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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1728 Common Permutation   26 4185 46.66
6
6
1840 Printer Queue   26 2974 48.12
14
9
4053 Card Sorting   26 692 43.61
22
27
4201 Coder Ratings   26 1395 35.83
15
18
4343 Empty Boxes   26 3572 65.96
2
13
4487 Can you answer these queries VI   26 1338 23.41
34
28
7217 Training for final   26 2095 45.51
8
6
9066 Sum of Distinct Numbers   26 345 14.45
32
32
10676 0110SS   26 1768 41.08
13
9
11391 EASY MATH   26 1429 20.18
19
17
11985 Gao on a tree   26 845 15.05
28
27
13384 Nice Binary Trees   26 1821 39.73
9
13
14543 Range Sum   26 1008 38.03
11
12
15648 Commando   26 848 33.32
27
34
16121 MODIFY SEQUENCE   26 2373 48.46
6
7
3107 Odd Numbers of Divisors   27 1065 18.39
22
22
6168 Building Bridges   27 1659 25.98
11
17
8547 Euclids algorithm revisited   27 1449 22.84
19
23
15650 Dark roads   27 1528 36.29
10
10
27381 Emoticon   27 849 49.74
8
14
3380 Tourist   28 1129 38.07
19
31
3477 Baby   28 952 46.63
21
24
9722 Insertion Sort   28 4042 31.36
12
12
10471 Aliens at the train, again!   28 814 44.91
16
16
10620 KNJIGE   28 1447 44.42
5
18
12151 Pizzamania   28 2175 28.51
5
4
12612 Path of the righteous man   28 495 35.94
20
22
15267 FRIEND CIRCLE   28 1364 27.99
13
11
22268 Euler Totient Function Sieve   28 386 19.06
23
20
28306 Ada and Queue   28 2456 25.95
11
9
48 Glass Beads   29 3452 38.03
15
18
50 Invitation Cards   29 1766 42.98
16
18
110 Fill the Cisterns   29 1416 31.42
21
20
3375 Stamps   29 13772 41.70
5
3
4031 Mass of Molecule   29 2607 48.18
12
9
6691 Picking Up Chicks   29 2245 32.16
11
18
8670 THE MAX LINES   29 8037 36.88
4
10
8725 Closest Point Pair   29 2013 20.45
18
21
9820 Through the troops   29 2026 44.66
12
11
27269 Cube Numbers   29 612 30.95
9
11
30690 Ada and Nucleobase   29 503 43.94
24
26
34020 Ada and Pet   29 651 27.03
13
19
1025 Fashion Shows   30 27816 46.41
3
3
2277 Silly Sort   30 879 55.39
17
27
4082 BLAST   30 1755 51.67
8
16
4226 Japan   30 1791 23.38
16
19
4556 Think I will Buy Me a Football Team   30 2184 45.13
7
11
5976 Traversing Grid   30 3715 58.53
6
10
9199 Circular Track   30 3348 40.30
7
14
9942 Holiday Accommodation   30 1106 26.20
23
25

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