list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
15566 Coprime Again   7 65 26.35
27
34
16128 THE INDIAN OCEAN   3 52 9.72
27
27
16282 Horace and his primes   5 260 40.90
27
27
19795 Psycho34 (easy)   7 55 22.27
27
17
22561 Roger and tree III   5 25 11.34
27
27
23969 Helping Jar Jar Binks   5 77 21.28
27
30
30787 Ada and Aphids   11 198 31.23
27
26
31036 Ada and Mulberry   5 113 12.65
27
24
34537 Prime Lover Finding   6 54 27.27
27
23
36860 Epidemic Control   6 29 54.95
27
24
37114 PermRLE   4 10 30.77
27
37
41944 BitPlay69   5 257 31.34
27
27
15648 Commando   26 741 32.40
27
34
23963 Easy Factorials   10 112 16.67
27
26
1329 Matrix   6 410 17.21
28
26
2059 Robotic Sort   5 662 32.30
28
26
3545 Najkraci   6 182 28.79
28
34
3975 Most Servings Meal   8 350 26.37
28
28
6517 Farmer Sepp   7 331 21.92
28
26
18336 Search Bit Sum   8 163 37.20
28
23
30906 Ada and Unique Vegetable   8 408 34.78
28
24
34975 Prime Friendly Numbers   10 41 19.59
28
26
11985 Gao on a tree   26 773 15.06
28
27
30755 Ada and GCD   20 436 21.71
28
15
4350 Giá trị lớn nhất 3   14 409 23.22
28
19
1702 Cleaning Robot   45 1559 34.19
28
20
237 Sums in a Triangle   -13 3576 42.40
28
10
115 Family   2 72 12.10
28
28
422 Transposing is Even More Fun   2 289 25.92
28
39
898 Transmitters   2 301 49.05
28
17
1479 The GbAaY Kingdom   1 125 19.23
28
39
1696 Will Indiana Jones Get There   2 122 26.88
28
23
1707 Reliable Nets   4 339 31.46
28
23
2051 Cell Phone   4 159 31.34
28
36
2414 Calculate The Cost   8 336 22.26
28
17
2670 Count Minimum Spanning Trees   4 180 17.18
28
39
2678 Closest distance   1 160 13.55
28
34
3413 Traveling Shoemaker Problem   2 73 16.87
28
17
3732 Slikar   1 208 51.60
28
17
3999 FROGGER   3 97 27.01
28
23
4667 Gremlins   3 52 28.15
28
34
5294 Recurrence   2 255 14.32
28
17
6956 IOI2009 Mecho   3 162 18.09
28
23
7022 Cow Patterns   3 115 24.60
28
28
7866 Regular expressions (Hard)   1 96 25.00
28
23
8542 Modern Pocket Calculator   35 9.15
28
6
8591 Prime Permutations   5 105 30.95
28
23
11443 Davids Greed   3 249 26.55
28
19
11580 A Famous Game   383 34.13
28
28
12241 Classification from Erdős and Selfridge   5 27 17.59
28
28

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