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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
37169 Boba Inversion   10 96 33.70
15
20
14932 Lowest Common Ancestor   230 7377 29.17
15
15
78 Marbles   67 7879 34.95
15
13
15562 Find Lexicographically Smallest Permutation   12 352 40.25
15
13
18467 A Brief Expedition   11 272 54.44
15
15
21692 CURD PRODUCERS   6 524 41.99
15
11
2 Prime Generator   622 78727 16.01
15
13
7691 Homo or Hetero   22 1634 36.13
15
11
9055 Most Frequent Value   28 713 23.27
15
22
9921 ABC Path   159 7402 21.79
15
12
402 Hike on a Graph   8 762 40.21
15
19
744 Longest Permutation   4 601 19.71
15
19
2530 Tiling a Grid With Dominoes   57 2387 64.96
15
23
3105 Power Modulo Inverted   6 987 25.97
15
23
4988 Madrids One Way Streets   5 196 28.68
15
15
5468 Going to school   8 315 35.82
15
34
8869 Roti Prata   61 6825 39.81
15
17
13686 finding maximum possible number   8 355 22.20
15
27
14156 Movie Theatre Madness   8 442 53.19
15
17
14935 Cactus   4 157 18.99
15
15
18176 FRIENDSHIP!!!   15 628 26.97
15
20
23507 Retrovirus   7 89 36.36
15
13
24999 1807   10 519 38.42
15
18
35151 Beautiful Roll Numbers   8 68 63.74
15
8
36667 Solution to all the problems   13 142 20.91
15
11
40083 Just Primes   11 106 29.07
15
17
4201 Coder Ratings   26 1385 35.97
15
18
25780 Decreasing Number of Visible Box   17 245 39.34
15
15
6294 Yodaness Level   74 3519 49.23
15
16
50 Invitation Cards   29 1722 43.00
16
18
9458 Ghosts having fun   7 201 11.63
16
23
10395 Sum of divisors!   25 2339 27.02
16
18
26703 All about Sorting!   10 83 41.55
16
17
30947 Sabbir and gifts   21 350 31.85
16
13
34619 Pizza Prize   6 128 46.17
16
14
10810 Its a Murder!   55 2367 22.03
16
17
22393 KATHTHI   56 1797 32.29
16
17
10471 Aliens at the train, again!   28 811 45.00
16
16
7259 Light Switching   102 4306 32.92
16
15
3964 Investment Money   15 617 25.57
16
17
4164 A conjecture of Paul ErdÅ‘s   23 2098 44.46
16
14
4226 Japan   30 1743 23.26
16
19
13015 Counting Primes   32 1323 21.78
16
14
25773 Bit Difference   18 413 34.64
16
19
26193 Lost and survived   46 827 35.16
16
12
27217 Minimum Sum   13 186 41.12
16
12
34867 Coding Test   8 154 23.82
16
14
28304 Ada and Teams   23 733 38.13
16
15
1798 Assistance Required   14 2341 45.23
16
7
2742 Summing Sums   17 904 18.97
16
23

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