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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3405 Almost Shortest Path   80 1661 31.58
22
21
16254 Running Median Again   41 1664 22.26
20
16
10818 Medium Factorization   21 1665 14.14
18
14
3978 Distance Query   68 1666 32.04
24
21
1847 No Change   37 1671 36.23
11
14
4672 Yanu in Movie theatre   12 1677 45.13
2
27
11931 AMZ Word   12 1681 64.48
9
10
526 Divisors   37 1683 43.60
14
13
1870 Making Labels   -2 1684 59.46
2
10
5240 Area of a Garden   5 1686 47.05
4
9
5832 AND Rounds   51 1690 24.82
17
20
376 A concrete simulation   15 1713 34.29
11
12
10293 FANCY NUMBERS   18 1715 50.26
7
9
1799 The Bottom of a Graph   50 1717 32.42
21
21
50 Invitation Cards   29 1718 42.99
16
18
2939 Query on a tree V   75 1723 27.82
29
30
16909 Critical Edges   47 1723 28.81
14
15
359 Alpha Centauri Tennis   2 1726 50.53
3
8
503 Prime Intervals   65 1733 15.79
21
19
12914 Totient Extreme   43 1738 39.99
8
11
3920 Lucius Dungeon   17 1739 38.68
17
12
4226 Japan   30 1742 23.25
16
19
4082 BLAST   30 1743 51.61
8
16
10676 0110SS   25 1743 41.14
13
9
11932 Amz Rock   12 1747 61.91
4
7
9952 111…1 Squared   8 1750 46.59
5
10
21332 Pigeonhole Tower   7 1750 35.71
4
6
15567 Playing With Balls   23 1758 65.36
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 1772 35.55
11
11
12880 Sheep   38 1773 45.22
10
10
13384 Nice Binary Trees   26 1773 39.31
9
13
22393 KATHTHI   56 1778 32.21
16
17
10228 Magic Grid   44 1783 26.32
14
19
9340 Arbitrage   36 1784 39.15
11
17
28305 Ada and Indexing   56 1786 40.87
15
15
51 Fake tournament   42 1787 27.30
18
19
2901 One Geometry Problem   9 1802 36.12
4
13
1812 Longest Common Substring II   14 1816 17.72
29
29
9805 Be Awesome As Barney Stinson   44 1816 68.27
12
13
8374 PARKET   4 1836 56.11
3
4
8725 Closest Point Pair   31 1850 20.20
19
21
16211 Boring Factorials   34 1863 34.68
12
17
23776 K-Query Online   83 1884 40.35
20
24
16139 Naya Shatranj (New Chess)   10 1888 68.93
4
17
2006 Load Balancing   19 1890 47.41
11
19
11374 Database   11 1891 34.69
6
6
10514 K12 - Building Construction   57 1894 25.71
12
17
15429 Counting Ids   15 1901 50.01
5
5

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