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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
204 Sleepwalker   90 26.77
1
1
205 Icerink   8 12.94
206 Bitmap   245 9387 27.99
15
16
207 Three-coloring of binary trees   16 875 35.96
20
17
208 Store-keeper   2 116 13.71
34
26
209 The Map   238 40.21
1
1
210 The Altars   47 15.90
17
1
211 Primitivus recurencis   233 26.60
1
17
212 Water among Cubes   51 1498 25.92
25
27
215 Panic in the Plazas   83 20.53
34
34
217 Soldiers on Parade   2 123 28.11
17
12
220 Relevant Phrases of Annihilation   644 22.82
26
26
224 Vonny and her dominos   6 663 51.86
8
8
226 Jewelry and Fashion   1 20 27.27
34
50
227 Ordering the Soldiers   21 1443 33.15
21
23
228 Shamans   139 20.66
9
9
229 Sorting is easy   1 118 19.30
17
1
231 The Zebra Crossing   12 2.67
234 Getting Rid of the Holidays (Act I)   95 13.84
17
17
235 Very Fast Multiplication   23 1254 27.83
26
22
236 Converting number formats   149 42.42
1
1
237 Sums in a Triangle   -13 3570 42.40
28
10
238 Getting Rid of the Holidays (Act II)   81 15.98
1
1
239 Tour de Byteland   1 85 24.56
17
17
241 Arranging the Blocks   52 13.04
243 Stable Marriage Problem   12 1532 40.55
19
22
245 Square Root   4 565 13.02
20
10
247 Chocolate   74 5745 44.23
10
18
260 Containers   3 290 45.92
17
14
261 Triangle Partitioning   199 58.22
262 Connections   1 111 28.84
34
34
263 Period   55 2790 39.39
12
17
264 Corporative Network   14 590 24.89
17
19
272 Cave Exploration   39 10.02
17
1
274 Johnny and the Watermelon Plantation   -1 213 24.37
1
1
275 The Water Ringroad   2 10.00
277 City Game   16 1276 38.89
20
21
278 Bicycle   56 13.14
34
1
279 Interesting number   26 815 24.08
19
24
280 Lifts   43 17.38
17
1
283 Naptime   579 24.88
17
1
286 Selfish Cities   1 696 39.01
31
31
287 Smart Network Administrator   3 446 23.49
23
28
288 Prime or Not   73 4956 18.80
21
22
290 Polynomial Equations   61 22.79
17
17
291 Cube Root   1 251 16.64
23
15
292 Alibaba   1 167 23.14
293 Officers on the Beat   11 21.43
296 Teamwork is Crucial   68 31.29
297 Aggressive cows   1060 41251 36.09
16
23

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