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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
66 Cross-country   38 4054 64.52
11
12
176 Sum of one-sequence   5 664 33.64
11
27
3544 Binary Search Tree   6 584 20.58
11
20
6172 OAE   6 1150 41.72
11
27
6828 Lineup   7 690 32.24
11
9
7405 Delicious Pancakes   1 731 27.05
11
11
8917 How Many Plusses   7 174 31.76
11
14
9494 Just Add It   75 6196 47.90
11
10
11300 Fun with numbers   4 293 35.55
11
17
12726 XOR Game   5 532 43.87
11
13
13105 DNA   5 624 36.69
11
24
14138 Amazing Factor Sequence   37 2314 37.02
11
11
16034 Minimum Number   5 491 16.05
11
1
17113 Finding the Tesserect   13 897 37.12
11
16
17309 Operation Bits   1 412 58.27
11
11
18457 Very Friends   6 241 27.70
11
30
18662 Product of factorials (again)   3 75 35.94
11
24
18878 Topper Rama Rao   21 1001 48.52
11
21
19174 Khairy and Gold Alloys   7 142 46.91
11
11
19291 Structures   4 132 28.17
11
17
20654 Interesting Subset   5 93 23.38
11
14
20985 Archipelago   6 103 62.50
11
4
25214 Ohani And The Game   77 20.19
11
8
26695 Atul and Aastha Chronicles 2   137 36.67
11
9
26743 Wonowon   6 139 67.02
11
11
32879 Mahammad and strings   3 83 10.45
11
9
34622 NICE SEQUENCES   16 140 51.97
11
13
34623 Jeremías y sus loros   4 261 68.67
11
15
35381 VALENTINE   2 36 27.27
11
14
40667 Ambitious XOXO   5 35 46.15
11
14
2006 Load Balancing   19 1886 47.37
11
19
6691 Picking Up Chicks   29 2182 32.11
11
18
28306 Ada and Queue   28 2253 25.65
11
9
7975 Tri graphs   86 4825 29.07
11
10
10582 subarrays   215 9238 34.31
11
13
16 Sphere in a tetrahedron   12 3475 56.50
11
16
739 The Moronic Cowmpouter   19 3038 50.57
11
15
15376 Running Median   15 1117 26.10
11
9
4942 Integer Factorization (15 digits)   45 3363 32.29
11
11
9650 Mega Inversions   12 587 43.13
11
18
14543 Range Sum   26 953 38.32
11
12
16554 Linearian Colony   12 845 42.72
11
12
346 Bytelandian gold coins   541 25550 25.11
11
12
13643 BATMAN3   9 910 41.61
11
12
18937 Touch of Venom   21 1399 23.24
11
13
11516 VALIDATE THE MAZE   63 3034 32.05
11
8
91 Two squares or not two squares   79 5997 24.55
11
14
7741 Sequence   7 802 30.25
11
23
9119 Indiana Jones and the lost Soccer Cup   8 376 29.04
11
13
9340 Arbitrage   35 1773 39.07
11
17

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