list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3977 Police Query   8 302 17.37
27
30
10802 Sum of Tetranacci numbers   5 318 38.94
27
21
11848 Power with Combinatorics   8 436 20.36
27
39
15566 Coprime Again   7 73 26.66
27
34
16128 THE INDIAN OCEAN   3 53 9.67
27
27
16282 Horace and his primes   5 263 40.98
27
27
19795 Psycho34 (easy)   7 61 22.81
27
17
30787 Ada and Aphids   11 210 30.60
27
26
32222 Ada and Panels   8 71 44.20
27
37
36860 Epidemic Control   6 36 58.59
27
24
37114 PermRLE   4 15 28.33
27
37
37391 Development Colored   4 21 36.45
27
27
41944 BitPlay69   6 279 31.14
27
27
15648 Commando   26 869 33.51
27
34
1702 Cleaning Robot   45 1593 34.22
27
19
23963 Easy Factorials   10 118 17.21
27
26
30755 Ada and GCD   21 458 21.95
27
15
1329 Matrix   6 414 17.21
28
26
2059 Robotic Sort   5 740 33.19
28
26
3545 Najkraci   6 188 28.92
28
34
3975 Most Servings Meal   8 354 26.37
28
28
6517 Farmer Sepp   7 340 22.08
28
26
18336 Search Bit Sum   8 166 37.34
28
23
30906 Ada and Unique Vegetable   8 492 35.53
28
24
34975 Prime Friendly Numbers   10 45 20.11
28
26
11985 Gao on a tree   26 871 15.26
28
27
11050 R Numbers   17 267 55.65
28
32
237 Sums in a Triangle   -13 3593 42.51
28
10
115 Family   2 79 12.22
28
28
422 Transposing is Even More Fun   2 315 26.04
28
39
898 Transmitters   2 337 49.08
28
17
1448 3D Cover   3 100 27.12
28
17
1475 Play with Digit Seven   3 136 38.22
28
12
1552 Mobiles   192 28.32
28
23
1557 Can you answer these queries II   26 1790 25.05
28
35
1707 Reliable Nets   4 342 31.51
28
23
2051 Cell Phone   4 161 31.43
28
36
2414 Calculate The Cost   8 343 22.37
28
17
2670 Count Minimum Spanning Trees   4 189 17.41
28
39
2678 Closest distance   1 167 13.83
28
34
3732 Slikar   1 213 52.05
28
17
3999 FROGGER   3 104 26.72
28
23
4350 GiĆ” trị lớn nhất 3   15 419 23.50
28
20
4667 Gremlins   3 56 29.10
28
34
5294 Recurrence   2 262 14.44
28
17
6956 IOI2009 Mecho   3 167 18.36
28
23
7022 Cow Patterns   3 128 26.15
28
28
7866 Regular expressions (Hard)   1 140 27.33
28
23
8093 Sevenk Love Oimaster   2 579 24.56
28
28
8391 The Ball   3 126 10.63
28
23

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