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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1812 Longest Common Substring II   16 2102 18.39
30
28
7217 Training for final   26 2101 45.57
8
6
11374 Database   11 2101 34.28
6
6
8371 TRIANGULAR PRISM   11 2096 68.43
2
8
4206 Fast Maximum Matching   33 2091 29.47
22
19
11840 Sum of Squares with Segment Tree   55 2087 51.04
23
19
33 Trip   17 2072 26.40
25
16
10514 K12 - Building Construction   60 2071 26.47
12
16
8725 Closest Point Pair   30 2063 20.75
18
21
9820 Through the troops   29 2059 44.44
12
11
9126 Time to live   48 2058 37.70
12
15
23776 K-Query Online   86 2058 40.13
20
23
2881 Find the Clones   17 2056 44.57
9
7
11573 A Famous ICPC Team   10 2046 37.72
2
8
14441 Three Circle Problem (EASY)   13 2020 55.68
6
14
12880 Sheep   40 2018 46.21
9
10
7668 Pebble Solver   15 2009 50.46
8
11
15429 Counting Ids   15 2008 49.51
5
5
10639 The Blind Passenger   9 1998 44.71
4
5
3408 DNA Sequences   47 1991 26.13
16
20
22403 Divisors of factorial   71 1985 29.90
14
14
3978 Distance Query   71 1953 33.23
24
21
9340 Arbitrage   37 1950 39.50
12
17
8545 Subset sum   45 1942 40.11
12
16
13913 Real Mangoes for Ranjith   7 1939 41.78
3
8
16139 Naya Shatranj (New Chess)   10 1937 68.39
4
17
4549 Adding Sevens   19 1934 33.29
17
6
2939 Query on a tree V   79 1924 28.77
29
30
16909 Critical Edges   50 1922 28.75
13
15
16211 Boring Factorials   34 1915 34.84
12
17
2006 Load Balancing   19 1910 47.55
11
19
18167 SubXor   76 1903 30.82
25
29
10818 Medium Factorization   24 1902 14.63
19
14
9805 Be Awesome As Barney Stinson   44 1860 68.30
12
13
8374 PARKET   4 1854 56.20
3
4
13384 Nice Binary Trees   26 1840 39.88
9
13
2901 One Geometry Problem   9 1827 36.14
4
13
503 Prime Intervals   67 1826 16.13
21
19
51 Fake tournament   43 1819 26.96
18
19
8728 Hierarchy   17 1817 29.84
10
17
16254 Running Median Again   41 1812 22.61
20
16
12914 Totient Extreme   45 1805 40.27
8
12
4226 Japan   30 1803 23.39
16
19
10228 Magic Grid   44 1802 26.43
14
19
25942 Ball sum   42 1800 35.19
11
11
9952 111…1 Squared   8 1793 46.40
5
10
1557 Can you answer these queries II   26 1790 25.05
28
35
11932 Amz Rock   13 1785 61.76
4
7
50 Invitation Cards   29 1782 43.12
16
18
35674 COLORFUL ARRAY   65 1782 41.36
20
21

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