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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3587 Prime Again   11 841 16.26
20
15
13 Hotline   2 194 16.36
34
23
4461 A Famous Airport Manager   23 16.36
1960 Rectangles   3 163 16.39
34
28
25480 Invading aliens   14 16.39
4951 Bridges! More bridges!   1 46 16.42
1
34
10621 MONO   22 16.44
26928 The Crossover   9 100 16.45
22
16
25684 Jolly Kingdom   17 16.51
5298 Interval Challenge   4 135 16.52
24
27
9260 Perfect Road   12 16.55
17
17
9972 The SKey   1 83 16.55
17
26
7746 Cocircular Points   59 16.57
42
17
4532 String reduction   2 166 16.62
17
30
11582 A Famous Grid   2 186 16.65
17
17
291 Cube Root   1 251 16.65
23
15
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
40501 A Simple Sieve   3 5 16.67
45
50
418 Necklace   43 16.76
23963 Easy Factorials   10 112 16.81
27
26
31975 Ada and Scarecrow   14 16.86
50
50
13091 Snakes and Ladders   2 101 16.86
21
9
3413 Traveling Shoemaker Problem   2 73 16.87
28
17
9489 Johny Hates Math   21 16.92
409 DEL Command   1 73 16.93
17
17
25024 Nth Prime   6 84 16.98
34
39
34327 Cyclic Counting Gamble   8 16.98
10628 Count on a tree   62 2334 17.00
32
31
1433 The Sum   2 279 17.01
42
34
366 Farmer   1 264 17.01
1
1
2713 Can you answer these queries IV   60 3702 17.01
21
21
11789 Aliens at the subway   2 67 17.03
23
23
31099 Ada and CAPTCHA   9 172 17.05
20
16
8334 Enumeration of rationals   2 85 17.06
4559 A Day at the Races   122 17.08
3977 Police Query   8 291 17.08
27
30
5467 Finding password   6 182 17.08
26
34
22002 English   17 17.09
4034 Pizza Delivery   53 17.10
36674 PIZZA   3 412 17.10
1
15
2670 Count Minimum Spanning Trees   4 175 17.11
28
39
449 Simple Numbers with Fractions Conversion   2 34 17.11
17
17
2737 Perfect Rhyme   5 351 17.12
27
26
280 Lifts   42 17.13
17
1
30756 Ada and Numbering   9 117 17.16
31
34
25001 Red Blue Line Segments   2 239 17.17
28
26
7337 Shuffling   20 17.18
41215 Diamonds   18 17.19

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