list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2178 He is offside!   6 7506 49.90
3
4
5449 Seinfeld   127 7404 41.94
8
10
8670 THE MAX LINES   21 7380 36.91
3
9
97 Party Schedule   200 7167 35.62
14
16
1028 Hubulullu   51 7031 59.42
2
14
8612 Penney Game   34 6985 67.48
4
3
740 Treats for the Cows   205 6931 43.10
12
14
9861 Hotels Along the Croatian Coast   171 6822 42.74
10
12
4452 Simple Arithmetics II   48 6806 41.98
10
5
5699 The last digit re-visited   35 6799 31.75
9
9
206 Bitmap   182 6779 27.04
15
16
32 A Needle in the Haystack   118 6773 37.64
14
13
8061 Christmas Play   48 6655 48.44
5
4
345 Mixtures   171 6557 39.74
16
20
10582 subarrays   168 6450 37.16
11
13
1716 Can you answer these queries III   172 6406 54.51
23
21
3267 D-query   307 6205 31.51
19
23
27 Sorting Bank Accounts   41 6124 40.74
12
7
78 Marbles   57 6036 33.41
14
13
39 Piggy-Bank   114 6001 34.58
14
16
4580 ABCDEF   174 5941 28.63
13
16
1688 A Very Easy Problem!   36 5888 49.28
12
11
7169 Pizza   33 5873 29.72
11
8
9788 Friends of Friends   54 5845 67.11
7
5
1841 Prime Path   227 5815 63.07
19
18
4560 The Double HeLiX   99 5611 41.27
11
10
2906 GCD2   47 5523 36.45
12
10
11515 I AM VERY BUSY   114 5471 48.53
8
11
10286 DOTA HEROES   32 5451 46.20
3
5
2716 Maximal Quadrilateral Area   3 5442 51.13
3
7
15965 PLAY WITH MATH   50 5343 49.43
3
5
1805 Largest Rectangle in a Histogram   160 5297 31.81
18
24
1163 Java vs C ++   15 5150 22.64
13
4
8001 Fibonacci Sum   137 5098 29.01
19
19
91 Two squares or not two squares   68 5052 25.00
11
14
10239 Between the Mountains   30 4966 39.49
7
6
3693 Maximum Sum   44 4922 44.65
21
19
7718 Number of common divisors   61 4864 28.97
11
13
4033 Phone List   113 4838 33.67
16
14
9921 ABC Path   114 4707 23.16
14
11
13043 The Mirror of Galadriel   25 4702 66.07
2
3
12471 DIE HARD   110 4633 44.09
11
12
6171 Majority   32 4618 42.32
5
7
15 The Shortest Path   94 4585 22.83
18
13
2738 Number Guessing Game   35 4543 63.17
6
12
368 Cobbled streets   82 4535 52.19
15
14
31 Fast Multiplication   38 4436 17.96
13
12
3885 Coins Game   71 4413 47.22
10
13
7588 Wise And Miser   56 4407 74.00
7
9
7975 Tri graphs   76 4407 29.39
10
10

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