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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
26647 Factorial and divisorss   12 104 47.29
20
22
1961 Roman Roads   1 103 31.59
9
17
2880 Wild West   103 42.23
17
34
4100 Sum of Vectors   -1 103 29.60
50
34
5152 Brute-force Algorithm EXTREME   2 103 22.25
17
28
8629 Stock Prices   1 103 45.70
17
17
15256 Partition function (EASY)   8 103 39.65
22
27
16284 Game of stones   1 103 57.68
17
34
21807 Path Finding In the Country   2 103 38.60
9
17
149 Fencing in the Sheep   3 102 12.99
34
17
1772 Find The Determinant II   102 30.63
1
50
3110 Palindromic Number   3 102 21.22
9
17
7250 Blocks for kids   2 102 40.56
23
23
7891 Fibonacci Sequence   102 30.56
34
34
8735 Suffix Of Cube   1 102 43.91
9759 GO   4 102 49.05
12
6
10109 Game, Set and Match   102 66.32
10460 A function over factors   1 102 32.78
1
17
11695 A Summatory (HARD)   6 102 29.79
31
29
14831 Your Rank is Pure   2 102 49.01
34
15506 Helping Igor   5 102 34.84
15
12
23492 One piece   4 102 32.67
17
30
33331 Ada and Graft   5 102 50.00
21
21
34616 Taming the Dragon   2 102 32.64
12
17
1725 The Importance   101 38.54
17
17
1879 Game Time   1 101 22.17
34
34
3962 ELEVATOR II   2 101 43.31
9
26
4407 Counting Arborescence   101 34.02
6978 Check 1324   4 101 23.08
17
17
8666 Maximum - Profit -- Version II   1 101 45.00
9
9
9525 Cipher   -1 101 21.10
10113 Regular Convex Polygon   101 30.40
10444 Coding   1 101 35.61
10450 Amoeba   101 17.24
17128 Putnik   2 101 48.67
9
17
20972 Alia and Cryptography   3 101 45.45
30
26
28547 Ada and Easy Game   7 101 28.80
13
26
30396 Easy GCD   9 101 32.08
8
8
234 Getting Rid of the Holidays (Act I)   100 13.81
17
17
1448 3D Cover   3 100 27.12
28
17
10454 Greens Land   100 28.54
10645 The Rail Network Renovation   100 33.39
12304 Smallest Inverse Sum of Divisors   5 100 26.52
17
24
12324 Tiles   3 100 21.57
21
30
350 Landscaping   1 99 30.08
1451 01 Sequence   1 99 28.63
9
26
3070 How many subsequences   1 99 9.90
34
34
3484 Crossbits   3 99 15.25
23
15
4413 Gem   3 99 40.00
23
12
4717 Grid Points in a Triangle   99 46.63

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