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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   295 212871 33.01
4
3
2 Prime Generator   620 78086 15.98
15
13
42 Adding Reversed Numbers   103 75765 48.42
6
4
11 Factorial   173 57877 44.91
6
12
24 Small factorials   153 49255 29.70
15
9
4 Transform the Expression   257 42680 49.19
12
11
7974 What’s Next   51 39914 35.30
2
2
297 Aggressive cows   1055 39856 36.10
16
23
3410 Feynman   120 33834 57.52
4
6
1112 Number Steps   84 33669 43.24
4
4
3442 The last digit   188 29215 26.94
9
8
2123 Candy I   95 28419 44.19
3
4
1025 Fashion Shows   30 27488 46.37
3
3
4300 Rectangles   174 26549 49.93
5
8
346 Bytelandian gold coins   541 25542 25.11
11
12
400 To and Fro   89 23222 55.54
14
7
54 Julka   161 22864 27.43
19
6
394 Alphacode   575 21946 27.20
15
15
2148 Candy III   54 20339 25.29
9
5
1436 Is it a tree   336 20304 35.17
10
10
5 The Next Palindrome   451 19906 10.74
25
18
1437 Longest path in a tree   403 19003 38.85
14
15
1030 Triple Fat Ladies   106 18997 51.76
4
12
95 Street Parade   317 18023 28.95
14
11
902 Hangover   56 17739 62.74
3
3
9948 Will it ever stop   118 17695 43.12
4
9
6256 Inversion Count   528 16695 31.55
16
18
3377 A Bug’s Life   342 15153 27.32
12
13
11814 Eko   170 14567 26.54
13
14
2727 Army Strength   38 14470 41.25
4
4
3375 Stamps   28 13679 41.74
5
3
10509 Cards   78 13351 34.10
4
4
1043 Can you answer these queries I   564 13283 18.45
25
24
6219 Edit distance   306 13063 33.16
12
18
1724 Counting Triangles   69 13011 34.03
7
21
302 Count on Cantor   154 12973 61.34
13
14
11063 AP - Complete The Series (Easy)   47 12959 37.22
3
6
2157 Anti-Blot System   104 12910 45.24
10
5
3923 Philosophers Stone   308 12556 43.45
10
11
379 Ambiguous Permutations   70 12288 59.53
4
5
3267 D-query   450 12266 27.56
19
23
4408 Build a Fence   37 12215 44.79
4
5
7424 Girls and Boys   91 12213 46.96
4
10
1419 A Game with Numbers   118 11947 61.64
3
10
14930 Princess Farida   273 11822 26.98
7
10
4141 Euler Totient Function   144 11409 38.40
8
11
32 A Needle in the Haystack   192 10800 38.18
15
13
8002 Horrible Queries   396 10701 29.43
19
18
1716 Can you answer these queries III   232 10670 42.72
22
21
1021 Aibohphobia   306 10573 36.17
12
17

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