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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
339 Recursive Sequence   75 3627 50.08
20
17
338 Roads   37 1380 23.85
17
22
336 Exchange Operations   1 85 19.74
1
17
334 The Philosophical Dispute   55 40.48
17
17
332 Hard Question   100 30.41
1
34
329 Calls   2 120 28.21
1
17
328 Bishops   82 8915 31.99
14
7
327 Platon and Socrates   49 12.64
9
34
325 The Tall Windmills   82 24.75
34
318 Pythagorean Legacy   27 22.22
1
34
309 The Room Pattern   1 44 15.94
34
17
303 The Unstable Cube   1 44 28.83
17
1
302 Count on Cantor   154 12984 61.34
13
14
301 Booklets   -1 184 41.45
1
1
300 Cable TV Network   2 623 35.63
24
30
297 Aggressive cows   1057 40412 36.10
16
23
296 Teamwork is Crucial   68 31.29
293 Officers on the Beat   11 21.43
292 Alibaba   1 167 23.14
291 Cube Root   1 250 16.63
23
15
290 Polynomial Equations   61 22.79
17
17
288 Prime or Not   73 4930 18.76
21
22
287 Smart Network Administrator   3 446 23.49
23
28
286 Selfish Cities   1 695 38.99
31
31
283 Naptime   577 24.84
17
1
280 Lifts   42 17.13
17
1
279 Interesting number   26 814 24.07
19
24
278 Bicycle   55 12.95
34
1
277 City Game   16 1273 38.83
20
21
275 The Water Ringroad   2 10.26
274 Johnny and the Watermelon Plantation   -1 213 24.37
1
1
272 Cave Exploration   38 9.84
17
1
264 Corporative Network   14 589 24.87
17
19
263 Period   55 2773 39.33
12
17
262 Connections   1 111 28.84
34
34
261 Triangle Partitioning   199 58.22
260 Containers   3 290 45.97
17
14
247 Chocolate   74 5716 44.31
10
18
245 Square Root   4 564 13.03
20
10
243 Stable Marriage Problem   12 1528 40.53
19
22
241 Arranging the Blocks   52 13.04
239 Tour de Byteland   1 85 24.56
17
17
238 Getting Rid of the Holidays (Act II)   81 16.12
1
1
237 Sums in a Triangle   -13 3568 42.39
28
10
236 Converting number formats   149 42.52
1
1
235 Very Fast Multiplication   23 1248 27.82
26
22
234 Getting Rid of the Holidays (Act I)   95 13.84
17
17
231 The Zebra Crossing   12 2.67
229 Sorting is easy   1 118 19.35
17
1
228 Shamans   139 20.66
9
9

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