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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
18467 A Brief Expedition   11 272 54.44
15
15
21692 CURD PRODUCERS   6 524 41.99
15
11
9921 ABC Path   160 7447 21.78
15
12
2 Prime Generator   626 79225 16.04
15
13
7691 Homo or Hetero   22 1639 36.16
15
11
9055 Most Frequent Value   28 719 23.30
15
22
402 Hike on a Graph   8 763 40.24
15
19
744 Longest Permutation   4 603 19.77
15
19
2530 Tiling a Grid With Dominoes   57 2391 64.97
15
23
3105 Power Modulo Inverted   6 999 26.08
15
23
4988 Madrids One Way Streets   5 196 28.68
15
15
5468 Going to school   8 318 35.85
15
34
8869 Roti Prata   61 6927 39.65
15
17
13686 finding maximum possible number   8 355 22.20
15
27
14156 Movie Theatre Madness   8 442 53.19
15
17
18176 FRIENDSHIP!!!   15 628 26.97
15
20
23507 Retrovirus   7 89 36.36
15
13
24999 1807   10 520 38.46
15
18
35151 Beautiful Roll Numbers   8 69 63.95
15
8
36667 Solution to all the problems   13 143 20.99
15
11
40083 Just Primes   11 108 29.20
15
17
4201 Coder Ratings   26 1386 35.98
15
18
6294 Yodaness Level   74 3524 49.20
15
16
50 Invitation Cards   29 1726 42.95
16
18
9458 Ghosts having fun   7 202 11.67
16
23
10395 Sum of divisors!   25 2342 27.03
16
18
14935 Cactus   5 160 19.12
16
14
25780 Decreasing Number of Visible Box   18 246 39.32
16
16
26703 All about Sorting!   10 83 41.55
16
17
30947 Sabbir and gifts   21 351 31.88
16
13
34619 Pizza Prize   6 128 46.17
16
14
10810 Its a Murder!   55 2374 22.04
16
17
10471 Aliens at the train, again!   28 811 45.00
16
16
7259 Light Switching   102 4344 33.06
16
15
22393 KATHTHI   57 1827 32.37
16
17
3964 Investment Money   15 617 25.57
16
17
4164 A conjecture of Paul ErdÅ‘s   23 2139 44.51
16
14
4226 Japan   30 1747 23.28
16
19
13015 Counting Primes   33 1343 21.92
16
14
25773 Bit Difference   18 415 34.73
16
19
26193 Lost and survived   46 829 35.18
16
12
27217 Minimum Sum   13 186 41.12
16
12
34867 Coding Test   8 155 23.91
16
14
28304 Ada and Teams   23 745 38.30
16
15
1798 Assistance Required   14 2343 45.23
16
7
2742 Summing Sums   17 906 18.96
16
23
25784 Bubble Sort   10 636 20.46
16
17
8 Complete the Sequence!   32 4393 37.62
16
18
1538 Making Jumps   11 1442 39.03
16
15
30454 Luke vs. Darth Vader   15 219 22.16
16
15

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