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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
12880 Sheep   40 2018 46.21
9
10
16420 Even Numbers   40 5279 48.05
6
5
23976 Mohib and series   40 1773 47.07
5
7
5699 The last digit re-visited   39 7471 31.71
9
9
7212 Find String Roots   39 2181 34.82
12
15
8551 Colours A, B, C, D   39 2165 21.23
10
21
12474 MAXIMUM WOOD CUTTER   39 1564 41.85
15
14
15086 Land Acquisition   39 1504 29.48
24
30
15454 How to Handle the Fans   39 1530 50.54
12
11
23132 Travelling cost   39 1645 33.19
10
8
25893 Longest Perfect Increasing Subsequence   39 701 39.65
8
12
66 Cross-country   38 4115 64.54
11
12
151 The Courier   38 1069 35.62
22
23
526 Divisors   38 1715 43.75
14
13
709 The day of the competitors   38 1566 28.81
17
27
3261 Race Against Time   38 1177 24.82
21
21
4408 Build a Fence   38 12327 44.81
4
5
7406 Beehive Numbers   38 9215 58.91
5
9
8612 Penney Game   38 7743 67.22
4
3
10790 G-One Numbers   38 2549 47.54
17
19
14138 Amazing Factor Sequence   38 2351 37.25
11
12
26 Build the Fence   37 2267 28.14
22
17
338 Roads   37 1398 23.96
17
22
1811 Longest Common Substring   37 3531 22.38
20
19
1847 No Change   37 1684 36.16
11
14
2053 Key Task   37 1188 31.78
24
22
9340 Arbitrage   37 1950 39.50
12
17
11373 Coke madness   37 3879 35.07
5
8
10239 Between the Mountains   36 5822 39.21
7
7
10738 Ra-One Numbers   36 1700 33.49
18
22
32945 Ada and Subsequence   36 1050 46.74
7
8
6171 Majority   35 5349 43.19
6
7
22455 SUM OF PRODUCT   35 1081 17.71
18
21
30669 Ada and Trip   35 994 31.07
14
11
4259 Pilots   34 1755 31.69
17
20
8952 Catapult that ball   34 3210 26.33
12
12
10381 Search in the dictionary!   34 1437 26.14
17
11
14834 Foxlings   34 1306 29.56
18
12
16211 Boring Factorials   34 1915 34.84
12
17
18185 Give Away   34 1353 22.49
20
19
22461 Smallest Number   34 775 27.58
13
15
24998 PLAYING WITH BITS   34 796 22.00
13
13
26607 CODER FIRST PROBLEM   34 1378 56.53
6
7
4206 Fast Maximum Matching   33 2091 29.47
22
19
5977 Weird Function   33 1155 18.97
18
16
8132 Street Trees   33 3081 47.00
6
11
13015 Counting Primes   33 1475 22.55
16
14
13043 The Mirror of Galadriel   33 5980 64.50
2
3
13630 BATMAN1   33 595 38.54
19
22
28404 Ada and Field   33 577 25.39
21
17

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