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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
36199 Subset with all Digits   18 226 33.39
16
19
44 Substitution Cipher   2 325 13.55
17
17
3 Substring Check (Bug Funny)   8 1068 7.39
42
16
6898 Substring Problem   22 828 15.13
23
23
8222 Substrings   6 1255 29.54
23
26
8747 Substrings II   6 147 10.60
34
30
4003 Subway planning   40 18.08
18167 SubXor   75 1740 30.46
25
29
1110 Sudoku   4 474 38.85
34
1
1833 Sudoku   1 49 32.22
34
34
13980 Sudoku goblin   2 73 41.09
42
34
21360 Suffix Equal Prefix   5 523 29.00
13
13
8735 Suffix Of Cube   1 94 42.08
23530 Suffixes   1 20 26.25
17
17
9125 Suiting Weavers   84 29.38
7676 Sum of Digits   105 4837 38.51
17
20
9066 Sum of Distinct Numbers   26 335 14.34
32
32
10395 Sum of divisors!   25 2351 27.07
16
18
176 Sum of one-sequence   5 666 33.63
11
27
9569 Sum of Pairwise Products   7 827 31.37
6
13
3940 Sum of Primes   3 229 63.17
9
9
18932 Sum of primes (reverse mode)   5 21 17.44
45
45
22455 SUM OF PRODUCT   34 1049 17.64
18
20
6286 Sum of products   10 365 36.40
19
28
11840 Sum of Squares with Segment Tree   54 2030 50.86
23
19
18964 Sum of subsequences   23 24.58
10802 Sum of Tetranacci numbers   4 271 38.89
27
21
4100 Sum of Vectors   -1 101 31.31
50
34
26132 Sum the Decimal-part II   3 50 38.24
17
9
7976 Sum the Square   7 544 25.93
12
15
32192 SUMMATION   11 476 21.64
7
10
14032 Summer Game   2 32 42.02
17
17
27194 Summer Trip   7 216 23.55
10
8
15864 SUMMING   2 8 9.90
17
26
6986 Summing Slopes   60 35.21
2742 Summing Sums   17 912 19.02
16
23
1391 Summing to a Square Prime   16 1417 54.07
12
17
237 Sums in a Triangle   -13 3576 42.40
28
10
27234 Sums of 2 and 3   18 960 35.75
5
10
28288 Super Amoeba   10 195 37.07
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 30 29.91
34
34
19216 Super Mario Revisited   6 21 7.23
20
23
57 Supernumbers in a permutation   22 1067 32.67
17
19
36998 Superpowertree   2 22 31.32
17
17
10841 Supplying the Suppliers   1 11 34.68
36896 Supraiden   0 0.00
3363 Svada   10 490 28.86
9
15

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