list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
86 November Rain   4 301 17.60
21
21
94 Numeral System of the Maya   4 2599 40.57
10
6
245 Square Root   4 597 13.24
20
10
347 Lazy Cows   4 271 28.54
27
21
411 Number of quite different words   4 244 33.93
17
27
413 Word Puzzles   4 377 18.26
30
14
1110 Sudoku   4 541 40.15
34
1
1183 Accomodate the palace   4 555 52.75
17
34
1440 Use of Function Arctan   4 543 29.24
5
26
1673 Ambitious Manager   4 464 36.31
17
15
1697 Ohgas' Fortune   4 715 64.53
9
4
1706 Queens, Knights and Pawns   4 854 32.96
17
9
1707 Reliable Nets   4 342 31.51
28
23
1960 Rectangles   4 173 16.61
34
28
2051 Cell Phone   4 161 31.43
28
36
2058 Reaux! Sham! Beaux!   4 664 32.90
23
6
2124 Last Non-Zero Digit of Factorials   4 488 25.49
26
34
2127 Rain   4 438 40.61
20
15
2143 Dependency Problems   4 521 38.96
17
13
2528 Monkey Vines   4 780 43.22
17
9
2666 Query on a tree IV   4 746 13.54
38
34
2670 Count Minimum Spanning Trees   4 189 17.41
28
39
2731 Inventing Test Data   4 555 24.97
15
28
2829 Time Limit Exceeded   4 260 21.67
34
34
3109 Longest Common Prefix   4 396 25.51
38
34
3394 Lagrange’s Four-Square Theorem   4 532 46.08
1
9
3579 Disjoint Paths   4 318 20.79
24
27
3753 GONDOR   4 395 53.39
13
13
3832 Kruska   4 107 46.57
17
17
3936 Repair City Hall   4 248 50.82
5
1
3973 0 0 Pairs   4 806 27.34
15
15
4061 Polygon   4 215 31.41
21
17
4157 Domino   4 56 49.80
42
42
4194 Another Lucky Numbers   4 142 33.44
17
13
4197 Dominoes   4 125 23.08
23
23
4310 Permutacja   4 170 38.96
12
17
4329 Counting K-Rectangle   4 389 30.05
20
28
5120 Minimal Possible String   4 61 5.32
34
30
5271 A Coin Game   4 554 31.99
21
30
5298 Interval Challenge   4 143 16.92
24
27
5542 Counting pairs   4 135 26.54
39
36
6035 Dinner   4 164 27.30
9
34
6221 Increasing Powers of K   4 360 27.59
24
34
6264 Rank of a Fraction   4 132 31.92
12
34
6377 Two Array Problem   4 189 28.02
17
26
6479 The Very Greatest Common Divisor   4 95 10.11
21
13
6560 N DIV PHI_N (Hard)   4 168 21.34
17
28
6624 Snowball Game   4 53 31.43
17
26
6650 Consecutive sequence   4 324 45.08
20
17
6852 Fish   4 186 30.44
26
21

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