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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4557 Musical Chairs   23 2497 46.81
9
19
1167 Move To Invert   13 2461 31.80
8
16
6772 Happy Coins   14 2457 55.25
3
10
8756 Shake Shake Shaky   51 2456 23.88
12
14
2530 Tiling a Grid With Dominoes   60 2440 64.85
16
24
1162 Tic-Tac-Toe ( II )   8 2411 30.37
17
10
10810 Its a Murder!   56 2403 22.15
16
16
178 Road net   12 2394 49.63
9
8
10395 Sum of divisors!   25 2383 27.06
16
18
1798 Assistance Required   14 2380 44.79
16
7
16121 MODIFY SEQUENCE   26 2380 48.49
6
7
28305 Ada and Indexing   59 2357 42.93
15
15
14138 Amazing Factor Sequence   38 2351 37.25
11
12
138 Election Posters   65 2343 25.84
20
21
12933 n-divisors   60 2340 19.39
18
17
2884 Martian Mining   89 2328 47.80
13
22
101 Fishmonger   48 2318 38.19
17
21
9034 Help Tohu   12 2317 45.36
5
23
11402 The Indian Connection   19 2298 36.29
8
14
7258 Lexicographical Substring Search   32 2294 22.74
23
19
15259 Large Knapsack   46 2293 26.11
17
17
11175 The Ball Game   15 2291 44.10
2
12
203 Potholers   22 2290 26.51
16
12
15436 Slick   52 2271 32.77
9
9
26 Build the Fence   37 2267 28.14
22
17
348 Expedition   58 2265 20.73
20
20
9493 Advanced Fruits   93 2263 37.52
19
16
6691 Picking Up Chicks   29 2262 32.17
11
18
11372 Blueberries   62 2251 33.64
12
13
364 Pocket Money   53 2248 38.59
15
18
1699 Numeral System   13 2248 67.37
6
3
1108 Card Trick   68 2245 50.38
21
24
867 Perfect Cubes   11 2243 47.88
7
5
7190 Guess the Number   14 2238 33.38
4
9
22393 KATHTHI   58 2213 33.41
16
17
4556 Think I will Buy Me a Football Team   30 2189 45.16
7
11
12151 Pizzamania   28 2187 28.66
5
4
2815 Increasing Subsequences   53 2184 28.16
15
22
9637 Black and White   12 2183 54.18
4
5
7212 Find String Roots   39 2181 34.82
12
15
11736 Prime Time   25 2167 48.59
11
12
8551 Colours A, B, C, D   39 2165 21.23
10
21
13388 Easy Jug   24 2161 42.08
6
15
1846 Project File Dependencies   25 2150 41.10
14
15
7430 Tower Of Hanoi - Revisited   13 2146 50.92
8
14
16482 Make them equal !   22 2130 52.84
3
9
27307 Alternating Sequences   62 2127 32.62
8
9
3643 Traffic Network   89 2120 18.30
18
21
13381 Manku Word   31 2117 47.15
13
15
726 Promotion   24 2102 28.18
12
8

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