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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   291 198365 32.77
4
3
2 Prime Generator   610 71669 15.76
15
13
42 Adding Reversed Numbers   101 66528 48.82
6
4
11 Factorial   170 53631 44.96
6
12
24 Small factorials   152 45377 30.13
15
9
4 Transform the Expression   254 40372 48.97
12
11
297 Aggressive cows   1037 34455 35.64
16
23
1112 Number Steps   83 32234 43.24
4
4
3410 Feynman   119 31820 57.94
4
6
7974 What’s Next   49 31663 37.22
2
2
2123 Candy I   92 27314 44.07
3
4
3442 The last digit   183 27260 27.05
9
8
1025 Fashion Shows   31 26440 46.53
2
3
4300 Rectangles   168 25263 50.37
5
8
346 Bytelandian gold coins   538 24857 24.96
11
12
400 To and Fro   89 22701 55.81
14
7
54 Julka   160 21604 27.30
19
6
394 Alphacode   570 21014 26.87
15
15
2148 Candy III   54 19736 25.16
9
5
5 The Next Palindrome   448 19297 10.87
25
18
1436 Is it a tree   334 19149 34.58
10
10
1030 Triple Fat Ladies   104 18366 52.12
4
11
1437 Longest path in a tree   400 17661 38.30
14
15
95 Street Parade   315 17199 28.98
14
11
902 Hangover   54 17186 62.92
3
3
9948 Will it ever stop   117 17034 43.26
4
9
6256 Inversion Count   521 15553 31.26
16
18
3377 A Bug’s Life   339 14366 27.13
12
13
2727 Army Strength   38 14163 41.40
4
4
3375 Stamps   27 13371 41.75
5
3
10509 Cards   75 12848 34.24
3
4
2157 Anti-Blot System   103 12771 45.24
10
5
302 Count on Cantor   153 12714 61.52
13
14
6219 Edit distance   305 12658 33.06
12
18
11063 AP - Complete The Series (Easy)   45 12653 37.50
3
6
1724 Counting Triangles   68 12431 33.76
7
21
1043 Can you answer these queries I   557 12148 17.83
25
24
379 Ambiguous Permutations   70 12088 59.52
4
5
3923 Philosophers Stone   304 12048 43.40
10
11
4408 Build a Fence   36 11918 45.19
4
5
7424 Girls and Boys   91 11777 47.16
4
10
1419 A Game with Numbers   118 11435 61.86
3
10
11814 Eko   167 11252 26.37
13
13
14930 Princess Farida   271 11171 26.89
7
10
4141 Euler Totient Function   142 10833 37.91
8
11
3267 D-query   439 10688 26.28
19
23
1021 Aibohphobia   302 10295 35.99
12
17
8002 Horrible Queries   385 10226 29.16
20
18
32 A Needle in the Haystack   187 9986 37.86
15
13
1841 Prime Path   332 9966 57.89
19
18

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