list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
138 Election Posters   65 2343 25.84
20
21
3405 Almost Shortest Path   79 1714 31.37
22
21
913 Query on a tree II   118 4785 20.96
23
21
1026 Favorite Dice   42 5492 63.85
4
21
15620 Postering   16 735 33.96
16
21
3978 Distance Query   71 1953 33.23
24
21
35674 COLORFUL ARRAY   65 1784 41.37
20
21
22268 Euler Totient Function Sieve   29 408 19.54
23
21
32745 Ada and Harvest   20 294 27.42
22
21
8551 Colours A, B, C, D   39 2165 21.23
10
21
22455 SUM OF PRODUCT   35 1081 17.71
18
21
9040 Tug of War   12 623 25.80
9
21
10237 Goblin Wars   4 408 25.98
26
21
14846 Bribe the Prisoners   10 411 32.09
19
21
15561 Find Number Of Pair of Friends   11 469 32.15
23
21
18176 FRIENDSHIP!!!   16 631 26.94
15
21
18247 Arrangement Validity   11 223 36.23
17
21
25178 Elegant Permuted Sum   8 139 35.67
14
21
26646 An easy Problem   8 69 55.22
13
21
27000 Shoot and kill   12 336 23.81
21
21
27379 Unique Code   22 130 19.74
21
21
31428 Fibonacci Polynomial   10 136 36.75
19
21
32058 Harbinger vs Sciencepal   16 175 35.54
17
21
36563 Hard Fibonacci   8 94 24.80
19
21
2713 Can you answer these queries IV   60 4383 17.75
21
21
3643 Traffic Network   89 2120 18.30
18
21
277 City Game   16 1334 39.33
20
21
3752 JEDNAKOST   12 601 18.45
23
21
4168 Square-free integers   14 788 46.27
16
21
19568 Prime queries   10 447 22.90
27
21
1716 Can you answer these queries III   236 12142 43.83
22
21
4181 MELE3   19 617 42.70
20
21
10285 Why this kolaveri di   21 1430 53.20
12
21
3261 Race Against Time   38 1180 24.85
21
21
345 Mixtures   256 9222 36.24
17
21
365 Phidias   25 1226 47.23
13
21
1724 Counting Triangles   69 13198 33.99
7
21
1799 The Bottom of a Graph   50 1735 32.47
21
21
100 Tower of Babylon   45 3108 50.62
19
21
9 Direct Visibility   4 267 11.65
30
21
14 I-Keyboard   8 1310 42.74
24
21
35 Equipment Box   6 1329 14.46
8
21
58 Crime at Piccadily Circus   3 651 14.03
31
21
86 November Rain   4 301 17.60
21
21
235 Very Fast Multiplication   25 1362 28.09
25
21
397 I Conduit   3 196 15.56
21
21
403 Sort fractions   6 714 33.12
9
21
1703 ACM (ACronymMaker)   52 1097 29.70
26
21
1723 Bee Maja   3 561 53.62
17
21
1776 DNA Laboratory   3 112 11.02
30
21

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