list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
11 Factorial   173 57717 44.91
6
12
24 Small factorials   153 49114 29.73
15
9
40 Lifting the Stone   6 1590 23.51
13
16
71 Tree   3 444 28.47
12
9
106 Binary Stirling Numbers   3 2610 36.54
4
17
291 Cube Root   1 250 16.64
23
15
328 Bishops   82 8890 32.02
14
7
902 Hangover   56 17734 62.75
3
3
1002 Uncle Jack   13 2957 39.65
9
8
1391 Summing to a Square Prime   16 1415 54.06
12
17
1681 Cylinder   2 918 38.29
9
26
1709 Swamp Things   285 40.35
1870 Making Labels   -2 1684 59.46
2
10
3184 Game of Lines   8 1299 27.73
14
9
3476 Deposit   2 232 39.00
17
21
3975 Most Servings Meal   8 349 26.33
28
28
4195 GCD Determinant   1 262 45.59
1
34
4200 Hamster flight   13 1148 45.40
5
13
4202 Brackets Parade   232 44.26
4408 Build a Fence   37 12214 44.82
4
5
4410 Repair the Door   58 22.54
4453 Bouncing Balls II   219 27.73
4455 Going to the Movies   86 36.33
4672 Yanu in Movie theatre   12 1672 45.20
2
27
5102 Mystic Craft   54 46.05
5161 Factorial vs Power   14 1111 26.17
13
15
5294 Recurrence   2 255 14.32
28
17
5725 123 Sequence   2 120 23.56
1
1
5978 Frequent Prime Ranges   9 687 29.19
13
13
6290 Robbery 2   7 798 32.75
17
13
6556 N DIV PHI_N   14 732 37.91
5
26
6650 Consecutive sequence   4 320 45.05
20
17
8371 TRIANGULAR PRISM   11 2027 69.69
2
7
8374 PARKET   4 1836 56.12
3
4
9385 Strictly not a Prime   9 363 28.69
17
12
9952 111…1 Squared   8 1744 46.67
5
10
10050 Power Tower City   6 85 68.12
24
28
10232 Distinct Primes   83 5762 45.50
10
9
10293 FANCY NUMBERS   18 1712 50.29
7
9
10575 The Yellow Brick Road   7 1269 49.43
8
5
10712 Easy Calculation   16 1354 35.68
10
14
11354 Amusing numbers   52 3230 59.87
13
15
11736 Prime Time   25 2146 48.45
11
12
12914 Totient Extreme   42 1731 39.95
8
11
13626 Charu and Coin Distribution   7 409 41.24
10
20
13769 Roommate Agreement   50 1451 31.11
11
17
14697 Loop Expectation   11 661 49.09
14
22
15429 Counting Ids   15 1872 50.50
5
5
15965 PLAY WITH MATH   60 6814 46.48
4
5
16102 Can you play carrom !!!   2 212 21.36
15
12

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