list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
204 Sleepwalker   82 29.10
205 Icerink   6 11.27
206 Bitmap   190 6867 27.14
15
16
207 Three-coloring of binary trees   14 799 35.74
17
15
208 Store-keeper   2 98 15.38
34
34
209 The Map   214 42.97
210 The Altars   42 14.29
211 Primitivus recurencis   199 26.44
212 Water among Cubes   36 984 27.98
23
27
215 Panic in the Plazas   77 19.35
217 Soldiers on Parade   2 120 28.50
26
17
220 Relevant Phrases of Annihilation   511 34.26
224 Vonny and her dominos   4 547 52.23
9
9
226 Jewelry and Fashion   1 17 15.03
34
50
227 Ordering the Soldiers   17 1292 34.25
19
22
228 Shamans   132 20.68
229 Sorting is easy   114 24.87
231 The Zebra Crossing   10 2.57
234 Getting Rid of the Holidays (Act I)   94 13.98
235 Very Fast Multiplication   18 887 31.52
27
22
236 Converting number formats   142 43.57
237 Sums in a Triangle   -8 3402 42.24
26
10
238 Getting Rid of the Holidays (Act II)   77 15.58
239 Tour de Byteland   1 79 24.91
17
17
241 Arranging the Blocks   50 12.64
243 Stable Marriage Problem   10 1174 45.33
19
22
245 Square Root   4 459 15.69
34
13
247 Chocolate   60 3258 48.31
10
17
260 Containers   2 268 45.68
23
17
261 Triangle Partitioning   195 59.56
262 Connections   1 96 27.29
34
34
263 Period   41 1996 44.40
11
18
264 Corporative Network   13 480 27.16
19
21
272 Cave Exploration   1 36 16.48
274 Johnny and the Watermelon Plantation   208 24.21
275 The Water Ringroad   2 12.12
277 City Game   11 1074 40.05
19
21
278 Bicycle   53 14.43
279 Interesting number   23 729 24.55
19
25
280 Lifts   42 18.94
283 Naptime   155 37.40
286 Selfish Cities   1 648 40.21
34
34
287 Smart Network Administrator   3 393 26.34
24
31
288 Prime or Not   37 2973 19.09
22
23
290 Polynomial Equations   55 21.35
291 Cube Root   1 225 16.61
26
13
292 Alibaba   153 22.70
293 Officers on the Beat   8 7.81
296 Teamwork is Crucial   66 30.77
297 Aggressive cows   678 15089 37.94
16
22

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