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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
66 Cross-country   38 4101 64.49
11
12
151 The Courier   38 1057 35.39
22
23
526 Divisors   38 1705 43.63
14
13
4408 Build a Fence   38 12308 44.80
4
5
7212 Find String Roots   38 2172 34.80
12
15
7406 Beehive Numbers   38 9205 58.91
5
9
8612 Penney Game   38 7728 67.19
4
3
10790 G-One Numbers   38 2378 47.61
17
19
14138 Amazing Factor Sequence   38 2343 37.17
11
12
709 The day of the competitors   39 1562 28.81
17
27
2727 Army Strength   39 14546 41.23
4
4
5699 The last digit re-visited   39 7453 31.70
9
9
8551 Colours A, B, C, D   39 2161 21.22
10
21
12474 MAXIMUM WOOD CUTTER   39 1557 41.84
15
14
15086 Land Acquisition   39 1466 29.34
24
30
15454 How to Handle the Fans   39 1523 50.43
12
11
23132 Travelling cost   39 1633 33.09
10
8
25893 Longest Perfect Increasing Subsequence   39 700 39.62
8
12
1688 A Very Easy Problem!   40 6165 49.18
12
11
12880 Sheep   40 1930 46.12
9
10
16420 Even Numbers   40 5275 48.05
6
5
23976 Mohib and series   40 1769 47.05
5
7
7804 Defense of a Kingdom   41 5130 25.17
10
12
16254 Running Median Again   41 1777 22.43
20
16
18532 Tree _order   41 1203 46.88
15
10
705 New Distinct Substrings   42 3822 26.66
26
25
1026 Favorite Dice   42 5449 63.76
4
21
2738 Number Guessing Game   42 4630 62.52
8
13
25942 Ball sum   42 1796 35.33
11
11
41 Play on Words   43 3285 19.52
21
24
51 Fake tournament   43 1807 26.99
18
19
5732 Paradox   43 1240 27.89
16
19
10968 LUCIFER Number   43 1536 63.48
21
22
13868 Roads of NITT   43 616 29.33
24
24
3436 Histogram   44 1528 44.22
19
22
4103 Extend to Palindrome   44 2516 30.14
16
17
9805 Be Awesome As Barney Stinson   44 1847 68.21
12
13
10228 Magic Grid   44 1795 26.40
14
19
10286 DOTA HEROES   44 6088 44.91
3
5
43 Copying Books   45 2815 25.67
19
19
100 Tower of Babylon   45 3083 50.49
19
21
1702 Cleaning Robot   45 1578 34.19
28
20
4942 Integer Factorization (15 digits)   45 3585 32.55
11
11
7169 Pizza   45 6430 29.98
10
8
8545 Subset sum   45 1938 40.09
12
16
10264 Meteors   45 1541 28.17
26
30
12914 Totient Extreme   45 1784 40.12
8
12
96 Shopping   46 3087 44.21
15
11
12183 Help the Commander in Chief   46 914 29.13
15
16
15259 Large Knapsack   46 2278 26.07
17
17

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