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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
17705 Gopu and Combinatorics on Graphs   1 85 45.42
18246 Maggu and Vectors   -1 85 25.90
17
17
21964 Golf Bot   5 85 36.36
34
27
827 Trigonometric optimization   84 27.33
1
34
1991 Another Continuous Fractions Problem   1 84 19.97
34
17
4203 Double Queue   1 84 41.38
17
17
5511 Heavy Sequences   -1 84 18.41
34
34
7763 Ingenious Metro   84 66.84
8410 Snaky Numbers   2 84 38.82
34
34
8668 THE BLACK AND WHITE QUEENS   2 84 43.03
21
34
9685 Zombie’s Treasure Chest   2 84 13.66
9
17
9972 The SKey   1 84 16.62
17
26
11273 Team Nim   2 84 20.80
9
26
19490 Pair and unpair weightest string   2 84 47.33
9
17
19578 Chipmunks with Brain   4 84 38.64
5
9
21458 Satay Skewer   2 84 28.09
34
17
23969 Helping Jar Jar Binks   6 84 21.95
26
28
26721 I LOVE Kd-TREES III   4 84 17.27
34
34
27248 Funny Modular Sequence   7 84 35.36
15
20
27317 Number of score sequences   8 84 48.54
14
19
28164 Cats Invitation   7 84 28.90
21
15
29363 How many can you sort?   11 84 48.16
10
10
32950 Ada and Plants 2   4 84 50.20
17
17
34502 ZERO TRIPLET   12 84 16.11
17
14
136 Transformation   83 32.18
17
17
2180 Justice League   83 48.97
3577 Parity   3 83 19.98
17
34
8189 Circles On A Screen   83 28.67
10517 K12-Generating Big Numbers II   1 83 45.02
26
17
10585 Searching God   83 25.98
10819 BF Vector   1 83 55.84
1
17
11157 The Great Escape   83 45.79
11509 IPL - CRICKET TOURNAMENT   1 83 25.84
17
17
11577 The Famous ICPC Team Again   1 83 30.89
17
17
12902 Good Luck   1 83 43.49
1
17
13529 Special Graph   5 83 12.43
36
31
13980 Sudoku goblin   2 83 42.62
42
34
16180 Ratar   83 27.27
17
17
18102 New year love story   2 83 26.67
34
34
19996 Moon Safari (medium)   5 83 40.94
24
34
27429 Changu Mangu in a Football Team   3 83 20.19
1
34
27498 Votka and String   3 83 33.53
26
21
33932 Ada and Prime   5 83 22.27
42
26
34025 Palindrome Maker   5 83 58.22
12
17
34615 Sharmeen Loves Substring [ HARD ]   8 83 37.43
17
21
325 The Tall Windmills   82 22.57
34
3981 Shortest Regular Bracket   82 33.78
8329 Road trip   1 82 39.22
26
26
10128 Treasures and Vikings   -1 82 25.06
17
17
11770 Lifesavers   1 82 26.71
17

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