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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4201 Coder Ratings   26 1387 35.94
15
18
4343 Empty Boxes   26 3559 66.11
2
13
7217 Training for final   26 2091 45.47
8
6
10676 0110SS   26 1755 40.96
13
9
11985 Gao on a tree   26 764 15.08
28
27
13384 Nice Binary Trees   26 1788 39.41
9
13
14543 Range Sum   26 973 38.01
11
12
15648 Commando   26 738 32.23
27
34
16121 MODIFY SEQUENCE   26 2360 48.39
6
7
3107 Odd Numbers of Divisors   27 1046 18.26
22
22
6168 Building Bridges   27 1642 26.05
11
17
8547 Euclids algorithm revisited   27 1406 22.91
19
22
10620 KNJIGE   27 1440 44.32
4
18
15650 Dark roads   27 1426 36.27
10
10
27381 Emoticon   27 814 50.17
8
14
3375 Stamps   28 13727 41.75
5
3
3380 Tourist   28 1076 38.36
19
31
3477 Baby   28 947 46.56
21
24
9722 Insertion Sort   28 3876 30.86
12
12
10471 Aliens at the train, again!   28 812 44.92
16
16
12151 Pizzamania   28 2143 28.35
5
4
12612 Path of the righteous man   28 481 36.20
20
22
14887 Good Travels   28 498 28.86
26
24
15267 FRIEND CIRCLE   28 1279 27.44
13
11
22268 Euler Totient Function Sieve   28 377 18.94
23
20
28306 Ada and Queue   28 2326 25.68
11
9
30690 Ada and Nucleobase   28 453 43.70
25
26
48 Glass Beads   29 3396 37.86
15
18
50 Invitation Cards   29 1733 42.92
16
18
110 Fill the Cisterns   29 1408 31.34
21
20
4031 Mass of Molecule   29 2575 48.05
12
9
6691 Picking Up Chicks   29 2216 32.14
11
18
8670 THE MAX LINES   29 8016 36.86
4
10
9820 Through the troops   29 1972 44.70
12
11
18941 True Friends   29 972 51.25
12
12
27269 Cube Numbers   29 605 30.72
9
11
30734 Ada and Orange Tree   29 371 23.43
22
21
34020 Ada and Pet   29 634 26.88
13
19
1025 Fashion Shows   30 27674 46.38
3
3
2277 Silly Sort   30 835 54.47
17
27
3407 Candy   30 1358 42.64
11
19
3943 Nested Dolls   30 1223 23.63
20
27
4082 BLAST   30 1745 51.63
8
16
4206 Fast Maximum Matching   30 1966 29.21
22
19
4226 Japan   30 1752 23.29
16
19
4556 Think I will Buy Me a Football Team   30 2172 45.04
7
11
5976 Traversing Grid   30 3708 58.48
6
10
7258 Lexicographical Substring Search   30 2104 21.81
23
19
8725 Closest Point Pair   30 1908 20.31
18
21
9055 Most Frequent Value   30 740 23.16
15
21

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