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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
66 Cross-country   38 4102 64.50
11
12
151 The Courier   38 1058 35.41
22
23
526 Divisors   38 1706 43.68
14
13
709 The day of the competitors   38 1562 28.79
17
27
3261 Race Against Time   38 1145 24.71
21
21
4408 Build a Fence   38 12311 44.80
4
5
7406 Beehive Numbers   38 9207 58.92
5
9
8612 Penney Game   38 7730 67.20
4
3
10790 G-One Numbers   38 2388 47.58
17
19
14138 Amazing Factor Sequence   38 2345 37.20
11
12
5699 The last digit re-visited   39 7454 31.70
9
9
7212 Find String Roots   39 2174 34.81
12
15
8551 Colours A, B, C, D   39 2163 21.23
10
21
12474 MAXIMUM WOOD CUTTER   39 1557 41.87
15
14
15086 Land Acquisition   39 1474 29.39
24
30
15454 How to Handle the Fans   39 1526 50.47
12
11
23132 Travelling cost   39 1635 33.12
10
8
25893 Longest Perfect Increasing Subsequence   39 700 39.62
8
12
1688 A Very Easy Problem!   40 6165 49.18
12
11
2727 Army Strength   40 14550 41.23
4
4
12880 Sheep   40 1970 46.32
9
10
16420 Even Numbers   40 5275 48.05
6
5
23976 Mohib and series   40 1769 47.06
5
7
7804 Defense of a Kingdom   41 5153 25.19
10
12
16254 Running Median Again   41 1782 22.47
20
16
18532 Tree _order   41 1231 47.37
15
10
705 New Distinct Substrings   42 3828 26.67
26
25
1026 Favorite Dice   42 5453 63.76
4
21
2738 Number Guessing Game   42 4630 62.52
8
13
25942 Ball sum   42 1796 35.30
11
11
41 Play on Words   43 3289 19.54
21
24
51 Fake tournament   43 1808 26.96
18
19
5732 Paradox   43 1239 27.86
16
19
13868 Roads of NITT   43 617 29.32
24
24
3436 Histogram   44 1534 44.26
19
22
4103 Extend to Palindrome   44 2529 30.20
16
17
9805 Be Awesome As Barney Stinson   44 1849 68.23
12
13
10228 Magic Grid   44 1796 26.41
14
19
10286 DOTA HEROES   44 6089 44.91
3
5
10968 LUCIFER Number   44 1545 63.44
21
22
43 Copying Books   45 2821 25.74
19
19
100 Tower of Babylon   45 3084 50.50
19
21
1702 Cleaning Robot   45 1581 34.20
28
20
4942 Integer Factorization (15 digits)   45 3609 32.63
11
11
7169 Pizza   45 6432 29.99
10
8
8545 Subset sum   45 1938 40.08
12
16
10264 Meteors   45 1547 28.08
26
30
12914 Totient Extreme   45 1786 40.15
8
12
96 Shopping   46 3088 44.21
15
11
12183 Help the Commander in Chief   46 914 29.13
15
16

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