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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1167 Move To Invert   13 2458 31.82
8
16
6772 Happy Coins   14 2452 55.24
3
10
8756 Shake Shake Shaky   51 2439 23.86
12
14
2530 Tiling a Grid With Dominoes   60 2431 64.86
16
24
10790 G-One Numbers   38 2413 47.60
17
19
1162 Tic-Tac-Toe ( II )   8 2396 30.37
17
10
10810 Its a Murder!   55 2395 22.10
16
17
178 Road net   12 2387 49.63
9
8
16121 MODIFY SEQUENCE   26 2374 48.47
6
7
10395 Sum of divisors!   25 2373 27.03
16
18
1798 Assistance Required   14 2366 44.95
16
7
14138 Amazing Factor Sequence   38 2347 37.22
11
12
12933 n-divisors   60 2331 19.35
18
17
138 Election Posters   65 2319 25.76
20
21
9034 Help Tohu   12 2316 45.40
5
23
2884 Martian Mining   88 2315 47.74
13
22
101 Fishmonger   48 2313 38.19
17
21
11402 The Indian Connection   19 2296 36.27
8
14
11175 The Ball Game   15 2287 44.08
2
12
15259 Large Knapsack   46 2281 26.07
17
17
203 Potholers   22 2276 26.47
16
12
9493 Advanced Fruits   92 2256 37.49
19
16
7258 Lexicographical Substring Search   32 2253 22.48
23
19
348 Expedition   58 2252 20.67
20
20
6691 Picking Up Chicks   29 2249 32.14
11
18
26 Build the Fence   37 2247 28.06
22
17
364 Pocket Money   53 2244 38.57
15
18
1699 Numeral System   13 2243 67.33
6
3
11372 Blueberries   62 2243 33.61
12
13
7190 Guess the Number   14 2233 33.35
4
9
15436 Slick   52 2231 32.71
9
9
1108 Card Trick   68 2230 50.36
21
24
867 Perfect Cubes   11 2226 47.86
7
5
28305 Ada and Indexing   59 2207 42.21
15
15
4556 Think I will Buy Me a Football Team   30 2186 45.14
7
11
2815 Increasing Subsequences   53 2178 28.14
15
22
9637 Black and White   12 2178 54.17
4
5
12151 Pizzamania   28 2177 28.52
5
4
7212 Find String Roots   39 2174 34.78
12
15
8551 Colours A, B, C, D   39 2163 21.23
10
21
11736 Prime Time   25 2160 48.52
11
12
13388 Easy Jug   24 2155 42.04
6
15
1846 Project File Dependencies   25 2148 41.09
14
15
7430 Tower Of Hanoi - Revisited   13 2142 50.88
8
14
16482 Make them equal !   22 2122 52.83
3
9
22393 KATHTHI   57 2122 33.06
16
17
27307 Alternating Sequences   62 2120 32.58
8
9
13381 Manku Word   31 2113 47.12
13
15
3643 Traffic Network   89 2110 18.27
18
21
726 Promotion   24 2095 28.11
12
8

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