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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
6772 Happy Coins   14 2446 55.34
3
10
8756 Shake Shake Shaky   51 2432 23.84
12
14
28306 Ada and Queue   28 2427 25.86
11
9
2530 Tiling a Grid With Dominoes   60 2425 64.82
16
24
10810 Its a Murder!   55 2393 22.09
16
17
1162 Tic-Tac-Toe ( II )   8 2384 30.34
17
10
178 Road net   12 2381 49.63
9
8
16121 MODIFY SEQUENCE   26 2370 48.44
6
7
10395 Sum of divisors!   25 2369 27.06
16
18
1798 Assistance Required   14 2359 45.16
16
7
14138 Amazing Factor Sequence   38 2341 37.16
11
12
10790 G-One Numbers   37 2329 47.52
16
19
12933 n-divisors   60 2320 19.32
18
17
9034 Help Tohu   12 2314 45.36
5
23
101 Fishmonger   48 2310 38.20
17
21
2884 Martian Mining   87 2308 47.83
13
22
138 Election Posters   65 2307 25.70
20
21
11402 The Indian Connection   19 2294 36.26
8
14
11175 The Ball Game   15 2284 44.12
2
12
15259 Large Knapsack   46 2273 26.06
17
17
203 Potholers   22 2272 26.45
16
12
9493 Advanced Fruits   92 2248 37.44
19
16
348 Expedition   58 2245 20.64
20
20
364 Pocket Money   53 2243 38.56
15
18
1699 Numeral System   13 2240 67.19
6
3
26 Build the Fence   37 2238 28.04
22
17
11372 Blueberries   62 2238 33.62
12
13
6691 Picking Up Chicks   29 2237 32.16
11
18
7190 Guess the Number   14 2232 33.34
4
9
1108 Card Trick   68 2220 50.38
21
24
867 Perfect Cubes   11 2216 47.87
7
5
15436 Slick   52 2216 32.78
9
9
7258 Lexicographical Substring Search   32 2205 22.24
23
19
4556 Think I will Buy Me a Football Team   30 2183 45.12
7
11
9637 Black and White   12 2177 54.16
4
5
7212 Find String Roots   38 2170 34.81
12
15
2815 Increasing Subsequences   53 2169 28.15
15
22
12151 Pizzamania   28 2165 28.44
5
4
8551 Colours A, B, C, D   39 2161 21.20
10
21
11736 Prime Time   25 2158 48.49
11
12
13388 Easy Jug   24 2153 42.01
6
15
1846 Project File Dependencies   25 2142 41.06
14
15
7430 Tower Of Hanoi - Revisited   13 2139 50.89
8
14
16482 Make them equal !   22 2119 52.86
3
9
28305 Ada and Indexing   59 2112 41.90
15
15
13381 Manku Word   31 2111 47.09
13
15
3643 Traffic Network   89 2108 18.26
18
21
27307 Alternating Sequences   62 2104 32.50
8
9
7217 Training for final   26 2093 45.48
8
6
726 Promotion   24 2089 28.10
12
8

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