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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1434 Equation   5 415 33.18
21
26
1802 Edge   3 416 59.72
6
12
10958 Vero Dominoes   3 416 45.01
1
23
20173 Counting Divisors (square)   6 416 21.56
26
36
362 Ignore the Garbage   1 417 43.67
1
17
18245 Maggu and Triangles   -1 417 31.31
1
17
8982 Representatives   20 418 30.79
17
16
145 Aliens   2 419 29.78
34
42
15561 Find Number Of Pair of Friends   9 420 32.02
22
19
1874 Burrows Wheeler Precompression   1 421 33.97
17
26
4273 Train TimeTable   7 421 33.93
14
8
2853 Decode the Strings   5 424 39.63
15
17
17627 Family members   5 424 59.73
9
15
8791 Dynamic LCA   7 425 28.32
27
25
7422 Escape from Jail Again   7 426 41.82
30
32
14871 STUDENTS   9 426 47.62
8
12
15215 David and his Obsession   5 426 41.32
12
9
14923 King Graffs Defense   19 427 25.82
26
30
1110 Sudoku   4 429 38.14
34
1
26575 Grand Reward   8 429 58.61
16
7
27196 Study Room   6 430 52.02
6
8
11848 Power with Combinatorics   8 431 20.26
25
37
2127 Rain   3 432 40.34
17
14
6044 Minimum Diameter Circle   1 432 27.29
34
42
30755 Ada and GCD   20 432 21.82
28
15
6340 ZUMA   6 433 43.14
17
34
14887 Good Travels   27 433 28.45
26
25
35669 Consecutive Letters   8 433 27.29
16
19
484 Fossil in the Ice   434 22.10
34
17
4038 Counting The Way of Bracket Replacement   7 435 38.74
26
21
2128 K-In-A-Row   5 436 33.52
13
9
27225 Knight Move   12 436 29.44
15
14
1700 Traveling by Stagecoach   9 437 37.94
19
17
8073 The area of the union of circles   1 437 20.35
38
30
515 Collatz   1 438 43.40
1
5
3389 The Knights of the Round Circle   3 441 67.25
6
23
8895 Power Crisis   3 441 33.98
17
13
14156 Movie Theatre Madness   7 441 53.24
15
15
20063 Large subsequence Problem   20 441 41.84
10
14
3723 Snooker   4 442 50.00
12
30
14742 Building Bridges(HARD)   10 443 23.83
14
17
71 Tree   3 444 28.47
12
9
4155 OTOCI   2 444 44.71
26
34
12978 SHAPE GAME   3 444 37.66
1
5
287 Smart Network Administrator   3 445 23.47
23
28
3388 Double Near Palindromes   1 447 33.95
17
17
7739 Sound   11 448 32.72
20
17
6236 Matches   8 449 21.93
26
7
32192 SUMMATION   9 450 21.33
8
10
741 Steady Cow Assignment   5 458 30.67
20
31

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