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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1673 Ambitious Manager   5 460 36.49
21
17
2059 Robotic Sort   5 624 31.50
28
26
2128 K-In-A-Row   5 437 33.56
13
9
2174 Drop the Triples   5 116 29.73
21
24
2178 He is offside!   5 8348 50.10
3
4
2666 Query on a tree IV   5 673 13.71
38
34
2714 Cow Cars   5 646 37.41
14
17
2737 Perfect Rhyme   5 331 18.56
27
26
2816 Common Subsequences   5 217 28.61
26
34
2853 Decode the Strings   5 425 39.68
15
17
3882 Cijevi   5 257 37.59
30
14
4198 Lego   5 174 25.31
24
22
4681 Twice   5 282 20.97
24
27
4988 Madrids One Way Streets   5 196 28.68
15
15
5240 Area of a Garden   5 1686 47.05
4
9
5465 Deliver pizza   5 403 22.81
21
15
5979 Yet Another Permutations Problem   5 1351 49.49
7
15
6988 Beer Machines   5 32 18.72
43
37
7002 Buildings   5 75 37.35
21
30
7035 The Embarrassed Cryptographer   5 336 31.43
13
13
7210 Draw Mountains   5 329 43.83
17
6
7231 Homework   5 222 21.54
17
26
7232 Inversion Sort   5 152 17.93
32
23
7296 Trees Again   5 166 50.53
21
30
7380 Factorial challenge   5 340 31.45
14
26
7488 LCM GCD Love   5 182 19.03
12
6
7600 Milk Trading   5 181 30.18
1
28
7826 Tree Isomorphism   5 501 22.36
19
26
7947 Almost square factorisation   5 120 51.97
8
11
8591 Prime Permutations   5 104 31.01
28
23
8758 Cover the string   5 221 23.53
13
17
9587 The Prime conjecture   5 569 34.34
9
9
9644 Imperialism   5 172 30.50
8
14
10270 Temperature   5 200 31.81
21
21
10515 K12-Combinations   5 410 27.97
5
17
10547 Delivery Route   5 50 19.73
34
34
10649 Mirror Number   5 162 20.91
13
30
10711 VUK   5 154 56.35
20
23
11103 PrimeFactorofLCM   5 548 25.50
17
17
11321 G-One Sort   5 773 38.08
13
17
11469 Balanced Cow Subsets   5 332 22.59
37
34
11472 Amazing Maze   5 261 29.01
17
26
11477 Meeting For Party   5 479 27.97
17
12
11844 Binary Sequence of Prime Number   5 219 21.61
34
28
12012 grace marks   5 224 22.86
21
21
12030 Blackout   5 371 44.52
20
15
12076 Longest Common Subsequence   5 119 4.20
50
50
12241 Classification from ErdÅ‘s and Selfridge   5 27 17.71
28
28
12304 Smallest Inverse Sum of Divisors   5 84 28.09
17
24
12726 XOR Game   5 532 43.87
11
13

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