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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   288 196584 32.73
4
3
2 Prime Generator   609 70488 15.68
15
13
42 Adding Reversed Numbers   100 65470 48.79
6
4
11 Factorial   169 52740 44.95
6
12
24 Small factorials   152 44502 30.11
15
9
4 Transform the Expression   254 39870 48.98
12
11
297 Aggressive cows   1032 33790 35.67
16
23
1112 Number Steps   83 31601 43.22
4
4
3410 Feynman   119 31160 58.12
4
6
7974 What’s Next   49 30864 37.20
2
2
2123 Candy I   92 26877 44.06
3
4
3442 The last digit   183 26690 27.06
9
8
1025 Fashion Shows   31 25930 46.70
2
3
346 Bytelandian gold coins   538 24699 24.94
11
12
4300 Rectangles   168 24686 50.37
5
8
400 To and Fro   89 22503 55.82
14
7
54 Julka   160 21065 27.18
19
6
394 Alphacode   570 20835 26.80
15
15
2148 Candy III   54 19438 25.06
9
5
5 The Next Palindrome   446 19150 10.86
25
18
1436 Is it a tree   333 18959 34.49
10
10
1030 Triple Fat Ladies   104 18004 51.98
4
11
1437 Longest path in a tree   399 17464 38.22
14
14
95 Street Parade   315 17055 28.93
14
11
902 Hangover   54 16866 63.05
3
3
9948 Will it ever stop   117 16636 43.14
4
9
6256 Inversion Count   521 15450 31.25
16
18
3377 A Bug’s Life   337 14231 27.09
12
13
2727 Army Strength   38 13996 41.33
4
4
3375 Stamps   27 13238 41.80
5
3
2157 Anti-Blot System   103 12737 45.22
10
5
302 Count on Cantor   153 12624 61.56
13
14
6219 Edit distance   305 12611 33.05
12
18
10509 Cards   75 12475 34.26
3
4
11063 AP - Complete The Series (Easy)   45 12412 37.55
3
6
1724 Counting Triangles   68 12186 33.61
7
21
1043 Can you answer these queries I   556 12013 17.75
25
24
3923 Philosophers Stone   304 11995 43.35
10
11
379 Ambiguous Permutations   70 11977 59.64
4
5
4408 Build a Fence   36 11703 45.17
4
5
7424 Girls and Boys   91 11593 47.16
4
10
1419 A Game with Numbers   118 11161 61.76
3
10
14930 Princess Farida   271 11092 26.89
7
10
11814 Eko   167 10892 26.36
13
13
4141 Euler Totient Function   142 10705 37.88
8
11
3267 D-query   437 10516 26.15
19
23
1021 Aibohphobia   302 10213 35.90
12
17
8002 Horrible Queries   385 10164 29.15
20
18
1841 Prime Path   332 9887 57.88
19
18
32 A Needle in the Haystack   187 9854 37.77
15
13

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