list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8093 Sevenk Love Oimaster   1 517 23.45
26
26
2143 Dependency Problems   4 518 38.91
17
13
1801 Drink, on Ice   1 519 42.81
9
9
6477 Bowling   3 521 28.59
8
11
3763 George   15 522 52.29
19
18
24999 1807   10 522 38.53
15
18
3924 Filchs Dilemna   7 523 65.43
9
17
14887 Good Travels   29 525 29.08
26
24
21360 Suffix Equal Prefix   5 528 29.05
13
13
21692 CURD PRODUCERS   6 528 42.10
15
11
4480 Chaos Strings   14 529 30.04
17
22
1024 Complete Chess Boards   2 530 54.75
17
20
3394 Lagrange’s Four-Square Theorem   4 530 45.99
1
9
15560 Help the old King   15 530 37.34
15
15
1440 Use of Function Arctan   4 533 29.01
5
26
7264 Digital LED Number   7 533 28.87
14
4
12400 Johnnys Empire   1 535 43.36
9
9
12726 XOR Game   5 536 43.81
11
13
14844 All Your Base   12 536 29.96
11
11
15431 Farmer Cream   3 536 53.45
1
6
18297 Problem4   24 536 32.35
18
20
12462 Boggle Scoring   7 537 47.96
5
5
676 Sorting is not easy   9 538 39.70
19
32
7191 Hexagonal Board   6 541 62.11
12
9
371 Boxes   542 35.82
1
26
4987 Goal for Raúl   6 543 29.99
12
12
36 Secret Code   6 546 36.06
17
17
5271 A Coin Game   4 546 31.75
21
30
28604 Sinha and Eggs   6 546 37.19
5
10
12005 Grass Planting   11 547 44.94
29
19
15637 Mr Youngs Picture Permutations   1 547 38.83
17
17
1183 Accomodate the palace   4 548 52.46
17
34
8139 Chairs   8 549 37.65
12
20
7976 Sum the Square   7 550 26.07
12
15
32943 Ada and Unstable Sort   9 550 41.03
5
9
7826 Tree Isomorphism   8 553 22.99
19
28
27321 Increasing numbers   17 554 23.63
13
19
1487 Query on a tree III   556 17.71
1825 Free tour II   1 556 14.23
17
34
13838 Mosty! Find Gn   5 557 49.60
9
24
1723 Bee Maja   3 558 53.42
17
21
28404 Ada and Field   33 558 25.56
21
17
967 Parking Bay   3 560 48.99
12
23
1713 Funny scales   12 560 30.45
17
16
10606 Balanced Numbers   9 563 27.07
23
17
18056 Robert Langdon & Cipher   2 563 50.46
1
13
962 Intergalactic Map   2 564 23.38
19
28
8184 Bureaucracy   2 565 29.64
6
17
16245 Living with Courage   20 569 37.43
10
13
4941 Integer Factorization (20 digits)   8 570 55.63
34
30

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