17.29
34
36
7586 Number of Palindromes   8 1278 46.10
13
14
7683 Powered and Squared   8 710 27.13
19
16
7734 Twist and whirl - want to cheat   8 229 45.06
24
17
8139 Chairs   8 545 37.67
12
20
8351 KOSARK   8 841 42.62
12
5
8456 PRIMITIVEROOTS   8 362 46.72
8
20
9103 Special Numbers   8 753 30.05
13
13

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