list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9948 Will it ever stop   118 17695 43.12
4
9
3410 Feynman   120 33833 57.52
4
6
7299 Multiples of 3   120 3668 23.36
20
17
1435 Vertex Cover   128 4014 34.07
15
18
12323 Minimum Knight moves !!!   128 7640 42.23
15
11
7742 Onotole needs your help   138 10036 41.00
4
11
39 Piggy-Bank   139 8063 35.45
14
16
4141 Euler Totient Function   144 11408 38.40
8
11
4560 The Double HeLiX   146 8770 37.57
12
10
370 Ones and zeros   149 4437 29.99
19
22
4033 Phone List   149 6786 31.32
16
14
11515 I AM VERY BUSY   151 8257 45.25
9
11
24 Small factorials   153 49253 29.70
15
9
302 Count on Cantor   154 12973 61.34
13
14
15 The Shortest Path   156 7453 24.14
17
12
12471 DIE HARD   156 7842 39.09
11
14
3273 Order statistic set   157 3092 25.76
22
20
9921 ABC Path   158 7331 21.80
15
12
54 Julka   161 22862 27.43
19
6
375 Query on a tree   163 5544 17.54
33
27
16487 Update the array !   164 4847 38.57
9
14
11814 Eko   170 14564 26.54
13
14
11 Factorial   173 57875 44.91
6
12
61 Brackets   174 5382 24.43
19
20
4300 Rectangles   174 26548 49.93
5
8
8001 Fibonacci Sum   177 6751 27.70
19
19
3442 The last digit   188 29213 26.95
9
8
5449 Seinfeld   188 9499 40.06
8
11
32 A Needle in the Haystack   192 10800 38.18
15
13
9861 Hotels Along the Croatian Coast   210 8835 41.59
10
12
10582 subarrays   215 9233 34.30
11
13
4580 ABCDEF   216 7771 29.20
14
16
1805 Largest Rectangle in a Histogram   222 8029 27.57
18
24
14932 Lowest Common Ancestor   230 7299 29.17
15
15
1716 Can you answer these queries III   232 10669 42.72
22
21
3266 K-query   237 5251 24.78
21
25
3946 K-th Number   237 5059 34.35
25
27
423 Assignments   242 4606 33.51
18
21
206 Bitmap   245 9304 27.92
15
16
97 Party Schedule   250 8789 36.12
14
16
345 Mixtures   254 8709 36.48
17
21
4 Transform the Expression   257 42678 49.19
12
11
740 Treats for the Cows   260 8462 42.60
13
14
14930 Princess Farida   273 11819 26.98
7
10
1 Life, the Universe, and Everything   295 212858 33.01
4
3
1021 Aibohphobia   306 10573 36.17
12
17
6219 Edit distance   306 13063 33.16
12
18
3923 Philosophers Stone   308 12555 43.44
10
11
95 Street Parade   317 18017 28.96
14
11
1436 Is it a tree   336 20303 35.17
10
10

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