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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2157 Anti-Blot System   104 12954 45.23
10
5
7676 Sum of Digits   105 4926 38.60
17
20
1030 Triple Fat Ladies   106 19181 51.76
4
12
14956 Submerging Islands   107 4628 39.65
13
14
1684 Frequent values   112 3938 27.62
20
21
1710 Two Ends   115 3777 41.65
18
17
913 Query on a tree II   117 4658 20.83
23
21
1419 A Game with Numbers   118 12064 61.54
3
10
9948 Will it ever stop   120 17914 42.99
4
9
7299 Multiples of 3   121 3754 23.55
20
17
3410 Feynman   122 34438 57.47
4
6
1435 Vertex Cover   129 4126 34.29
15
18
12323 Minimum Knight moves !!!   132 8416 42.54
15
11
7742 Onotole needs your help   138 10136 41.08
4
11
39 Piggy-Bank   140 8202 35.46
14
16
4141 Euler Totient Function   147 11878 38.82
8
11
4560 The Double HeLiX   147 8920 37.57
11
10
4033 Phone List   151 7183 31.64
16
14
11515 I AM VERY BUSY   151 8545 45.11
9
11
370 Ones and zeros   152 4491 30.03
19
21
24 Small factorials   154 51035 29.60
15
9
302 Count on Cantor   155 13054 61.24
13
14
15 The Shortest Path   157 7641 24.03
17
12
12471 DIE HARD   157 7950 38.83
12
13
3273 Order statistic set   160 3328 26.43
22
20
9921 ABC Path   161 7737 21.78
15
12
54 Julka   163 23335 27.51
19
6
375 Query on a tree   165 5782 17.54
33
27
16487 Update the array !   165 4980 38.66
9
14
11814 Eko   172 16249 26.81
14
14
11 Factorial   175 60085 45.05
6
12
4300 Rectangles   176 26975 49.76
5
8
61 Brackets   177 5491 24.40
19
20
8001 Fibonacci Sum   182 6929 27.83
19
19
5449 Seinfeld   189 9546 40.04
8
11
3442 The last digit   190 29892 26.93
9
8
32 A Needle in the Haystack   193 11249 38.33
15
14
9861 Hotels Along the Croatian Coast   211 9007 41.74
10
12
10582 subarrays   215 9490 34.28
11
13
4580 ABCDEF   218 7879 29.28
14
16
1805 Largest Rectangle in a Histogram   229 8607 28.21
18
23
14932 Lowest Common Ancestor   233 7763 29.17
15
15
1716 Can you answer these queries III   236 11801 43.56
22
21
3946 K-th Number   242 5613 35.08
25
27
423 Assignments   243 4780 33.57
18
22
206 Bitmap   246 9576 28.20
15
16
3266 K-query   248 5868 25.13
21
25
97 Party Schedule   251 8907 36.20
14
16
345 Mixtures   256 9046 36.27
17
21
4 Transform the Expression   258 44018 49.36
12
11

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