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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
16184 Megatron and his rage   11 1106 32.27
9
9
16138 Deconnecting   57 38.04
1
1
16177 Hashcodes and primes   2 19 44.26
17
17
10444 Coding   1 99 35.55
16214 Pabbu-pneumonia   3 52 22.68
17
26
32940 Alien Language   2 70 39.44
28
34
6731 Coeficientes   2 1253 50.05
10
9
10106 Coin Collecting   44 39.79
346 Bytelandian gold coins   544 25755 25.15
11
12
10355 Coin Tosses   2 388 34.10
1
17
7286 Collect Diamonds   1 16 23.08
26
26
16554 Linearian Colony   12 850 42.80
11
12
19037 Magical colorful cats (easy)   20 20.10
20170 Coloring Segments   5 88 20.64
31
34
13808 Colors   3 25 20.99
9
26
5296 Air Combat   -1 64 14.85
34
1024 Complete Chess Boards   2 529 54.71
17
20
7718 Number of common divisors   86 6932 24.80
12
13
7783 Commuting Functions   44 25.22
45 Commedia dell Arte   2 241 33.79
5
26
11579 Two Famous Companies   2 207 21.00
9
17
2323 Broken Compass   41 13.42
8843 Complete the Set   1 50 31.73
1
17
11723 HELP ABHISHEK(version-II)   34 58.18
5153 Compressed String   40 30.00
397 I Conduit   3 190 15.38
21
21
10399 Conga line   -1 357 35.80
9
9
13398 Contest Hall Preparation   1 336 43.25
15
12
262 Connections   1 111 28.84
34
34
4361 Connected Points   9 52.17
20972 Alia and Cryptography   3 101 43.86
30
26
35669 Consecutive Letters   7 479 26.69
17
20
10447 Contaminated City   69 13.63
1800 Fixed Partition Contest Management   58 35.59
180 How to pack containers   1 100 36.49
1
1
1875 Cool Numbers   6 164 30.38
30
34
22532 Cool Problem   1 16 57.14
1
17
30945 Non Coprime Sequences   2 20 21.08
50
50
30961 Non Coprime Sequences(Hard)   4 16 7.64
34
34
3078 Copying DNA   44 23.53
26314 Corn Headache   7 356 35.54
8
9
264 Corporative Network   14 596 25.01
17
19
8593 Covering the Corral   8 31.58
10628 Count on a tree   63 2413 17.07
32
31
10707 Count on a tree II   65 3054 19.05
31
31
11414 Combat on a tree   2 233 30.08
30
34
11482 Count on a trie   60 23.63
42
50
12964 Count on a treap   9 50.00
13369 Cut on a tree   9 6.53
26799 Counter-Smack   3 56 19.96
12
23

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