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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2881 Find the Clones   17 2045 44.49
9
7
11840 Sum of Squares with Segment Tree   54 2044 50.85
23
19
11573 A Famous ICPC Team   10 2038 37.66
2
8
9126 Time to live   48 2030 37.64
12
15
28305 Ada and Indexing   59 2024 41.33
15
15
33 Trip   17 2009 26.37
25
16
4206 Fast Maximum Matching   30 2002 29.28
22
19
7668 Pebble Solver   15 2000 50.41
8
11
9820 Through the troops   29 1996 44.70
12
11
10639 The Blind Passenger   9 1991 44.67
4
5
3408 DNA Sequences   47 1983 26.17
16
20
11374 Database   11 1981 34.55
6
6
14441 Three Circle Problem (EASY)   12 1981 55.40
6
13
10514 K12 - Building Construction   58 1963 25.93
12
16
15429 Counting Ids   15 1953 49.58
5
5
8725 Closest Point Pair   30 1952 20.32
18
21
23776 K-Query Online   85 1951 40.09
20
23
22393 KATHTHI   57 1950 32.79
16
17
22403 Divisors of factorial   71 1936 29.72
14
14
8545 Subset sum   45 1933 40.02
12
16
13913 Real Mangoes for Ranjith   7 1931 41.87
3
8
4549 Adding Sevens   19 1924 33.14
17
6
1812 Longest Common Substring II   15 1918 17.93
31
28
16139 Naya Shatranj (New Chess)   10 1914 68.53
4
17
2006 Load Balancing   19 1902 47.58
11
19
16211 Boring Factorials   34 1880 34.72
12
17
12880 Sheep   39 1864 45.94
9
10
9340 Arbitrage   37 1852 39.25
12
17
8374 PARKET   4 1843 56.15
3
4
9805 Be Awesome As Barney Stinson   44 1835 68.16
12
13
2901 One Geometry Problem   9 1819 36.10
4
13
2939 Query on a tree V   76 1819 28.27
29
30
16909 Critical Edges   48 1807 28.69
14
15
51 Fake tournament   43 1801 27.14
18
19
25942 Ball sum   42 1789 35.41
11
11
13384 Nice Binary Trees   26 1788 39.41
9
13
10228 Magic Grid   44 1786 26.33
14
19
9952 111…1 Squared   8 1782 46.33
5
10
3978 Distance Query   70 1780 32.77
24
21
503 Prime Intervals   66 1771 15.94
21
19
12914 Totient Extreme   45 1767 40.07
8
12
4226 Japan   30 1766 23.29
16
19
15567 Playing With Balls   23 1766 65.36
2
11
11932 Amz Rock   13 1765 61.95
4
7
23976 Mohib and series   40 1763 47.05
4
7
16033 Tip Top Game   17 1761 27.09
2
7
10676 0110SS   26 1759 40.96
13
9
10818 Medium Factorization   22 1759 14.31
18
14
18167 SubXor   75 1751 30.53
25
29
21332 Pigeonhole Tower   7 1751 35.71
4
6

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