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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7258 Lexicographical Substring Search   28 2051 21.69
23
19
14956 Submerging Islands   104 4421 39.61
13
13
25180 Gyanbabas Admission Test   2 67 19.49
30
38
665 String it out   22 1216 38.76
12
15
2150 Counting Subsequences   12 1023 29.49
8
13
11469 Balanced Cow Subsets   5 334 22.67
37
34
12357 Subset and upset (HARD)   4 127 42.07
21
21
14929 Subsequence   3 172 12.71
9
15
705 New Distinct Substrings   41 3672 26.23
26
24
34973 Yet Another Subset Sum Problem   2 3 3.33
26
34
3749 Subset Sums   73 4012 26.29
17
20
4003 Subway planning   40 18.08
18167 SubXor   73 1651 30.38
25
29
6898 Substring Problem   22 818 15.14
23
23
13980 Sudoku goblin   2 72 40.92
42
34
1110 Sudoku   4 432 38.39
34
1
1833 Sudoku   1 48 32.02
34
34
21360 Suffix Equal Prefix   5 491 28.39
13
13
23530 Suffixes   1 18 24.68
17
17
176 Sum of one-sequence   5 665 33.66
11
27
26132 Sum the Decimal-part II   3 50 38.24
17
9
1296 4 values whose sum is 0   63 5057 24.87
18
14
237 Sums in a Triangle   -13 3568 42.39
28
10
32192 SUMMATION   10 455 21.43
7
11
15864 SUMMING   2 8 9.90
17
26
6286 Sum of products   10 363 36.52
19
28
18932 Sum of primes (reverse mode)   5 21 17.44
45
45
22455 SUM OF PRODUCT   34 1046 17.79
18
20
6986 Summing Slopes   60 35.21
15766 Enjoy Sum with Operations   15 357 27.24
20
26
2742 Summing Sums   17 904 19.15
16
23
57 Supernumbers in a permutation   21 1039 32.48
17
19
36896 Supraiden   0 0.00
10841 Supplying the Suppliers   1 10 7.43
13989 Helping Susy   1 31 28.92
17
17
3363 Svada   10 484 28.70
9
15
25309 Save Area 11   13 123 30.16
4
7
34376 Difference One Swaps   7 72 48.54
13
17
861 Counting inversions   6 458 20.04
34
28
15248 Swap (Easy - Level 2)   15 30.67
1
1
15250 Swap (Hard - Level 1000)   3 6 29.11
34
45
15249 Swap (Medium - Level 200)   6 23.86
9448 Swarm of Polygons   36 35.59
21962 GREAT SWERC   20 57.50
21963 Flowery Trails   3 38 45.87
17
13
21964 Golf Bot   5 81 35.75
34
27
21965 Book Club   1 27 33.71
17
17
21966 Ricochet Robots   3 18 53.33
23
12
21967 City Park   17 44.23
21968 Playing with Geometry   15 66.67
17
1

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