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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
28308 Ada and Spring Cleaning   54 1563 20.47
18
17
7188 Escape from Jail   12 627 30.91
18
23
28288 Super Amoeba   11 203 37.72
18
16
3436 Histogram   44 1539 44.29
19
22
243 Stable Marriage Problem   12 1563 40.69
19
22
704 Remove The String   13 647 15.23
19
27
962 Intergalactic Map   2 567 23.38
19
28
3387 Changing Maze   13 625 29.76
19
9
10818 Medium Factorization   23 1864 14.45
19
14
16776 Modems   13 217 30.52
19
15
61 Brackets   178 5520 24.43
19
20
10111 Nonnegative Partial Sums   15 533 30.03
19
19
12563 Halt The War   8 400 29.62
19
19
8001 Fibonacci Sum   182 6960 27.88
19
19
18425 Polynomial Multiplication   47 1710 39.51
19
22
25 Pouring water   100 5543 24.33
19
22
3724 Rainbow Ride   8 493 36.00
19
19
4191 Sky Code   13 759 29.35
19
26
7826 Tree Isomorphism   9 594 23.33
19
27
8495 Maximum Subset of Array   7 734 27.88
19
17
9493 Advanced Fruits   92 2257 37.50
19
16
25891 Peculiar Number   14 236 41.63
19
16
6470 Finding the Kth Prime   48 7802 27.21
19
14
18284 Petya and the Road Repairs   60 888 23.96
19
22
100 Tower of Babylon   45 3092 50.53
19
21
8547 Euclids algorithm revisited   28 1459 22.79
19
23
3195 Doors and Penguins   9 241 27.30
19
16
6286 Sum of products   11 383 36.75
19
28
7683 Powered and Squared   8 715 27.17
19
16
15655 Product of factorials   20 1336 23.47
19
19
23237 Feast Coins   11 104 41.76
19
17
25179 Kaos   9 279 40.56
19
25
27369 Gupta ji Birthday !!   9 127 32.80
19
19
279 Interesting number   26 844 24.18
19
24
54 Julka   163 23380 27.53
19
6
3866 Finding Palindromes   7 253 19.33
19
23
14846 Bribe the Prisoners   10 393 31.72
19
21
22329 Chicks   8 96 38.43
19
19
26345 PATHETIC STRINGS   7 72 25.60
19
19
27319 Mangu Numbers   11 114 35.97
19
23
31428 Fibonacci Polynomial   10 131 36.08
19
21
3380 Tourist   28 1143 37.78
19
31
3871 GCD Extreme   81 3017 29.58
19
26
132 Help R2-D2!   12 767 29.63
19
16
8002 Horrible Queries   398 11098 29.80
19
18
3267 D-query   460 13699 28.40
19
23
370 Ones and zeros   152 4505 30.07
19
21
1841 Prime Path   338 10559 57.96
19
18
676 Sorting is not easy   9 540 39.69
19
32
1693 Coconuts   14 964 29.85
19
29

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