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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8651 Alien arithmetic   1 45 18.37
8629 Stock Prices   1 103 45.70
17
17
8628 Selling Land   73 47.78
8627 I2C   35 24.85
8626 Show Me The Fax   1 111 43.20
8625 Just The Simple Fax   1 80 42.15
34
17
8624 Nim-B Sum   -1 631 61.46
9
17
8612 Penney Game   38 7743 67.22
4
3
8611 Non-Decreasing Digits   71 3732 54.84
7
11
8598 Traverse through the board   6 672 53.44
10
11
8596 Wood, Axe and Grass   4 520 57.84
17
11
8594 Tails all the way   293 34.63
8593 Covering the Corral   12 36.96
8591 Prime Permutations   5 110 30.96
28
23
8586 Factorial factorisation   2 45 20.18
17
17
8583 Garden   1 20 61.11
17
34
8578 Reverse the Sequence   1 89 38.72
34
50
8574 Four in a row   2 23 17.12
26
17
8558 Linear Equation Solver   2 22 34.09
17
34
8551 Colours A, B, C, D   39 2165 21.23
10
21
8550 Longest Square Factor   5 75 18.47
21
37
8549 BST again   1 95 17.08
17
34
8547 Euclids algorithm revisited   28 1473 22.86
19
23
8546 Manoj and Pankaj   51 18.32
8545 Subset sum   45 1941 40.11
12
16
8542 Modern Pocket Calculator   35 9.05
28
6
8507 Party Switching   4 246 28.74
6
6
8505 Nacci Fear   6 320 40.37
24
21
8496 No Squares Numbers   18 845 35.11
19
15
8495 Maximum Subset of Array   7 735 27.80
19
17
8491 Messy Phone List   1 54 19.69
34
17
8478 Ancient Pocket Calculator   7 4.25
8467 GRADE POINT AVERAGE   2 634 30.08
8
3
8462 Barn Allocation   1 217 57.08
34
34
8461 Adventure in Moving   44 28.43
17
17
8456 PRIMITIVEROOTS   8 374 46.28
8
20
8449 Plotting functions (variation)   1 24 22.14
17
17
8442 Problem 3   4 728 54.44
4
12
8434 Kolica   2 67 39.81
34
17
8433 Revenge of the squares (variation)   1 490 49.27
17
17
8429 Array Sorting   67 17.23
8428 Grid Tiling   25 23.49
8427 Permutation Game   34 40.38
8426 Trie Expectation   1 170 62.16
9
26
8425 Coloring Trees   10 324 30.46
20
31
8424 Life Game   4 156 52.29
13
5
8423 Recover Polynomials   58 49.68
8422 Maximum Profit   4 923 53.13
9
6
8421 Fun With Inequalities   144 37.89
17
17
8420 Finding Minimum   1 75 36.90
1
17

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