list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8551 Colours A, B, C, D   38 2074 21.37
10
22
23976 Mohib and series   38 1674 46.88
4
7
11373 Coke madness   37 3561 34.51
5
8
25893 Longest Perfect Increasing Subsequence   37 635 38.87
8
12
26 Build the Fence   36 1949 30.50
22
17
338 Roads   36 1291 23.37
17
22
1847 No Change   36 1641 36.01
11
14
2727 Army Strength   36 12998 41.86
4
4
4408 Build a Fence   36 11114 45.00
4
5
6171 Majority   36 5080 42.93
7
7
7212 Find String Roots   36 2016 34.51
11
14
8612 Penney Game   36 7388 67.58
4
3
15454 How to Handle the Fans   36 1407 50.01
11
11
23132 Travelling cost   36 1442 32.15
10
8
151 The Courier   35 935 35.18
23
23
526 Divisors   35 1544 43.44
16
14
2053 Key Task   35 1120 31.78
24
22
3261 Race Against Time   35 835 22.71
21
21
4103 Extend to Palindrome   35 1980 27.94
16
16
7406 Beehive Numbers   35 8610 58.49
4
9
14138 Amazing Factor Sequence   35 2047 36.85
11
12
15086 Land Acquisition   35 991 26.03
23
30
32945 Ada and Subsequence   35 884 48.12
7
8
10239 Between the Mountains   34 5529 38.82
7
7
709 The day of the competitors   33 1431 28.87
18
28
4259 Pilots   33 1478 31.31
17
20
7804 Defense of a Kingdom   33 3215 26.43
10
12
13630 BATMAN1   33 568 38.78
20
22
17247 Digit Sum   33 1530 35.49
18
20
22455 SUM OF PRODUCT   33 955 18.53
18
21
24998 PLAYING WITH BITS   33 694 22.03
13
13
28404 Ada and Field   33 387 23.83
21
17
8132 Street Trees   32 3016 46.80
5
11
10264 Meteors   32 660 24.63
25
31
10381 Search in the dictionary!   32 1195 25.07
17
11
10790 G-One Numbers   32 1254 47.77
17
19
12880 Sheep   32 1462 44.94
9
10
14834 Foxlings   32 933 29.46
18
12
22461 Smallest Number   32 702 26.79
14
15
5652 Snow White and the N dwarfs   31 591 18.62
21
31
9340 Arbitrage   31 1423 38.02
11
17
10108 Distributing Ballot Boxes   31 1102 36.05
12
16
10738 Ra-One Numbers   31 1166 35.21
20
23
11371 Answer the boss!   31 935 34.38
15
15
13015 Counting Primes   31 1019 19.88
16
15
13043 The Mirror of Galadriel   31 5436 64.50
2
3
16211 Boring Factorials   31 1669 34.64
11
17
26607 CODER FIRST PROBLEM   31 1157 58.64
5
7
8 Complete the Sequence!   30 3055 35.22
16
19
666 Con-Junctions   30 845 40.66
14
19

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