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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
36199 Subset with all Digits   15 209 32.31
16
20
44 Substitution Cipher   2 320 13.50
17
17
3 Substring Check (Bug Funny)   8 1064 7.63
42
16
6898 Substring Problem   22 818 15.14
23
23
8222 Substrings   6 1218 29.21
23
26
8747 Substrings II   6 144 10.47
34
30
4003 Subway planning   40 18.08
18167 SubXor   73 1650 30.39
25
29
1110 Sudoku   4 432 38.39
34
1
1833 Sudoku   1 48 32.02
34
34
13980 Sudoku goblin   2 72 40.92
42
34
21360 Suffix Equal Prefix   5 490 28.39
13
13
8735 Suffix Of Cube   1 93 43.09
23530 Suffixes   1 18 24.68
17
17
9125 Suiting Weavers   84 29.38
7676 Sum of Digits   103 4757 38.56
17
20
9066 Sum of Distinct Numbers   24 329 14.25
32
32
10395 Sum of divisors!   25 2338 27.03
16
18
176 Sum of one-sequence   5 665 33.66
11
27
9569 Sum of Pairwise Products   6 826 31.36
4
12
3940 Sum of Primes   3 223 62.58
9
9
18932 Sum of primes (reverse mode)   5 21 17.44
45
45
22455 SUM OF PRODUCT   34 1046 17.79
18
20
6286 Sum of products   10 363 36.58
19
28
11840 Sum of Squares with Segment Tree   53 2016 50.91
23
18
18964 Sum of subsequences   23 24.58
10802 Sum of Tetranacci numbers   4 262 38.84
27
21
4100 Sum of Vectors   -1 101 32.12
50
34
26132 Sum the Decimal-part II   3 50 38.24
17
9
7976 Sum the Square   7 534 25.79
12
15
32192 SUMMATION   10 455 21.43
7
11
14032 Summer Game   2 32 42.74
17
17
27194 Summer Trip   7 214 23.43
10
8
15864 SUMMING   2 8 9.90
17
26
6986 Summing Slopes   60 35.21
2742 Summing Sums   17 904 19.15
16
23
1391 Summing to a Square Prime   16 1415 54.06
12
17
237 Sums in a Triangle   -13 3568 42.39
28
10
27234 Sums of 2 and 3   18 953 35.67
5
10
28288 Super Amoeba   10 195 37.13
20
17
13833 Super Borboletas World   1 6 33.33
34
34
26913 SUPER CELL   1 32 19.34
17
17
2833 Super Dice Game   1 21 10.00
17
34
21057 Super Lucky Palindromes   3 28 30.00
34
34
19216 Super Mario Revisited   6 21 7.23
20
23
57 Supernumbers in a permutation   21 1039 32.48
17
19
36998 Superpowertree   2 22 31.49
17
17
10841 Supplying the Suppliers   1 10 7.43
36896 Supraiden   0 0.00
3363 Svada   10 484 28.70
9
15

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