list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
34812 Kth Power Summation   6 54 17.19
25
19
34908 Cheesy line   6 60 34.10
5
13
35028 Long Tiling   6 40 21.45
21
21
35140 Count Pairs   6 55 25.90
17
21
35147 Bermuda Love Triangle   6 43 57.43
13
15
35196 Pandas are the best Lovers   6 23 47.19
23
23
35435 love and traffic   6 47 49.02
5
5
36671 Bipartite Permutation (Hard)   6 51 17.91
32
34
36718 Fashionable self-describing numbers   6 51 17.33
30
34
38602 Unique Sequence   6 56 44.23
6
8
108 Decoding Morse Sequences   7 814 23.85
24
17
120 Solitaire   7 349 23.37
26
16
388 Menu   7 347 18.89
25
16
870 Basically Speaking   7 1434 43.70
6
6
1787 Run Length Encoding   7 855 19.60
15
4
2728 Breaking in   7 281 26.67
30
19
3379 String Shuffle   7 389 65.79
17
14
3638 Word Counting   7 2620 21.04
10
6
3639 Lucky Numbers   7 729 34.11
13
9
3791 Street   7 662 51.56
9
12
3866 Finding Palindromes   7 241 19.29
19
23
3924 Filchs Dilemna   7 520 65.33
9
17
3928 Counting Digits   7 1092 44.14
22
26
3974 Another Tree Problem   7 643 32.56
17
23
3979 Whirligig number   7 1019 37.93
10
15
3982 String problem   7 604 48.95
9
23
4038 Counting The Way of Bracket Replacement   7 435 38.74
26
21
4273 Train TimeTable   7 422 33.97
14
8
4483 Roads Repair   7 177 32.49
20
23
4485 MobiZone vs VinaGone   7 317 33.14
17
31
5091 Feline Olympics - Mouseball   7 593 39.14
7
15
5107 Playing with Marbles   7 786 23.60
12
8
6290 Robbery 2   7 799 32.79
17
13
6489 Finding the Kth Prime (Hard)   7 76 9.73
42
36
6517 Farmer Sepp   7 322 21.75
28
26
6828 Lineup   7 690 32.24
11
9
7132 Headshot   7 1389 37.18
8
14
7264 Digital LED Number   7 531 28.81
14
4
7422 Escape from Jail Again   7 428 41.88
30
32
7741 Sequence   7 802 30.25
11
23
7976 Sum the Square   7 534 25.79
12
15
8495 Maximum Subset of Array   7 729 27.80
19
17
8791 Dynamic LCA   7 435 28.56
27
25
8796 Cubist Artwork   7 643 68.37
7
9
8916 Villages by the River   7 268 23.71
12
19
8917 How Many Plusses   7 174 31.76
11
14
9458 Ghosts having fun   7 200 11.60
16
23
9570 Counting binary strings   7 338 53.04
17
24
10145 Birthday Cake   7 257 36.82
12
12
10522 K12-OE Numbers   7 228 49.15
21
21

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