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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10818 Medium Factorization   21 1660 14.17
18
14
1847 No Change   37 1671 36.23
11
14
4672 Yanu in Movie theatre   12 1675 45.12
2
27
526 Divisors   37 1681 43.57
14
13
11931 AMZ Word   12 1681 64.48
9
10
1870 Making Labels   -2 1684 59.46
2
10
5240 Area of a Garden   5 1686 47.05
4
9
5832 AND Rounds   51 1688 24.83
17
20
16909 Critical Edges   46 1708 28.76
14
15
50 Invitation Cards   29 1710 43.05
16
18
376 A concrete simulation   15 1711 34.29
11
12
10293 FANCY NUMBERS   18 1714 50.28
7
9
1799 The Bottom of a Graph   50 1716 32.42
21
21
2939 Query on a tree V   75 1717 27.78
29
30
359 Alpha Centauri Tennis   2 1722 50.53
3
8
503 Prime Intervals   65 1727 15.78
21
19
28305 Ada and Indexing   56 1733 40.87
15
15
12914 Totient Extreme   42 1734 39.99
8
11
3920 Lucius Dungeon   17 1739 38.68
17
12
4226 Japan   30 1741 23.25
16
19
4082 BLAST   30 1742 51.60
8
16
10676 0110SS   25 1742 41.14
13
9
13384 Nice Binary Trees   26 1743 39.11
9
13
11932 Amz Rock   12 1747 61.95
4
7
21332 Pigeonhole Tower   7 1748 35.69
4
6
9952 111…1 Squared   8 1750 46.60
5
10
22393 KATHTHI   56 1753 32.22
16
17
12880 Sheep   38 1755 44.44
10
10
15567 Playing With Balls   23 1757 65.44
2
11
16033 Tip Top Game   17 1758 27.06
2
7
23976 Mohib and series   40 1758 47.07
4
7
25942 Ball sum   42 1770 35.62
11
11
9340 Arbitrage   35 1775 39.09
11
17
10228 Magic Grid   44 1783 26.32
14
19
51 Fake tournament   42 1786 27.32
18
19
2901 One Geometry Problem   9 1787 36.04
4
13
1812 Longest Common Substring II   14 1807 17.69
29
29
9805 Be Awesome As Barney Stinson   43 1809 68.24
12
13
8374 PARKET   4 1836 56.12
3
4
8725 Closest Point Pair   31 1840 20.18
19
21
16211 Boring Factorials   34 1861 34.67
12
17
23776 K-Query Online   83 1867 40.58
20
24
10514 K12 - Building Construction   57 1883 25.62
12
17
11374 Database   11 1883 34.67
6
6
16139 Naya Shatranj (New Chess)   10 1887 68.96
4
17
2006 Load Balancing   19 1888 47.39
11
19
15429 Counting Ids   15 1898 50.02
5
5
22403 Divisors of factorial   70 1906 29.75
14
14
4549 Adding Sevens   19 1921 33.11
17
6
8545 Subset sum   45 1923 39.93
12
16

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