list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
297 Aggressive cows   1057 40327 36.10
16
23
2 Prime Generator   622 78380 15.99
15
13
394 Alphacode   576 22010 27.22
15
15
1043 Can you answer these queries I   564 13349 18.48
25
24
346 Bytelandian gold coins   541 25635 25.14
11
12
6256 Inversion Count   529 16786 31.58
16
18
5 The Next Palindrome   452 19932 10.73
25
18
3267 D-query   452 12357 27.61
19
23
1437 Longest path in a tree   403 19104 38.93
14
15
8002 Horrible Queries   396 10732 29.47
19
18
3377 A Bug’s Life   342 15204 27.38
12
13
1436 Is it a tree   336 20362 35.19
10
10
1841 Prime Path   336 10366 57.91
19
18
95 Street Parade   317 18119 29.00
14
11
3923 Philosophers Stone   308 12603 43.45
10
11
1021 Aibohphobia   307 10592 36.19
12
17
6219 Edit distance   305 13077 33.17
12
18
1 Life, the Universe, and Everything   297 213469 33.02
4
3
14930 Princess Farida   273 11901 26.97
7
10
740 Treats for the Cows   260 8476 42.60
13
14
4 Transform the Expression   258 42797 49.20
12
11
345 Mixtures   254 8735 36.45
17
21
97 Party Schedule   250 8807 36.13
14
16
206 Bitmap   245 9352 27.97
15
16
423 Assignments   242 4613 33.53
18
21
3266 K-query   237 5276 24.80
21
25
3946 K-th Number   237 5094 34.42
25
27
1716 Can you answer these queries III   232 10741 42.78
22
21
14932 Lowest Common Ancestor   230 7343 29.13
15
15
1805 Largest Rectangle in a Histogram   222 8059 27.60
18
24
4580 ABCDEF   216 7775 29.20
14
16
10582 subarrays   215 9254 34.29
11
13
9861 Hotels Along the Croatian Coast   210 8850 41.57
10
12
32 A Needle in the Haystack   193 10844 38.17
15
13
3442 The last digit   188 29288 26.94
9
8
5449 Seinfeld   188 9506 40.07
8
11
8001 Fibonacci Sum   177 6762 27.69
19
19
61 Brackets   175 5392 24.44
19
20
11 Factorial   174 58028 44.92
6
12
4300 Rectangles   174 26586 49.92
5
8
11814 Eko   170 14709 26.58
13
14
16487 Update the array !   164 4866 38.59
9
14
54 Julka   163 22906 27.44
19
6
375 Query on a tree   163 5562 17.53
33
27
9921 ABC Path   159 7374 21.78
15
12
3273 Order statistic set   157 3101 25.77
22
20
12471 DIE HARD   157 7850 39.09
12
14
15 The Shortest Path   156 7468 24.12
17
12
302 Count on Cantor   154 12982 61.33
13
14
24 Small factorials   153 49399 29.68
15
9

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