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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2124 Last Non-Zero Digit of Factorials   4 476 25.08
26
34
2878 Knights of the Round Table   2 476 20.81
9
17
6041 Mountain Walking   3 476 42.60
9
1
7739 Sound   12 478 33.68
20
17
4155 OTOCI   2 481 45.35
26
34
11477 Meeting For Party   5 482 27.96
17
12
8433 Revenge of the squares (variation)   1 486 49.12
17
17
12612 Path of the righteous man   28 486 36.14
20
22
3724 Rainbow Ride   8 487 35.91
19
19
4555 Einbahnstrasse   2 487 26.49
22
9
1110 Sudoku   4 488 39.02
34
1
15563 Check the string Powers   7 488 28.86
17
17
19957 GETTING AN AP   5 488 36.75
8
12
21690 Power the Power Up   10 488 17.62
17
23
3363 Svada   10 490 28.67
9
15
7336 Mastermind   490 36.17
11601 With a Pit of Death   3 490 29.37
8
11
16034 Minimum Number   5 491 16.04
11
1
26719 Gutibazi   10 491 47.49
3
6
428 Particular Palindromes   5 492 32.00
22
24
32192 SUMMATION   11 493 21.97
7
10
4318 Catch Fish   11 496 32.91
21
26
82 Easy Problem   4 497 34.86
17
9
150 Where to Drink the Plonk?   1 499 34.82
196 Musketeers   2 499 30.34
17
34
741 Steady Cow Assignment   5 499 31.84
20
29
10292 Shell game   -1 500 19.11
35669 Consecutive Letters   7 501 26.79
17
20
7426 Imperial Units   3 502 45.56
3
12
34 Run Away   2 503 21.52
26
34
5151 Alice’s Cube   8 504 28.94
24
21
17707 Constructible Regular Polygons   5 504 55.81
8
8
34011 Jalil Got TLE   12 505 25.63
6
8
10622 DIFERENCIJA   8 506 43.68
21
23
14629 Play with Binary Numbers   4 506 39.31
8
9
21853 Rivals   23 506 33.70
17
24
10446 Sicrano   4 508 23.67
17
13
373 Greedy island   6 510 33.48
26
26
11895 DONALDO   7 510 24.88
11
13
7001 Visible Lattice Points   1 511 28.93
17
34
7 The Bulk!   6 512 15.45
30
24
8284 Weighted Sum   6 512 17.87
9
13
21169 Balanced base-3   7 512 52.05
9
7
8596 Wood, Axe and Grass   4 513 57.55
17
11
10111 Nonnegative Partial Sums   15 513 29.88
19
19
11181 Build the Tower   2 514 41.37
26
26
1774 All Discs Considered   10 515 28.41
26
22
16549 Query on a tree VI   10 517 19.48
36
26
27039 Assembly line   17 518 24.65
17
14
1801 Drink, on Ice   1 519 42.81
9
9

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