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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7561 Lexicographic position   21 45.28
7563 Hi6   37 17.90
26
26
7565 Another Sorting Algorithm   1 29 14.60
50
1
7566 Expected Cycle Sums   44 46.40
7567 Divisor Summation Powered   12 358 21.15
17
24
7579 Power Calculus   246 44.72
34
17
7581 The Best Name for Your Baby   10 34.38
7583 Cubic Eight-Puzzle   17 40.98
7586 Number of Palindromes   8 1268 46.03
13
14
7588 Wise And Miser   69 5348 67.81
8
10
7589 Cave Crisis   11 65.22
7599 Optimal Strategy for the ICPC   8 18.37
7600 Milk Trading   5 181 30.18
1
28
7602 New Game with a Chess Piece   4 213 30.68
17
34
7603 Fibonacci Factor   1 26 26.94
7623 Divisors VI   2 23 14.84
34
34
7627 Driving Direction   9 42.86
7628 Mathematics   2 64 28.69
17
17
7629 Building Ports   43 13.48
7630 SHOPPERS   148 34.95
7632 Architecture   18 22.92
7637 Road Map   2 74 54.87
21
17
7666 Telecommunications   22 24.75
7668 Pebble Solver   15 1995 50.40
8
11
7676 Sum of Digits   103 4746 38.57
17
20
7680 Electrical Engineering   16 34.64
7683 Powered and Squared   8 710 27.13
19
16
7685 Flowers   4 306 30.06
15
24
7691 Homo or Hetero   22 1632 36.16
15
11
7692 Chemistry   69 13.87
7693 Environmental Engineering   11 23.95
7696 Encryption   3 968 36.17
17
17
7704 Civil Engineering   1 634 44.67
9
26
7709 Jumping Zippy   3 63 55.17
26
34
7718 Number of common divisors   85 6726 25.03
11
13
7733 Happy Numbers I   89 9330 53.36
8
8
7734 Twist and whirl - want to cheat   8 229 45.06
24
17
7737 Escape   54 33.70
7739 Sound   11 448 32.72
20
17
7740 Fence   19 29.23
7741 Sequence   7 802 30.25
11
23
7742 Onotole needs your help   138 10036 41.01
4
11
7745 Bingo!   749 38.70
17
1
7746 Cocircular Points   59 16.57
42
17
7753 Happy Numbers II   3 646 15.90
23
17
7757 Flowers Flourish from France   12 3140 52.98
7
2
7758 Growing Strings   172 31.78
7759 Hyperactive Girl   1 106 39.75
26
26
7760 Kids’ Wishes   1 92 31.74
34
1
7761 Jollo   3 393 40.10
17
9

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