list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
6805 Counter attack   3 176 60.91
17
17
6956 IOI2009 Mecho   3 167 18.38
28
23
7022 Cow Patterns   3 126 25.81
28
28
7034 Crashing Robots   3 170 47.65
17
1
7239 Cells   3 80 46.73
17
9
7335 Spheres   3 129 9.54
17
39
7426 Imperial Units   3 505 45.68
3
12
7637 Road Map   3 79 54.90
20
20
7696 Encryption   3 998 35.93
17
17
7709 Jumping Zippy   3 66 53.82
26
34
7753 Happy Numbers II   3 650 15.93
23
17
7761 Jollo   3 396 40.05
17
9
7805 Kitchen Robot   3 89 32.07
9
9
7859 Upper Right King (Hard)   3 169 37.13
26
34
7881 Ljutnja   3 638 24.25
34
21
7882 Tabovi   3 333 49.63
34
34
7969 A Knights’ Tale   3 76 23.09
17
17
8044 Fantastic Discovery   3 312 42.68
14
14
8075 Sequence   3 59 26.91
39
39
8105 Dot Product Maximization   3 78 16.54
17
17
8263 Big Pyramid   3 48 61.63
23
23
8277 Number of Prime Strings   3 102 20.03
23
28
8409 Favorite Sub Hair   3 97 39.06
26
26
8720 Looks like Nim - but it is not   3 91 21.37
6
28
8757 Coing tossing   3 164 61.49
12
34
8839 Longest Common Difference Subsequence   3 74 24.88
34
39
8842 Boring Homework   3 153 42.64
17
17
8895 Power Crisis   3 441 33.86
17
13
8930 Party!   3 62 18.68
17
34
8989 Funny programming contest   3 37 21.76
12
23
8991 Number Guessing Game 2   3 131 35.62
17
42
9070 Lightning Conductor   3 655 34.43
9
17
9096 Bob and magical scale   3 71 25.71
26
34
9104 Match the words   3 416 50.31
9
17
9255 Publication   3 42 61.61
23
17
9503 Working in Beijing   3 643 48.98
6
6
9640 Equilibrium   3 252 28.29
9
9
9760 Indomie   3 112 47.90
26
26
10114 Remoteland   3 135 56.00
34
28
10328 TRIVIADOR   3 173 31.08
13
17
10354 Count Strings   3 26 4.13
39
39
10416 Van Helsings gun   3 1444 54.43
6
15
10424 To Poland   3 269 30.52
17
6
10452 Caprica Cities   3 164 38.26
26
17
10519 K12-Bored of Suffixes and Prefixes   3 95 43.61
26
26
10612 Funny Areas   3 97 33.16
34
34
10725 String Subsequence   3 74 17.43
26
26
10958 Vero Dominoes   3 418 45.26
1
23
11165 Magic Strawberries   3 179 22.53
5
13
11300 Fun with numbers   3 299 35.40
12
17

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