list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13630 BATMAN1   33 587 38.62
19
22
16210 Impossible Boss   10 178 21.54
21
22
25690 Laser Beam   9 71 25.76
9
22
32199 Ada and Cherry   11 152 35.65
14
22
36951 HowManyLis   7 134 17.92
21
22
30738 Ada and Coins   56 757 30.88
14
22
25 Pouring water   100 5412 24.24
19
22
2884 Martian Mining   87 2288 47.69
13
22
243 Stable Marriage Problem   12 1537 40.55
19
22
3107 Odd Numbers of Divisors   27 1046 18.26
22
22
18425 Polynomial Multiplication   47 1565 39.26
19
22
13 Hotline   2 204 16.62
34
23
59 Bytelandian Information Agency   2 413 19.51
17
23
62 The Imp   1 292 30.33
17
23
65 Ball   2 152 35.05
17
23
122 Voracious Steve   2 269 29.77
23
23
134 Phony Primes   1 180 19.18
23
23
153 Balancing the Stone   2 324 32.92
17
23
188 Rectangles   2 182 12.71
17
23
297 Aggressive cows   1063 43139 36.00
16
23
967 Parking Bay   3 556 49.26
12
23
1696 Will Indiana Jones Get There   2 122 26.88
28
23
1707 Reliable Nets   4 339 31.46
28
23
1776 DNA Laboratory   3 110 11.20
34
23
2856 Help Bob   6 273 31.92
21
23
3105 Power Modulo Inverted   6 1034 26.48
15
23
3111 Stabards   3 160 43.10
12
23
3389 The Knights of the Round Circle   3 443 67.21
6
23
3866 Finding Palindromes   7 246 19.43
19
23
3982 String problem   7 604 48.95
9
23
3999 FROGGER   3 97 27.01
28
23
4197 Dominoes   4 120 22.98
23
23
4483 Roads Repair   7 180 32.64
20
23
5969 Finding Maximum   3 103 30.45
13
23
6356 Rock-Paper-Scissors-Lizard-Spock   2 171 41.42
12
23
6956 IOI2009 Mecho   3 162 18.09
28
23
7188 Escape from Jail   12 618 30.90
18
23
7232 Inversion Sort   5 156 17.14
32
23
7250 Blocks for kids   2 96 43.87
23
23
7866 Regular expressions (Hard)   1 96 25.05
28
23
8263 Big Pyramid   3 45 59.76
23
23
8407 Candies and Milestones   2 474 21.68
6
23
8591 Prime Permutations   5 105 30.95
28
23
8989 Funny programming contest   3 34 24.71
12
23
10711 VUK   5 182 52.69
20
23
10958 Vero Dominoes   3 416 45.01
1
23
11564 E 23 Stairs pattern   1 137 39.39
17
23
11574 A Famous Stone Collector   3 122 35.42
9
23
11789 Aliens at the subway   2 67 17.03
23
23
12001 Bit by Bit   2 139 35.89
17
23

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