list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8 Complete the Sequence!   24 2397 33.68
16
17
4177 Herding   49 2387 37.44
13
14
4557 Musical Chairs   21 2386 46.62
9
20
11404 Save Thy Toys   52 2382 29.97
11
14
18150 SHAKTIMAN AND KILWISH   26 2381 64.80
4
11
5117 Wine trading in Gergovia   35 2359 42.85
8
12
1167 Move To Invert   10 2357 32.67
9
17
372 The Benefactor   34 2342 37.20
13
12
3273 Order statistic set   106 2342 27.94
22
20
1840 Printer Queue   16 2297 49.44
13
8
16 Sphere in a tetrahedron   10 2283 58.12
11
14
10537 Edit Distance Again   16 2275 43.34
4
6
6 Simple Arithmetics   11 2230 12.18
32
8
29 Hash it!   10 2229 21.09
13
5
11402 The Indian Connection   14 2229 36.59
9
14
1798 Assistance Required   10 2184 45.62
16
6
178 Road net   6 2153 49.29
8
6
6772 Happy Coins   10 2151 55.95
3
8
17761 Gopu and Digits Divisibility   13 2121 43.91
5
4
4942 Integer Factorization (15 digits)   25 2103 32.07
12
13
7190 Guess the Number   10 2102 33.02
4
9
1699 Numeral System   10 2097 70.26
7
4
6470 Finding the Kth Prime   22 2092 29.65
20
14
11516 VALIDATE THE MAZE   46 2092 34.60
10
8
6471 Printing some primes   26 2090 29.46
16
13
1161 Tic-Tac-Toe ( I )   10 2073 24.05
8
9
106 Binary Stirling Numbers   -1 2069 37.47
5
15
9637 Black and White   10 2067 54.73
5
6
4110 Fast Maximum Flow   31 2049 34.16
25
21
3749 Subset Sums   38 2046 28.86
18
20
2149 Biased Standings   11 2011 34.52
3
4
10395 Sum of divisors!   20 2007 27.70
18
19
8551 Colours A, B, C, D   33 1988 21.35
8
22
1846 Project File Dependencies   23 1985 42.54
14
15
364 Pocket Money   39 1982 38.83
14
18
101 Fishmonger   37 1968 38.91
16
19
11736 Prime Time   22 1958 48.87
11
12
16121 MODIFY SEQUENCE   24 1949 50.26
5
6
263 Period   34 1940 44.05
11
19
2881 Find the Clones   15 1939 45.05
8
6
7217 Training for final   23 1939 47.15
7
6
11573 A Famous ICPC Team   5 1939 37.95
1
9
10639 The Blind Passenger   7 1932 44.79
4
6
7668 Pebble Solver   13 1931 50.15
9
11
4556 Think I will Buy Me a Football Team   23 1922 45.92
6
11
203 Potholers   18 1896 27.30
17
14
2530 Tiling a Grid With Dominoes   41 1890 69.31
15
23
339 Recursive Sequence   38 1867 54.70
18
15
867 Perfect Cubes   10 1865 47.59
7
5
2884 Martian Mining   62 1857 48.61
12
22

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