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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2530 Tiling a Grid With Dominoes   60 2410 64.84
16
24
8756 Shake Shake Shaky   51 2396 23.81
12
14
10810 Its a Murder!   55 2386 22.06
16
17
178 Road net   12 2376 49.63
9
8
28306 Ada and Queue   28 2376 25.83
11
9
1162 Tic-Tac-Toe ( II )   8 2364 30.32
17
10
16121 MODIFY SEQUENCE   26 2363 48.41
6
7
10395 Sum of divisors!   25 2357 27.08
16
18
1798 Assistance Required   14 2353 45.22
16
7
4164 A conjecture of Paul ErdÅ‘s   24 2338 44.13
16
15
14138 Amazing Factor Sequence   38 2333 37.09
11
12
12933 n-divisors   60 2312 19.31
18
17
9034 Help Tohu   12 2310 45.32
5
23
101 Fishmonger   48 2304 38.15
17
21
2884 Martian Mining   87 2300 47.78
13
22
138 Election Posters   65 2293 25.69
20
21
11402 The Indian Connection   19 2289 36.21
8
14
11175 The Ball Game   15 2282 44.18
2
12
203 Potholers   22 2270 26.45
16
12
15259 Large Knapsack   46 2261 26.01
17
17
10790 G-One Numbers   37 2254 47.79
16
19
364 Pocket Money   53 2241 38.54
15
18
9493 Advanced Fruits   92 2241 37.47
19
16
348 Expedition   58 2239 20.63
20
20
1699 Numeral System   13 2233 67.16
6
3
11372 Blueberries   62 2231 33.57
12
13
26 Build the Fence   37 2229 28.11
22
17
6691 Picking Up Chicks   29 2229 32.16
11
18
7190 Guess the Number   14 2225 33.33
4
9
1108 Card Trick   68 2206 50.40
21
24
867 Perfect Cubes   11 2202 47.79
7
5
4556 Think I will Buy Me a Football Team   30 2177 45.08
7
11
9637 Black and White   12 2168 54.08
4
5
8551 Colours A, B, C, D   39 2161 21.21
10
21
2815 Increasing Subsequences   53 2158 28.11
15
22
11736 Prime Time   25 2157 48.48
11
12
7212 Find String Roots   38 2156 34.74
12
15
12151 Pizzamania   28 2156 28.37
5
4
15436 Slick   52 2155 32.81
9
9
13388 Easy Jug   24 2148 41.99
6
15
7258 Lexicographical Substring Search   30 2146 21.96
23
19
1846 Project File Dependencies   25 2141 41.06
14
15
7430 Tower Of Hanoi - Revisited   13 2128 51.10
8
14
16482 Make them equal !   22 2114 52.82
3
9
3643 Traffic Network   89 2106 18.26
18
21
13381 Manku Word   31 2100 46.98
13
15
27307 Alternating Sequences   62 2098 32.46
8
9
7217 Training for final   26 2093 45.48
8
6
726 Promotion   24 2081 28.14
12
8
8371 TRIANGULAR PRISM   11 2056 69.03
2
7

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