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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10450 Amoeba   98 17.32
36674 PIZZA   4 416 17.30
1
13
10725 String Subsequence   3 72 17.29
26
26
1458 Help Blue Mary Please! (Act II)   1 80 17.26
15980 Ascending Fibonacci Numbers   23 802 17.26
17
13
25024 Nth Prime   6 91 17.24
34
39
5885 Troops of Sand Monsters   2 107 17.22
17
17
2713 Can you answer these queries IV   60 3912 17.21
21
21
22331 Intersection Query   1 13 17.21
50
34
1329 Matrix   6 410 17.21
28
26
12371 High Mountains   41 17.20
34
34
25182 Acceptable numbers   2 63 17.19
12
23
2670 Count Minimum Spanning Trees   4 180 17.18
28
39
8334 Enumeration of rationals   2 86 17.18
7232 Inversion Sort   5 156 17.14
32
23
2737 Perfect Rhyme   5 357 17.13
27
26
449 Simple Numbers with Fractions Conversion   2 34 17.11
17
17
8549 BST again   1 88 17.10
17
34
4034 Pizza Delivery   53 17.10
22002 English   17 17.09
31099 Ada and CAPTCHA   9 173 17.09
20
16
5467 Finding password   6 182 17.08
26
34
4559 A Day at the Races   122 17.08
10628 Count on a tree   63 2413 17.07
32
31
1433 The Sum   2 281 17.05
39
30
11789 Aliens at the subway   2 67 17.03
23
23
3977 Police Query   8 293 16.98
27
30
13091 Snakes and Ladders   2 102 16.98
21
9
7356 Iterated Bitcount Function   2 35 16.95
42
34
366 Farmer   1 265 16.94
1
1
409 DEL Command   1 73 16.93
17
17
9489 Johny Hates Math   21 16.92
10647 Divide And Conquer   11 16.90
3413 Traveling Shoemaker Problem   2 73 16.87
28
17
31975 Ada and Scarecrow   14 16.84
50
50
2070 Minimum Distance   81 16.84
17
1
7851 Stacks of Zippy   1 17 16.80
34
34
418 Necklace   43 16.76
23963 Easy Factorials   10 112 16.74
27
26
22303 Mau-Mau   5 75 16.67
36
17
22530 Tinku got a job   16 16.67
31976 Ada and Tulips   1 13 16.67
34
34
34812 Kth Power Summation   6 54 16.64
25
19
11582 A Famous Grid   2 186 16.62
17
17
13 Hotline   2 204 16.62
34
23
291 Cube Root   1 251 16.62
23
15
7746 Cocircular Points   59 16.57
42
17
4532 String reduction   2 166 16.56
17
30
9972 The SKey   1 83 16.55
17
26
9260 Perfect Road   12 16.55
17
17

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