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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
27234 Sums of 2 and 3   18 953 35.68
5
10
27248 Funny Modular Sequence   6 80 35.26
15
20
27261 Matrices with XOR property   8 61 19.90
20
24
27267 Changus Final Battle   8 257 54.64
6
16
27268 Count Subsets   19 213 44.96
10
22
27269 Cube Numbers   29 604 30.74
9
11
27301 2D arrays with XOR property   4 14 43.48
23
39
27303 Count Doubles   3 618 34.45
7
5
27307 Alternating Sequences   62 2089 32.44
8
9
27308 One more weird game   10 393 55.17
3
8
27313 Number of Binary Trees   5 72 46.26
6
17
27317 Number of score sequences   8 78 46.63
14
19
27318 Primal Fear   29 1439 22.36
13
14
27319 Mangu Numbers   10 104 37.14
19
23
27320 Card Game   13 348 38.84
9
14
27321 Increasing numbers   17 547 23.68
13
19
27337 LIS and tree   33 28.87
34
17
27339 Queue of Soldiers   12 45.95
27340 Terrorists   2 17 27.93
34
34
27341 Jumping Joey   1 6 63.64
34
17
27342 Automatic Scholarship Calculation   2 14 56.76
17
17
27367 Game of Squares   16 460 40.84
7
9
27369 Gupta ji Birthday !!   9 122 32.07
19
19
27375 Garden of Mangu   6 84 49.53
19
19
27377 Bono v3   2 62 20.85
12
23
27378 Legend of Heta   2 62 18.33
28
28
27379 Unique Code   21 122 19.26
20
20
27380 Painting Hat   6 252 47.38
11
12
27381 Emoticon   27 794 49.97
8
14
27429 Changu Mangu in a Football Team   3 80 20.00
1
34
27433 Divisible Fibonacci Numbers   1 28 29.15
17
34
27450 Changu with subsequences   7 29 37.39
17
21
27483 Counting Words   3 41 47.79
17
23
27484 Zeros in Fibonacci period   1 12 40.55
27487 Police Men   10 242 42.70
14
14
27491 Bidding Game   5 36.00
27493 Even Frequency   6 70 29.55
17
30
27494 Happiness   5 20.00
27496 Again Eid Salami   2 125 45.60
26
34
27497 Binary Protean Number   5 141 45.52
14
15
27498 Votka and String   3 76 32.19
21
12
27519 Zeros of the fundamental Fibonacci period   8 36.08
27520 Laser   5 38 20.37
17
17
27521 Domino's effect   1 13 41.18
1
9
27561 Greatest Common Divisor Of Three Integers   12 1638 38.95
1
2
27683 Inquire   12 740 54.28
6
4
27942 Product it again   5 117 30.82
23
17
28009 Balance the parentheses   17 20.59
28079 Maximum Child Sum   5 97 22.78
30
30
28163 OR   11 126 21.56
20
20

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