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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1847 No Change   37 1672 36.23
11
14
10818 Medium Factorization   21 1674 14.17
18
14
16254 Running Median Again   41 1676 22.31
20
16
4672 Yanu in Movie theatre   12 1677 45.11
2
27
3978 Distance Query   68 1683 32.20
24
21
11931 AMZ Word   12 1683 64.50
9
10
526 Divisors   37 1684 43.57
14
13
1870 Making Labels   -2 1684 59.46
2
10
5240 Area of a Garden   5 1687 47.01
4
9
5832 AND Rounds   51 1691 24.83
17
20
18167 SubXor   73 1701 30.41
25
29
376 A concrete simulation   15 1714 34.30
11
12
10293 FANCY NUMBERS   18 1715 50.25
7
9
1799 The Bottom of a Graph   50 1719 32.42
21
21
50 Invitation Cards   29 1722 43.00
16
18
359 Alpha Centauri Tennis   2 1728 50.52
3
8
503 Prime Intervals   65 1735 15.79
21
19
3920 Lucius Dungeon   17 1739 38.68
17
12
2939 Query on a tree V   75 1741 27.85
29
30
12914 Totient Extreme   44 1742 40.02
8
11
4082 BLAST   30 1744 51.62
8
16
4226 Japan   30 1744 23.27
16
19
10676 0110SS   25 1745 41.11
13
9
16909 Critical Edges   47 1745 28.69
14
15
11932 Amz Rock   12 1748 61.90
4
7
21332 Pigeonhole Tower   7 1750 35.71
4
6
9952 111…1 Squared   8 1753 46.63
5
10
16033 Tip Top Game   17 1758 27.06
2
7
15567 Playing With Balls   23 1759 65.35
2
11
23976 Mohib and series   40 1760 47.03
4
7
25942 Ball sum   42 1775 35.55
11
11
10228 Magic Grid   44 1783 26.32
14
19
12880 Sheep   38 1786 45.38
10
10
13384 Nice Binary Trees   26 1787 39.42
9
13
51 Fake tournament   42 1790 27.31
18
19
9340 Arbitrage   37 1790 39.19
12
17
2901 One Geometry Problem   9 1804 36.13
4
13
22393 KATHTHI   56 1805 32.32
16
17
9805 Be Awesome As Barney Stinson   44 1817 68.28
12
13
1812 Longest Common Substring II   14 1826 17.73
29
29
28305 Ada and Indexing   56 1835 40.65
15
15
8374 PARKET   4 1836 56.11
3
4
8725 Closest Point Pair   31 1860 20.20
19
21
16211 Boring Factorials   34 1865 34.67
12
17
16139 Naya Shatranj (New Chess)   10 1889 68.84
4
17
2006 Load Balancing   19 1891 47.40
11
19
23776 K-Query Online   84 1895 40.36
20
24
11374 Database   11 1900 34.65
6
6
10514 K12 - Building Construction   57 1904 25.71
12
17
15429 Counting Ids   15 1908 49.93
5
5

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