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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
709 The day of the competitors   38 1549 28.84
17
27
4408 Build a Fence   38 12272 44.79
4
5
7212 Find String Roots   38 2154 34.76
12
15
7406 Beehive Numbers   38 9188 58.88
5
9
8612 Penney Game   38 7701 67.19
4
3
14138 Amazing Factor Sequence   38 2332 37.09
11
12
15086 Land Acquisition   38 1364 28.68
24
30
25893 Longest Perfect Increasing Subsequence   38 689 39.41
8
12
5699 The last digit re-visited   39 7450 31.69
9
9
7804 Defense of a Kingdom   39 4974 25.24
10
12
8551 Colours A, B, C, D   39 2159 21.21
10
21
12474 MAXIMUM WOOD CUTTER   39 1555 41.80
15
14
12880 Sheep   39 1840 45.75
9
10
15454 How to Handle the Fans   39 1517 50.36
12
11
23132 Travelling cost   39 1616 32.95
10
8
1688 A Very Easy Problem!   40 6165 49.22
12
11
4103 Extend to Palindrome   40 2412 29.86
16
17
16420 Even Numbers   40 5249 48.06
6
5
23976 Mohib and series   40 1763 47.05
4
7
705 New Distinct Substrings   41 3734 26.39
26
24
16254 Running Median Again   41 1706 22.40
20
16
18532 Tree _order   41 1197 46.94
15
10
41 Play on Words   42 3229 19.40
21
24
1026 Favorite Dice   42 5353 63.65
4
21
2738 Number Guessing Game   42 4630 62.53
8
13
5732 Paradox   42 1223 27.93
16
19
10264 Meteors   42 1384 27.80
26
31
25942 Ball sum   42 1783 35.44
11
11
51 Fake tournament   43 1800 27.23
18
19
10968 LUCIFER Number   43 1468 64.34
21
22
13868 Roads of NITT   43 602 28.96
24
24
100 Tower of Babylon   44 3064 50.47
19
21
3436 Histogram   44 1512 44.38
19
22
9805 Be Awesome As Barney Stinson   44 1833 68.18
12
13
10228 Magic Grid   44 1784 26.31
14
19
10286 DOTA HEROES   44 6057 44.94
3
5
12914 Totient Extreme   44 1759 40.02
8
11
43 Copying Books   45 2774 25.60
19
19
1702 Cleaning Robot   45 1559 34.17
28
20
4942 Integer Factorization (15 digits)   45 3469 32.34
11
11
7169 Pizza   45 6419 29.97
10
8
8545 Subset sum   45 1929 39.99
12
16
96 Shopping   46 3060 44.13
15
11
12183 Help the Commander in Chief   46 908 29.03
15
16
15259 Large Knapsack   46 2250 25.91
17
17
15783 Coder Express 3!!   46 1266 47.60
9
10
26193 Lost and survived   46 831 35.17
16
12
3408 DNA Sequences   47 1983 26.17
16
20
8980 Cost   47 1177 29.28
18
26
11063 AP - Complete The Series (Easy)   47 12993 37.22
3
6

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