list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8425 Coloring Trees   10 324 30.46
20
31
21177 Distracted judges   6 324 44.91
13
17
26305 Lights On!   6 323 26.13
17
24
16300 Playing with isosceles triangle   5 322 27.32
13
21
33795 Taskin and apple tree   8 322 27.49
6
6
34013 Seetha’s Unique Game   -1 322 59.15
1
3
16409 Lopov   5 321 28.79
11
14
8505 Nacci Fear   6 320 40.37
24
21
15558 Let us play with strings   7 320 38.41
20
17
33557 Ada and Banquet   4 320 58.51
6
6
25001 Red Blue Line Segments   2 319 19.49
28
26
3579 Disjoint Paths   4 318 20.79
24
27
10802 Sum of Tetranacci numbers   5 318 38.94
27
21
21525 Red John is Back   5 318 53.38
6
17
24689 Fibo and non fibo   10 317 32.65
18
18
30739 Ada and Manure   18 317 58.65
11
22
422 Transposing is Even More Fun   2 315 26.04
28
39
4302 (K,N)-Knight   3 315 25.20
14
24
3863 Area of circles   1 314 29.41
34
34
7101 Charly And Nito   4 314 37.22
13
17
8044 Fantastic Discovery   3 314 42.70
14
14
18917 Dukkar and Pikka   5 314 56.48
7
23
25158 Star   15 314 34.60
12
19
34743 Popatlal ki shaadi   17 314 20.64
14
13
387 Travelling tours   1 312 53.92
30
34
34542 Lord of Light   312 36.00
9
1
1433 The Sum   2 311 17.71
39
30
2832 Find The Determinant III   1 308 20.46
17
9
9969 Road Network   1 308 22.00
17
9
13165 Totient in permutation (easy)   11 308 20.75
17
17
18945 Car with powers   11 308 29.73
23
20
27487 Police Men   10 308 44.21
14
14
419 Transposing is Fun   1 307 36.88
17
26
2005 Minus Operation   8 307 33.47
30
30
1704 Countdown   306 25.66
22
8
9888 Bird tree   1 305 65.36
34
42
2728 Breaking in   8 304 26.86
30
19
67 Cutting out   2 303 40.85
30
27
11300 Fun with numbers   3 303 35.24
12
17
3977 Police Query   8 302 17.37
27
30
86 November Rain   4 301 17.60
21
21
9755 Grey Area   301 62.05
62 The Imp   1 300 31.14
17
23
13866 Discrete Roots   3 300 52.69
20
20
19039 Krypt in Time   -1 299 41.91
34
1
260 Containers   3 298 46.22
17
14
3912 Color a tree   1 298 31.76
17
34
4568 Rotating Rings   1 298 29.72
17
17
19561 New Binary   7 298 42.68
13
26
8786 The Longest Chain of Domino Tiles   5 297 31.93
21
21

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