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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3942 Cleaning Robot   30 66.15
3943 Nested Dolls   29 1218 23.64
19
26
3944 Bee Walk   18 1423 56.23
11
15
3946 K-th Number   237 5110 34.45
25
27
3948 Polynomial Evaluation - Angry Teacher   -1 30 15.28
50
50
3953 Paid Roads   8 249 26.75
19
26
3961 Journey with Pigs   129 42.90
3962 ELEVATOR II   2 99 42.96
9
26
3964 Investment Money   15 617 25.57
16
17
3965 Minimax Triangulation   58 34.60
3969 M&M Game   12 1288 42.10
4
17
3970 Convert to Decimal Base System   53 40.29
17
17
3972 Stargates   45 13.29
3973 0 0 Pairs   4 800 27.29
15
15
3974 Another Tree Problem   7 643 32.56
17
23
3975 Most Servings Meal   8 349 26.33
28
28
3977 Police Query   8 291 17.08
27
30
3978 Distance Query   68 1668 32.06
24
21
3979 Whirligig number   7 1019 37.93
10
15
3980 Point Visible   1 49 32.22
34
50
3981 Shortest Regular Bracket   80 35.85
3982 String problem   7 604 48.95
9
23
3983 Right Triangle Counting   3 188 18.00
30
21
3999 FROGGER   3 97 27.01
28
23
4000 GALLUP   1 64 44.44
17
34
4003 Subway planning   40 18.08
4004 Exploding CPU   141 46.17
4008 Con Voi   7 62.50
4010 Chặt cây   7 42.86
4021 Bipalindrome   182 30.80
4031 Mass of Molecule   29 2563 48.13
12
9
4033 Phone List   150 6851 31.40
16
14
4034 Pizza Delivery   53 17.10
4035 NERED   2 391 57.64
9
13
4036 Cuckoo Hashing   3 151 27.58
17
6
4038 Counting The Way of Bracket Replacement   7 435 38.74
26
21
4052 Game   75 33.70
4053 Card Sorting   25 678 43.21
21
26
4060 A game with probability   189 21.14
4061 Polygon   4 210 33.46
21
17
4062 Rob Mini-Safe   111 39.21
4063 Sell Pigs   2 396 49.45
26
42
4069 Morphing is Fun   31 23.08
4070 Two Professors   101 14.47
4082 BLAST   30 1743 51.61
8
16
4083 Tele Broadcast   62 49.46
4097 Locomotive   34 44.30
4100 Sum of Vectors   -1 101 32.12
50
34
4103 Extend to Palindrome   40 2338 29.61
16
17
4110 Fast Maximum Flow   47 2804 34.32
25
22

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