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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
17002 Psycho Function   3 73 36.99
17
13
17143 Make Psycho   2 224 24.94
34
9
16030 Psycho   13 831 20.55
10
11
19795 Psycho34 (easy)   7 55 22.27
27
17
1477 Play with a Tree   88 14.68
1478 The Easiest Problem   68 8.92
1479 The GbAaY Kingdom   1 125 19.23
28
39
1480 Let us count 1 2 3   1 72 14.70
1
34
1482 A short vacation in Disneyland   5 225 14.62
31
24
1483 Colorful Lights Party   13 10.84
1484 Search in XML   1 12 2.45
17
17
1487 Query on a tree III   548 17.57
1435 Vertex Cover   128 4058 34.11
15
18
1436 Is it a tree   337 20612 35.22
10
10
1437 Longest path in a tree   406 19470 39.12
14
15
22784 Pythagorean Triple Counting   4 31 54.49
30
17
11736 Prime Time   25 2156 48.48
11
12
15165 primes triangle (II)   2 18 31.16
39
17
16179 Platinum Relic!   1 68 22.62
6
6
15164 primes triangle (I)   3 67 7.26
34
26
9255 Publication   3 38 61.63
23
17
15215 David and his Obsession   5 426 41.32
12
9
10186 Divisor Digits   6 1282 30.89
8
12
11560 A Summatory   14 1624 25.92
5
4
11564 E 23 Stairs pattern   1 137 39.39
17
23
11909 C You and Me   4 90 45.69
21
21
13114 SQL Queries   2 11 45.16
13116 Dividing Xorland   1 27 45.45
17
9
13117 White Hats   9 614 37.51
4
14
13118 The Rook and The Rookette   30 25.00
17
17
20931 Square-Free Product (Hard)   2 58 35.98
17
21
2662 Put a Point in a Hyperspace   17 11.06
17128 Putnik   2 94 48.99
9
17
2132 Puzzle   85 32.11
9511 24-Puzzle   23 23.14
9967 Playing with Words   2 37 32.99
34
26
26368 Power and Mod   4 251 18.99
20
20
6893 Power Sums   2 104 56.91
26
28
6288 Treeramids   15 1089 51.84
20
17
9137 Pyramid Sums   92 34.78
34
17
9138 Pyramid Sums 2   2 106 33.85
23
34
14542 Pythagorean triples (medium)   2 131 18.41
9
26
19913 Counting Pythagorean Triples   3 16 14.23
26
42
9694 Quelling Blade   5 33.33
37388 Balls and Queries   9 53 42.11
7
11
6041 Mountain Walking   3 475 42.56
9
1
6042 Another Box Problem   10 833 49.88
6
17
6043 The Game   13 937 39.49
3
19
6044 Minimum Diameter Circle   1 437 27.45
34
42
1706 Queens, Knights and Pawns   4 842 33.13
17
9

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