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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4201 Coder Ratings   26 1383 35.97
15
18
4343 Empty Boxes   26 3545 66.05
2
13
7217 Training for final   26 2089 45.47
8
6
13384 Nice Binary Trees   26 1741 39.09
9
13
14543 Range Sum   26 953 38.32
11
12
16121 MODIFY SEQUENCE   26 2348 48.34
6
7
48 Glass Beads   27 3347 37.77
15
17
3107 Odd Numbers of Divisors   27 1039 18.24
22
22
3477 Baby   27 941 46.48
20
23
6168 Building Bridges   27 1637 26.01
11
17
8547 Euclids algorithm revisited   27 1376 23.06
19
22
9055 Most Frequent Value   27 701 23.27
15
22
10620 KNJIGE   27 1439 44.33
4
18
14887 Good Travels   27 434 28.39
26
25
15267 FRIEND CIRCLE   27 1134 27.70
13
11
15650 Dark roads   27 1368 36.27
10
10
27381 Emoticon   27 793 50.03
8
14
30690 Ada and Nucleobase   27 414 43.94
23
25
110 Fill the Cisterns   28 1398 31.30
21
20
3375 Stamps   28 13679 41.74
5
3
3380 Tourist   28 1021 38.52
19
31
7258 Lexicographical Substring Search   28 2035 21.63
23
19
9722 Insertion Sort   28 3821 30.68
12
12
10471 Aliens at the train, again!   28 811 45.00
16
16
12151 Pizzamania   28 2128 28.21
5
4
12612 Path of the righteous man   28 474 36.21
20
22
22268 Euler Totient Function Sieve   28 373 18.94
23
20
28306 Ada and Queue   28 2247 25.63
11
9
50 Invitation Cards   29 1710 43.05
16
18
3943 Nested Dolls   29 1216 23.59
19
26
4031 Mass of Molecule   29 2557 48.10
12
9
4206 Fast Maximum Matching   29 1948 29.17
22
19
6691 Picking Up Chicks   29 2182 32.11
11
18
8670 THE MAX LINES   29 8006 36.84
4
10
9820 Through the troops   29 1950 44.91
12
11
9942 Holiday Accommodation   29 1053 25.94
23
25
18941 True Friends   29 934 50.62
12
12
27269 Cube Numbers   29 604 30.83
9
11
27318 Primal Fear   29 1432 22.35
14
14
34020 Ada and Pet   29 622 26.84
13
19
1025 Fashion Shows   30 27486 46.37
3
3
1754 Divisor Summation (Hard)   30 1122 15.50
22
21
2277 Silly Sort   30 801 54.92
17
27
3407 Candy   30 1357 42.64
11
19
3861 Laser Phones   30 1355 28.59
20
18
4082 BLAST   30 1742 51.60
8
16
4226 Japan   30 1740 23.27
16
19
4556 Think I will Buy Me a Football Team   30 2165 44.99
7
11
5976 Traversing Grid   30 3704 58.49
6
10
9199 Circular Track   30 3336 40.26
7
14

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