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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7759 Hyperactive Girl   1 111 39.94
26
26
7760 Kids’ Wishes   1 95 31.93
34
1
7762 Electric Needs   1 25 38.00
34
17
7778 Land Division   1 40 43.50
17
17
7782 Largest Labeled Common Ancestor   1 208 57.44
7851 Stacks of Zippy   1 19 16.41
34
34
7860 Deal or No Deal   1 13 30.77
7861 UFO   1 41 30.21
17
17
7866 Regular expressions (Hard)   1 140 27.33
28
23
7868 Join   1 21 47.31
34
17
7970 Jumping Beans   1 63 27.96
17
17
7971 The Cyber Traveling Salesman   1 38 36.00
34
17
8058 Soccer Teams   1 144 25.54
17
26
8059 Stocks Prediction   1 91 33.33
17
34
8073 The area of the union of circles   1 469 20.52
38
30
8074 God of Number Theory   1 35 37.10
34
50
8099 Crash´s number table   1 189 23.49
34
34
8119 CIRU2   1 175 36.22
34
34
8265 Zero Count   1 15 12.03
50
17
8281 Combination Of Integers   1 69 29.49
17
17
8324 Military patrol   1 57 30.77
34
50
8329 Road trip   1 82 39.22
26
26
8330 Giant fountain   1 37 43.17
1
17
8335 Counting the teams   1 30 34.31
34
50
8398 Quadratic Equation   1 605 29.01
34
17
8418 Revenge of the squares   1 89 36.83
17
17
8419 Traversing Grid   1 341 22.86
17
17
8420 Finding Minimum   1 75 36.90
1
17
8426 Trie Expectation   1 170 62.16
9
26
8433 Revenge of the squares (variation)   1 490 49.27
17
17
8449 Plotting functions (variation)   1 24 22.14
17
17
8462 Barn Allocation   1 220 56.84
34
34
8491 Messy Phone List   1 54 19.69
34
17
8549 BST again   1 95 17.08
17
34
8578 Reverse the Sequence   1 89 38.72
34
50
8583 Garden   1 20 61.11
17
34
8625 Just The Simple Fax   1 80 42.15
34
17
8626 Show Me The Fax   1 111 43.20
8629 Stock Prices   1 103 45.70
17
17
8651 Alien arithmetic   1 45 18.37
8666 Maximum - Profit -- Version II   1 101 45.00
9
9
8667 Board-Queries   1 52 21.51
17
17
8732 Best Fit   1 196 30.84
8734 Charlie and the Chocolate Factory   1 46 18.31
26
34
8735 Suffix Of Cube   1 102 43.91
8759 Alpine Skiing   1 54 38.37
8795 Twenty Questions   1 44 21.94
8841 Avaricious Maryanna   1 77 37.90
8843 Complete the Set   1 57 32.13
1
17
8845 Entertainment   1 52 39.11
34

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