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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7560 F - Interesting Ranges   9 25.00
7561 Lexicographic position   1 33 33.86
42
26
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   13 364 21.34
17
23
7579 Power Calculus   286 47.35
34
17
7581 The Best Name for Your Baby   10 34.38
7583 Cubic Eight-Puzzle   1 29 32.17
50
34
7586 Number of Palindromes   9 1351 46.32
13
13
7588 Wise And Miser   69 5421 67.83
8
10
7589 Cave Crisis   11 65.22
7599 Optimal Strategy for the ICPC   8 18.00
7600 Milk Trading   5 183 30.24
1
28
7602 New Game with a Chess Piece   4 226 31.26
17
34
7603 Fibonacci Factor   1 26 26.94
7623 Divisors VI   2 27 14.35
34
34
7627 Driving Direction   10 69.23
7628 Mathematics   2 64 28.57
17
17
7629 Building Ports   42 13.07
7630 SHOPPERS   148 36.54
7632 Architecture   18 22.92
7637 Road Map   3 78 54.68
20
20
7666 Telecommunications   22 24.75
7668 Pebble Solver   15 1998 50.40
8
11
7676 Sum of Digits   105 4852 38.54
17
20
7680 Electrical Engineering   16 34.64
7683 Powered and Squared   8 711 27.13
19
16
7685 Flowers   4 309 30.16
15
24
7691 Homo or Hetero   22 1647 36.22
15
11
7692 Chemistry   69 13.87
7693 Environmental Engineering   11 23.95
7696 Encryption   3 983 35.99
17
17
7704 Civil Engineering   1 634 44.67
9
26
7709 Jumping Zippy   3 66 54.61
26
34
7718 Number of common divisors   86 6992 24.80
12
13
7733 Happy Numbers I   89 9370 53.38
8
8
7734 Twist and whirl - want to cheat   8 238 45.26
24
17
7737 Escape   55 33.85
7739 Sound   12 476 33.62
20
17
7740 Fence   18 27.69
7741 Sequence   7 802 30.18
11
23
7742 Onotole needs your help   138 10095 41.03
4
11
7745 Bingo!   749 38.70
17
1
7746 Cocircular Points   59 16.57
42
17
7753 Happy Numbers II   3 647 15.91
23
17
7757 Flowers Flourish from France   12 3158 52.98
7
2
7758 Growing Strings   173 31.84
7759 Hyperactive Girl   1 106 39.75
26
26
7760 Kids’ Wishes   1 92 31.74
34
1

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