list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9 Direct Visibility   4 250 11.95
30
21
18 The Bytelandian Cryptographer (Act II)   4 664 29.93
25
1
82 Easy Problem   4 491 34.74
17
9
86 November Rain   4 292 17.48
21
21
94 Numeral System of the Maya   4 2574 40.50
10
6
245 Square Root   4 564 13.03
20
10
347 Lazy Cows   4 263 28.60
27
21
411 Number of quite different words   4 238 33.43
17
27
413 Word Puzzles   4 364 18.07
30
14
744 Longest Permutation   4 601 19.71
15
19
1110 Sudoku   4 432 38.39
34
1
1183 Accomodate the palace   4 544 52.35
17
34
1440 Use of Function Arctan   4 532 29.04
5
26
1466 Blue Mary Needs Help Again   4 202 20.61
28
34
1697 Ohgas' Fortune   4 706 64.40
9
4
1706 Queens, Knights and Pawns   4 840 33.14
17
9
1707 Reliable Nets   4 340 31.57
28
23
2058 Reaux! Sham! Beaux!   4 659 32.87
23
6
2124 Last Non-Zero Digit of Factorials   4 472 25.01
26
34
2143 Dependency Problems   4 517 39.00
17
13
2528 Monkey Vines   4 775 43.31
17
9
2670 Count Minimum Spanning Trees   4 175 17.13
28
39
2829 Time Limit Exceeded   4 247 21.13
34
34
3109 Longest Common Prefix   4 337 23.70
38
34
3196 Divisibility Relation   4 284 20.96
17
37
3394 Lagrange’s Four-Square Theorem   4 527 45.84
1
9
3579 Disjoint Paths   4 311 20.67
24
27
3723 Snooker   4 442 50.00
12
30
3753 GONDOR   4 378 52.82
13
13
3832 Kruska   4 104 45.79
17
17
3936 Repair City Hall   4 241 50.00
5
1
3973 0 0 Pairs   4 800 27.29
15
15
4061 Polygon   4 211 33.58
21
17
4157 Domino   4 54 50.42
42
42
4194 Another Lucky Numbers   4 136 33.45
17
13
4197 Dominoes   4 120 23.01
23
23
4310 Permutacja   4 160 40.19
12
17
4329 Counting K-Rectangle   4 386 29.99
20
28
5271 A Coin Game   4 503 30.49
21
30
5298 Interval Challenge   4 135 16.52
24
27
5542 Counting pairs   4 129 26.33
39
36
6035 Dinner   4 155 27.03
9
34
6221 Increasing Powers of K   4 351 27.41
24
34
6264 Rank of a Fraction   4 129 31.58
12
34
6377 Two Array Problem   4 185 27.61
17
26
6479 The Very Greatest Common Divisor   4 93 10.23
21
13
6560 N DIV PHI_N (Hard)   4 164 21.04
17
28
6624 Snowball Game   4 47 30.67
17
26
6650 Consecutive sequence   4 320 45.05
20
17
6852 Fish   4 180 29.77
26
21

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