list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1022 Angels and Devils   6 675 31.13
26
25
14697 Loop Expectation   11 675 49.41
14
22
3937 Wooden Sticks   9 681 36.97
23
28
24191 Eagle and Dogs   18 681 18.86
21
28
9070 Lightning Conductor   3 685 34.85
9
17
18202 HUGE GCD   17 687 33.32
14
13
26054 BMW   21 689 16.39
14
14
224 Vonny and her dominos   6 692 51.85
8
8
13105 DNA   5 692 33.58
11
24
15849 Find the Treasure   11 694 23.69
12
10
5301 Query Problem   7 695 37.33
16
22
4053 Card Sorting   26 696 43.66
22
27
220 Relevant Phrases of Annihilation   698 23.25
26
26
25893 Longest Perfect Increasing Subsequence   39 701 39.65
8
12
2320 Manhattan   9 703 32.39
20
34
6828 Lineup   7 704 32.08
11
9
15637 Mr Youngs Picture Permutations   1 707 43.03
17
17
6322 The hunt for Gollum   18 710 23.02
25
16
286 Selfish Cities   1 711 39.03
31
31
10240 Circleland   4 713 31.90
13
17
403 Sort fractions   6 714 33.12
9
21
6695 E - Publish of Perish   1 714 39.98
1697 Ohgas' Fortune   4 715 64.53
9
4
5978 Frequent Prime Ranges   10 717 28.80
14
14
7683 Powered and Squared   8 717 27.21
19
16
31052 PLAYGAME   6 717 42.84
3
4
4908 Run-Length Mathematics   6 721 41.17
13
1
380 Bullshit Bingo   722 33.74
12260 Devlali Numbers   13 726 37.85
20
14
19144 Digo plays with Numbers   9 726 40.73
9
11
98 Dance Floor   3 727 40.34
12
12
8442 Problem 3   4 728 54.44
4
12
3639 Lucky Numbers   7 733 34.15
13
9
7104 Feanor The Elf   -1 733 40.24
12
12
1031 Up Subsequence   2 734 32.66
15
10
15620 Postering   16 734 33.96
16
21
3881 Majstor   1 735 53.98
4
4
8495 Maximum Subset of Array   7 735 27.80
19
17
7405 Delicious Pancakes   1 736 27.06
11
11
2059 Robotic Sort   5 740 33.19
28
26
25784 Bubble Sort   10 742 21.44
16
17
11401 Bazinga!   18 743 22.68
18
19
26914 Collecting Mango   17 743 18.76
18
23
2666 Query on a tree IV   4 746 13.54
38
34
4465 The Ant   17 746 25.99
20
15
6556 N DIV PHI_N   14 749 38.38
5
26
2525 Encoding   3 752 29.15
12
12
300 Cable TV Network   2 753 37.77
24
30
10334 SOLDIERS   7 755 28.51
8
8
9012 Maximum Self-Matching   31 757 46.82
24
29

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