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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
740 Treats for the Cows   261 8501 42.61
13
14
31 Fast Multiplication   48 8709 20.70
15
12
27 Sorting Bank Accounts   53 8751 40.42
11
6
345 Mixtures   255 8789 36.44
17
21
4560 The Double HeLiX   147 8798 37.59
11
10
97 Party Schedule   250 8825 36.14
14
16
9861 Hotels Along the Croatian Coast   210 8871 41.58
10
12
328 Bishops   82 8924 32.00
14
7
7406 Beehive Numbers   38 9177 58.88
5
9
10582 subarrays   215 9272 34.30
11
13
7733 Happy Numbers I   89 9350 53.37
8
8
206 Bitmap   245 9391 28.00
15
16
5449 Seinfeld   188 9511 40.08
8
11
7742 Onotole needs your help   138 10060 41.03
4
11
1841 Prime Path   336 10395 57.92
19
18
1021 Aibohphobia   307 10598 36.17
12
17
8002 Horrible Queries   396 10774 29.48
19
18
1716 Can you answer these queries III   233 10831 42.83
22
21
32 A Needle in the Haystack   193 10919 38.19
15
14
4141 Euler Totient Function   144 11481 38.47
8
11
14930 Princess Farida   274 11927 26.97
7
10
1419 A Game with Numbers   118 11971 61.59
3
10
4408 Build a Fence   37 12234 44.77
4
5
7424 Girls and Boys   91 12239 46.91
4
10
379 Ambiguous Permutations   70 12315 59.56
4
5
3267 D-query   452 12467 27.66
19
23
3923 Philosophers Stone   308 12628 43.45
10
11
2157 Anti-Blot System   104 12922 45.25
10
5
11063 AP - Complete The Series (Easy)   47 12977 37.20
3
6
302 Count on Cantor   154 12997 61.31
13
14
1724 Counting Triangles   69 13045 34.03
7
21
6219 Edit distance   305 13089 33.17
12
18
10509 Cards   78 13386 34.09
4
4
1043 Can you answer these queries I   565 13412 18.51
25
24
3375 Stamps   28 13707 41.75
5
3
2727 Army Strength   37 14492 41.23
4
4
11814 Eko   171 15003 26.60
13
13
3377 A Bug’s Life   342 15254 27.40
12
13
6256 Inversion Count   532 16916 31.63
16
18
9948 Will it ever stop   119 17748 43.08
4
9
902 Hangover   56 17777 62.76
3
3
95 Street Parade   317 18174 29.02
14
11
1030 Triple Fat Ladies   106 19058 51.74
4
12
1437 Longest path in a tree   404 19220 38.97
14
14
5 The Next Palindrome   452 19984 10.73
25
18
2148 Candy III   54 20381 25.30
9
5
1436 Is it a tree   337 20460 35.21
10
10
394 Alphacode   577 22128 27.25
15
15
54 Julka   163 22976 27.46
19
6
400 To and Fro   90 23272 55.52
14
7

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