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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
709 The day of the competitors   39 1553 28.84
17
27
5699 The last digit re-visited   39 7451 31.69
9
9
7804 Defense of a Kingdom   39 5043 25.21
10
12
8551 Colours A, B, C, D   39 2161 21.21
10
21
12474 MAXIMUM WOOD CUTTER   39 1555 41.80
15
14
12880 Sheep   39 1869 45.97
9
10
15454 How to Handle the Fans   39 1521 50.40
12
11
23132 Travelling cost   39 1624 33.01
10
8
25893 Longest Perfect Increasing Subsequence   39 694 39.51
8
12
66 Cross-country   38 4080 64.48
11
12
151 The Courier   38 1051 35.43
22
23
526 Divisors   38 1698 43.56
14
13
2727 Army Strength   38 14526 41.22
4
4
4408 Build a Fence   38 12287 44.80
4
5
7212 Find String Roots   38 2158 34.73
12
15
7406 Beehive Numbers   38 9193 58.89
5
9
8612 Penney Game   38 7710 67.21
4
3
14138 Amazing Factor Sequence   38 2334 37.10
11
12
15086 Land Acquisition   38 1430 29.02
24
30
26 Build the Fence   37 2229 28.09
22
17
338 Roads   37 1392 23.95
17
22
1847 No Change   37 1672 36.21
11
14
2053 Key Task   37 1184 31.76
24
22
3261 Race Against Time   37 1120 24.58
21
21
9340 Arbitrage   37 1861 39.23
12
17
10790 G-One Numbers   37 2268 47.58
16
19
11373 Coke madness   37 3857 34.98
5
8
10239 Between the Mountains   36 5797 39.14
7
7
32945 Ada and Subsequence   36 1029 46.41
7
8
6171 Majority   35 5323 43.13
6
7
10738 Ra-One Numbers   35 1596 33.80
18
22
22455 SUM OF PRODUCT   35 1056 17.65
18
21
1811 Longest Common Substring   34 3278 21.85
20
18
4259 Pilots   34 1673 31.81
17
20
8952 Catapult that ball   34 2998 26.17
12
12
10381 Search in the dictionary!   34 1406 26.01
17
11
14834 Foxlings   34 1170 28.46
18
12
16211 Boring Factorials   34 1882 34.73
12
17
22461 Smallest Number   34 767 27.54
13
15
24998 PLAYING WITH BITS   34 787 21.90
13
13
26607 CODER FIRST PROBLEM   34 1367 56.58
6
7
30669 Ada and Trip   34 919 30.58
14
11
5977 Weird Function   33 1143 18.89
18
16
8132 Street Trees   33 3075 46.95
6
11
13015 Counting Primes   33 1406 22.17
16
14
13043 The Mirror of Galadriel   33 5954 64.45
2
3
13630 BATMAN1   33 587 38.62
19
22
18185 Give Away   33 1159 21.94
20
19
28404 Ada and Field   33 561 25.47
21
17
8 Complete the Sequence!   32 4428 37.16
16
18

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