list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
204 Sleepwalker   82 27.57
205 Icerink   7 12.33
206 Bitmap   244 8805 27.55
15
16
207 Three-coloring of binary trees   16 852 36.04
20
17
208 Store-keeper   2 100 13.52
34
34
209 The Map   227 43.48
210 The Altars   42 14.29
211 Primitivus recurencis   206 26.16
212 Water among Cubes   50 1335 27.01
25
27
215 Panic in the Plazas   77 19.50
217 Soldiers on Parade   2 119 27.82
26
17
220 Relevant Phrases of Annihilation   562 21.99
17
17
224 Vonny and her dominos   5 617 52.40
9
9
226 Jewelry and Fashion   1 18 14.73
34
50
227 Ordering the Soldiers   21 1395 33.10
19
22
228 Shamans   136 20.51
17
17
229 Sorting is easy   116 23.63
231 The Zebra Crossing   11 2.60
234 Getting Rid of the Holidays (Act I)   93 13.89
235 Very Fast Multiplication   22 1156 28.27
26
22
236 Converting number formats   145 43.11
237 Sums in a Triangle   -13 3518 42.28
27
10
238 Getting Rid of the Holidays (Act II)   77 15.52
239 Tour de Byteland   1 80 24.86
17
17
241 Arranging the Blocks   51 12.70
243 Stable Marriage Problem   11 1493 40.62
19
23
245 Square Root   5 521 13.44
27
11
247 Chocolate   73 5289 45.95
10
18
260 Containers   2 279 45.97
23
17
261 Triangle Partitioning   197 58.20
262 Connections   1 99 27.47
34
34
263 Period   54 2532 38.60
12
17
264 Corporative Network   14 529 24.31
19
21
272 Cave Exploration   1 37 16.97
274 Johnny and the Watermelon Plantation   210 24.27
275 The Water Ringroad   2 11.76
277 City Game   16 1184 38.29
20
21
278 Bicycle   53 14.18
279 Interesting number   25 785 24.07
18
25
280 Lifts   41 18.21
283 Naptime   388 20.51
286 Selfish Cities   1 680 38.88
34
34
287 Smart Network Administrator   3 419 23.09
24
31
288 Prime or Not   67 4368 18.49
22
22
290 Polynomial Equations   53 18.50
291 Cube Root   2 242 16.62
27
17
292 Alibaba   1 157 22.59
293 Officers on the Beat   11 21.43
296 Teamwork is Crucial   66 30.77
297 Aggressive cows   1032 33775 35.67
16
23

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