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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
203 Potholers   22 2260 26.47
16
12
10 Complicated Expressions   11 1544 32.17
16
16
5970 Finding Primes   22 1330 27.87
16
15
26575 Grand Reward   9 430 58.77
16
8
30919 Sabbir and gcd problem   17 301 22.03
16
16
6256 Inversion Count   532 16985 31.62
16
18
7208 Black or White   58 1438 43.45
16
19
4033 Phone List   151 6935 31.50
16
14
4103 Extend to Palindrome   40 2352 29.67
16
17
10366 Play with Dates   9 1412 38.47
16
6
10790 G-One Numbers   36 2132 48.19
16
19
17725 Bad XOR   49 1034 23.74
16
22
36199 Subset with all Digits   15 222 32.98
16
20
3408 DNA Sequences   47 1982 26.18
16
20
15562 Find Lexicographically Smallest Permutation   13 353 40.31
16
13
15736 Breaking String   17 709 37.87
16
28
7386 Activities   62 1422 25.50
16
19
11578 A Famous City   11 769 30.92
16
21
12262 Mirror Strings !!!   9 911 33.27
16
17
5732 Paradox   42 1220 27.88
16
19
297 Aggressive cows   1060 41928 36.08
16
23
8985 Line up   19 392 51.11
16
17
23938 Save the Scofield !!   17 272 31.88
17
19
9652 Robots on a grid   21 847 19.50
17
13
5832 AND Rounds   51 1692 24.82
17
20
13780 Audition   18 641 23.97
17
17
15259 Large Knapsack   46 2237 25.91
17
17
30500 THE HONEYCOMB MAZE   16 634 27.30
17
15
8217 XOR Maximization   47 1655 22.84
17
28
4549 Adding Sevens   19 1922 33.13
17
6
345 Mixtures   255 8827 36.38
17
21
15 The Shortest Path   156 7516 24.09
17
12
10381 Search in the dictionary!   34 1377 25.95
17
11
709 The day of the competitors   38 1549 28.85
17
27
338 Roads   37 1382 23.87
17
22
3749 Subset Sums   74 4035 26.33
17
20
12 The Game of Master-Mind   1 748 47.58
17
17
19 The Bytelandian Cryptographer (Act III)   1 128 37.80
17
26
36 Secret Code   6 541 36.47
17
17
37 The Proper Key   1 135 15.43
17
17
38 Labyrinth   97 5294 25.76
17
16
44 Substitution Cipher   2 322 13.52
17
17
49 Hares and Foxes   1 107 7.83
17
26
57 Supernumbers in a permutation   22 1054 32.61
17
19
59 Bytelandian Information Agency   2 406 19.39
17
23
62 The Imp   1 289 30.38
17
23
65 Ball   2 150 35.06
17
23
77 New bricks disorder   1 283 37.72
17
17
82 Easy Problem   4 491 34.72
17
9
83 Bundling   1 49 38.85
17
17

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