list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
66 Cross-country   38 4106 64.51
11
12
151 The Courier   38 1063 35.45
22
23
526 Divisors   38 1707 43.69
14
13
709 The day of the competitors   38 1563 28.79
17
27
3261 Race Against Time   38 1164 24.77
21
21
4408 Build a Fence   38 12315 44.80
4
5
7406 Beehive Numbers   38 9208 58.90
5
9
8612 Penney Game   38 7736 67.21
4
3
10790 G-One Numbers   38 2419 47.61
17
19
14138 Amazing Factor Sequence   38 2347 37.22
11
12
5699 The last digit re-visited   39 7456 31.71
9
9
7212 Find String Roots   39 2174 34.78
12
15
8551 Colours A, B, C, D   39 2163 21.23
10
21
12474 MAXIMUM WOOD CUTTER   39 1560 41.91
15
14
15086 Land Acquisition   39 1480 29.40
24
30
15454 How to Handle the Fans   39 1527 50.50
12
11
23132 Travelling cost   39 1640 33.14
10
8
25893 Longest Perfect Increasing Subsequence   39 700 39.62
8
12
1688 A Very Easy Problem!   40 6166 49.18
12
11
2727 Army Strength   40 14555 41.23
4
4
12880 Sheep   40 1979 46.34
9
10
16420 Even Numbers   40 5276 48.05
6
5
23976 Mohib and series   40 1769 47.06
5
7
7804 Defense of a Kingdom   41 5181 25.22
10
12
16254 Running Median Again   41 1784 22.46
20
16
18532 Tree _order   41 1244 47.40
15
10
705 New Distinct Substrings   42 3835 26.69
26
25
1026 Favorite Dice   42 5461 63.77
4
21
2738 Number Guessing Game   42 4631 62.52
8
13
25942 Ball sum   42 1796 35.25
11
11
41 Play on Words   43 3300 19.56
21
24
51 Fake tournament   43 1810 26.95
18
19
5732 Paradox   43 1239 27.86
16
19
13868 Roads of NITT   43 619 29.29
24
24
3436 Histogram   44 1538 44.29
19
22
4103 Extend to Palindrome   44 2537 30.29
16
17
9805 Be Awesome As Barney Stinson   44 1852 68.26
12
13
10228 Magic Grid   44 1798 26.42
14
19
10286 DOTA HEROES   44 6091 44.91
3
5
10968 LUCIFER Number   44 1558 63.06
21
22
43 Copying Books   45 2827 25.74
19
19
100 Tower of Babylon   45 3088 50.51
19
21
1702 Cleaning Robot   45 1582 34.20
27
19
4942 Integer Factorization (15 digits)   45 3630 32.67
11
11
7169 Pizza   45 6432 29.99
10
8
8545 Subset sum   45 1939 40.09
12
16
10264 Meteors   45 1567 28.17
26
30
12914 Totient Extreme   45 1793 40.18
8
12
96 Shopping   46 3091 44.22
15
11
12183 Help the Commander in Chief   46 914 29.13
15
16

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