list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
34025 Palindrome Maker   5 79 58.23
12
17
34222 Bucket Selection   5 18 16.03
21
30
34356 Ludic Numbers (medium)   5 59 30.45
36
39
34501 Divisible Strings   5 214 28.50
15
17
34623 Jeremías y sus loros   5 269 69.00
9
13
34648 Seven   5 41 49.61
11
21
34863 A Cumulative Sum Problem   5 29 21.53
34
42
34865 Scary Secret Diary   5 19 36.36
21
30
35145 Love Guru   5 112 22.34
12
12
35281 Noel and His Reindeer   5 27 45.35
21
13
35283 Full Sleigh   5 18 28.77
13
17
36441 Funny Prime Factorization   5 49 3.80
12
9
36530 Drawing Polygrams   5 51 29.78
9
17
37390 Colored Development   5 26 38.16
21
30
37475 Base Exploration   5 82 20.14
9
12
37514 A Summatory (Extreme)   5 45 23.66
34
36
38294 Square Pentagon   5 82 49.33
17
24
38389 Phasmophobia   5 27 30.17
39
39
40667 Ambitious XOXO   5 36 48.84
11
14
41944 BitPlay69   5 257 31.34
27
27
9 Direct Visibility   4 256 11.85
30
21
18 The Bytelandian Cryptographer (Act II)   4 666 29.51
25
1
82 Easy Problem   4 494 34.77
17
9
86 November Rain   4 294 17.54
21
21
94 Numeral System of the Maya   4 2581 40.51
10
6
245 Square Root   4 575 12.96
20
10
347 Lazy Cows   4 264 28.55
27
21
411 Number of quite different words   4 238 33.43
17
27
413 Word Puzzles   4 368 18.08
30
14
744 Longest Permutation   4 606 19.75
15
19
1110 Sudoku   4 472 38.86
34
1
1183 Accomodate the palace   4 547 52.42
17
34
1440 Use of Function Arctan   4 533 29.06
5
26
1697 Ohgas' Fortune   4 706 64.40
9
4
1706 Queens, Knights and Pawns   4 842 33.13
17
9
1707 Reliable Nets   4 339 31.46
28
23
1960 Rectangles   4 164 16.40
34
28
2051 Cell Phone   4 159 31.34
28
36
2058 Reaux! Sham! Beaux!   4 660 32.89
23
6
2124 Last Non-Zero Digit of Factorials   4 476 25.10
26
34
2143 Dependency Problems   4 518 38.95
17
13
2528 Monkey Vines   4 775 43.31
17
9
2670 Count Minimum Spanning Trees   4 180 17.18
28
39
2731 Inventing Test Data   4 456 25.98
15
28
2829 Time Limit Exceeded   4 251 21.43
34
34
3109 Longest Common Prefix   4 357 24.53
38
34
3196 Divisibility Relation   4 286 21.04
17
37
3394 Lagrange’s Four-Square Theorem   4 529 45.92
1
9
3579 Disjoint Paths   4 312 20.65
24
27
3723 Snooker   4 446 50.05
12
30

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