list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
682 Pairs of Integers   203 25.35
11770 Lifesavers   1 76 25.34
17
733 Mountain Walking   1 749 25.34
34
26
9532 Transportation   1 17 25.33
17
17
18273 Encode Integer   15 789 25.33
8
7
7193 The Pharaoh Curse   16 25.32
7804 Defense of a Kingdom   39 4865 25.31
10
12
26345 PATHETIC STRINGS   7 70 25.30
19
19
2148 Candy III   54 20376 25.30
9
5
14031 Spring Primality   21 25.26
1748 Sequence Partitioning II   1 54 25.26
17
34
4198 Lego   5 175 25.25
24
22
13419 Modular Fibonacci Period   8 81 25.26
34
34
10644 Serve The Street   1 134 25.25
34
1
10419 Polish Language   97 25.23
8058 Soccer Teams   1 139 25.22
17
26
7783 Commuting Functions   44 25.22
8177 Beautiful numbers EXTREME   -2 211 25.21
26
9
3896 Maximal Independent Set   2 58 25.20
34
42
687 Repeats   1 884 25.19
34
42
8283 Non-Decreasing Numbers   2 26 25.17
50
50
3465 Drive through MegaCity   23 25.16
26187 Captain Claw   59 25.16
17
12
36144 The Cow Gathering   1 32 25.15
9
34
346 Bytelandian gold coins   541 25670 25.14
11
12
1704 Countdown   298 25.14
26
9
9690 Universal Question Answering System   24 25.14
3007 Oil Company   3 178 25.08
23
28
2124 Last Non-Zero Digit of Factorials   4 473 25.07
26
34
26450 Palindromic Primes (Hard)   5 34 25.05
34
30
7866 Regular expressions (Hard)   1 96 25.05
28
23
25584 Factorial Modulo   25 408 25.04
10
15
34011 Jalil Got TLE   12 480 25.02
6
8
7718 Number of common divisors   86 6811 25.01
12
13
349 Around the world   1 81 25.00
17
17
3023 Binary multiplication   3 226 25.00
17
17
7560 F - Interesting Ranges   9 25.00
8657 The Bovine Accordion and Banjo Orchestra   6 25.00
8846 Fudan Extracurricular Lives   7 25.00
13118 The Rook and The Rookette   30 25.00
17
17
13926 Flipping Slipping of grids   1 4 25.00
17
50
23185 Pencil Game   1 16 25.00
17
17
17143 Make Psycho   2 223 24.98
34
9
90 Minimizing maximizer   3 365 24.96
17
26
5530 Math with Bases (Easy)   2 63 24.94
26
9
9510 Ads Proposal   63 24.94
4354 Snowflakes   1 810 24.93
9
21
9038 Chessboard Billiard   44 24.90
481 Roots of polynomial   37 24.90
17
34
264 Corporative Network   14 590 24.89
17
19

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