list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
6650 Consecutive sequence   4 324 45.08
20
17
6652 Skiers   35 47.26
6691 Picking Up Chicks   29 2262 32.15
11
18
6711 Transform a Sequence   41 30.94
6819 Yet Another Assignment Problem   1 42 11.26
1
6893 Power Sums   2 107 57.01
26
28
6906 Raining Parabolas   2 257 21.65
26
26
7010 Police Business   6 25.00
7034 Crashing Robots   3 172 48.02
17
1
7035 The Embarrassed Cryptographer   5 358 32.25
13
13
7050 Necklace Decomposition   48 60.61
7107 G Key   4 87 44.98
30
1
7169 Pizza   45 6438 29.98
10
8
7217 Training for final   26 2101 45.57
8
6
7239 Cells   3 81 47.22
17
9
7240 Playground   2 208 41.97
1
6
7249 Perfume   2 115 16.00
1
17
7250 Blocks for kids   2 102 40.56
23
23
7259 Light Switching   102 4700 34.35
16
15
7260 Number Game   1 94 26.01
17
17
7264 Digital LED Number   7 554 28.35
14
4
7335 Spheres   3 129 9.54
17
39
7336 Mastermind   493 36.24
7363 Tree Sum   5 187 36.46
42
45
7378 Manhattan Companies   16 10.96
7380 Factorial challenge   5 344 31.49
14
26
7430 Tower Of Hanoi - Revisited   13 2146 50.92
8
14
7487 Flibonakki   16 867 29.53
21
29
7488 LCM GCD Love   6 187 19.17
17
13
7489 Slow Growing Bacteria   1 87 11.57
17
34
7490 Biology   14 5.93
7563 Hi6   39 16.55
26
26
7586 Number of Palindromes   9 1426 46.68
13
13
7600 Milk Trading   5 186 30.71
1
28
7603 Fibonacci Factor   1 26 25.49
7628 Mathematics   2 67 29.05
17
17
7632 Architecture   20 24.24
7666 Telecommunications   26 28.30
7668 Pebble Solver   15 2009 50.46
8
11
7676 Sum of Digits   106 5038 38.80
17
20
7680 Electrical Engineering   17 33.97
7685 Flowers   4 352 32.98
13
26
7692 Chemistry   72 13.88
7693 Environmental Engineering   38 39.23
7696 Encryption   3 1004 35.88
17
17
7704 Civil Engineering   1 640 44.59
9
26
7709 Jumping Zippy   3 68 54.35
26
34
7718 Number of common divisors   87 7297 24.45
11
13
7733 Happy Numbers I   89 9403 53.36
8
8
7734 Twist and whirl - want to cheat   8 245 45.51
24
17

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