list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
339 Recursive Sequence   75 3650 50.24
20
17
338 Roads   37 1381 23.86
17
22
336 Exchange Operations   1 85 19.74
1
17
334 The Philosophical Dispute   55 40.48
17
17
332 Hard Question   100 30.21
1
34
329 Calls   2 120 28.21
1
17
328 Bishops   82 8926 31.99
14
7
327 Platon and Socrates   50 12.75
9
34
325 The Tall Windmills   82 24.75
34
318 Pythagorean Legacy   29 23.04
1
34
309 The Room Pattern   1 44 15.90
34
17
303 The Unstable Cube   1 45 28.92
17
1
302 Count on Cantor   154 12998 61.31
13
14
301 Booklets   -1 184 41.45
1
1
300 Cable TV Network   2 635 35.88
24
30
297 Aggressive cows   1060 41697 36.09
16
23
296 Teamwork is Crucial   68 31.29
293 Officers on the Beat   11 21.43
292 Alibaba   1 168 23.22
291 Cube Root   1 251 16.64
23
15
290 Polynomial Equations   62 22.90
17
17
288 Prime or Not   73 4985 18.83
21
22
287 Smart Network Administrator   3 447 23.50
23
28
286 Selfish Cities   1 697 39.03
31
31
283 Naptime   586 25.03
17
1
280 Lifts   43 17.38
17
1
279 Interesting number   26 815 24.08
19
24
278 Bicycle   56 13.11
34
1
277 City Game   16 1279 38.85
20
21
275 The Water Ringroad   2 10.00
274 Johnny and the Watermelon Plantation   -1 213 24.36
1
1
272 Cave Exploration   39 10.02
17
1
264 Corporative Network   14 591 24.90
17
19
263 Period   55 2797 39.41
12
17
262 Connections   1 111 28.84
34
34
261 Triangle Partitioning   199 58.11
260 Containers   3 290 45.92
17
14
247 Chocolate   74 5764 44.11
10
18
245 Square Root   4 567 12.99
20
10
243 Stable Marriage Problem   12 1532 40.55
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 15.98
1
1
237 Sums in a Triangle   -13 3571 42.40
28
10
236 Converting number formats   149 42.42
1
1
235 Very Fast Multiplication   23 1262 27.80
26
22
234 Getting Rid of the Holidays (Act I)   95 13.83
17
17
231 The Zebra Crossing   12 2.67
229 Sorting is easy   1 118 19.23
17
1
228 Shamans   139 20.66
9
9

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