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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10087 Sensor Network   27 20.95
12960 Collision on Christmas Eve   1 47 20.95
12866 Nlogonian Tickets   12 333 20.93
25
24
3002 Electrophoretic   15 20.93
18940 Face the mate   2 161 20.93
17
17
25481 Game of stones II   2 41 20.93
17
17
27377 Bono v3   3 65 20.93
17
26
22530 Tinku got a job   21 20.92
12746 Colorful Circle (EASY)   5 484 20.91
28
23
19288 Sword Game   17 20.91
27261 Matrices with XOR property   8 68 20.91
20
24
16185 Mining your own business   4 634 20.87
34
34
3465 Drive through MegaCity   24 20.86
374 Count maximum matrices   241 20.85
1
17
215 Panic in the Plazas   89 20.84
34
34
15148 play with prime numbers (II)   5 35 20.83
28
23
1466 Blue Mary Needs Help Again   5 226 20.82
30
34
1730 Counting Triangles II   2 404 20.82
17
17
3406 Bases   72 20.81
11273 Team Nim   2 84 20.80
9
26
3579 Disjoint Paths   4 318 20.79
24
27
13165 Totient in permutation (easy)   11 309 20.77
17
17
6700 Make it Smooth   2 73 20.76
17
17
28308 Ada and Spring Cleaning   54 1608 20.76
18
17
8725 Closest Point Pair   30 2068 20.75
18
21
37475 Base Exploration   5 87 20.73
9
12
348 Expedition   58 2265 20.73
20
20
16030 Psycho   13 861 20.72
10
11
31 Fast Multiplication   49 9044 20.71
15
12
12407 Johnny The Gambler   7 963 20.71
8
6
34743 Popatlal ki shaadi   17 315 20.71
14
13
9941 GRE Words   2 129 20.70
34
34
11844 Binary Sequence of Prime Number   6 242 20.69
38
30
23821 Magic Schools   1 29 20.65
34
34
26799 Counter-Smack   3 63 20.65
12
23
14049 Annual Day   1 91 20.65
12
12
5972 Maximum Sum Sequences   14 1160 20.64
15
18
20170 Coloring Segments   5 92 20.64
31
34
104 Highways   2 821 20.59
23
28
28009 Balance the parentheses   19 20.54
10236 Generations   1 57 20.53
34
34
30349 Strange Waca   9 45 20.53
17
22
8073 The area of the union of circles   1 469 20.52
38
30
21463 Arithmetic Rectangle   36 20.52
32843 Ada and TicTacToe   3 52 20.51
28
23
8283 Non-Decreasing Numbers   2 31 20.49
50
50
412 K-path cover   186 20.48
1
50
3360 Digital Image Recognition   28 20.48
23882 Watchers On The Wall   32 20.47
2832 Find The Determinant III   1 308 20.46
17
9

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