list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1840 Printer Queue   26 2936 47.87
14
9
4053 Card Sorting   26 690 43.58
22
27
4201 Coder Ratings   26 1393 35.88
15
18
4343 Empty Boxes   26 3571 65.98
2
13
4487 Can you answer these queries VI   26 1331 23.36
34
28
7217 Training for final   26 2095 45.50
8
6
9066 Sum of Distinct Numbers   26 343 14.41
32
32
10676 0110SS   26 1766 41.06
13
9
11391 EASY MATH   26 1423 20.19
19
17
11985 Gao on a tree   26 836 15.00
28
27
13384 Nice Binary Trees   26 1791 39.42
9
13
14543 Range Sum   26 999 38.08
11
12
15648 Commando   26 840 33.16
27
34
16121 MODIFY SEQUENCE   26 2371 48.46
6
7
3107 Odd Numbers of Divisors   27 1062 18.38
22
22
6168 Building Bridges   27 1654 26.06
11
17
8547 Euclids algorithm revisited   27 1441 22.79
19
23
15650 Dark roads   27 1520 36.21
10
10
27381 Emoticon   27 844 49.98
8
14
3380 Tourist   28 1122 38.05
19
31
3477 Baby   28 953 46.67
21
24
9722 Insertion Sort   28 4039 31.35
12
12
10471 Aliens at the train, again!   28 814 44.91
16
16
10620 KNJIGE   28 1447 44.39
5
18
12151 Pizzamania   28 2166 28.45
5
4
12612 Path of the righteous man   28 494 35.92
20
22
15267 FRIEND CIRCLE   28 1356 27.93
13
11
22268 Euler Totient Function Sieve   28 382 18.93
23
20
28306 Ada and Queue   28 2443 25.89
11
9
30690 Ada and Nucleobase   28 495 43.90
24
25
48 Glass Beads   29 3448 38.02
15
18
50 Invitation Cards   29 1759 42.97
16
18
110 Fill the Cisterns   29 1415 31.41
21
20
3375 Stamps   29 13769 41.70
5
3
4031 Mass of Molecule   29 2604 48.14
12
9
6691 Picking Up Chicks   29 2238 32.14
11
18
8670 THE MAX LINES   29 8034 36.86
4
10
8725 Closest Point Pair   29 2006 20.45
18
21
9820 Through the troops   29 2018 44.64
12
11
14887 Good Travels   29 581 28.91
26
24
27269 Cube Numbers   29 612 30.94
9
11
30734 Ada and Orange Tree   29 386 23.29
22
21
34020 Ada and Pet   29 649 26.99
13
19
1025 Fashion Shows   30 27804 46.41
3
3
2277 Silly Sort   30 838 54.54
17
27
4082 BLAST   30 1752 51.66
8
16
4226 Japan   30 1788 23.37
16
19
4556 Think I will Buy Me a Football Team   30 2184 45.13
7
11
5976 Traversing Grid   30 3715 58.52
6
10
9199 Circular Track   30 3348 40.30
7
14

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