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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2423 Minimal Triangulations of Graphs   27 33.33
2426 Palindromes   9 985 24.35
17
14
2450 Counting Rabbits   8 1212 34.02
10
12
2485 Phone Lines   18 17.80
2511 Magic Program IV   27 17.99
2525 Encoding   3 744 29.02
12
12
2526 Decoding   9 1034 36.32
23
15
2527 Flipping Burned Pancakes   3 258 52.38
17
17
2528 Monkey Vines   4 775 43.31
17
9
2529 Model Rocket Height   1 80 54.27
1
17
2530 Tiling a Grid With Dominoes   57 2384 65.02
15
23
2531 Spatial Concepts Test   1 73 67.52
17
34
2565 Another Permutation Problem   1 56 24.15
34
17
2631 Chomp   108 45.91
2643 Starcraft I   54 22.25
2648 Archiver   1 44 13.46
34
50
2649 Weird sorting   1 58 26.10
1
34
2658 Art of War   17 17.65
2660 Example   1 12 21.43
17
17
2661 Illumination   6 3.40
2662 Put a Point in a Hyperspace   17 11.06
2666 Query on a tree IV   5 669 13.66
38
34
2668 Polygon   1 66 23.21
26
34
2670 Count Minimum Spanning Trees   4 175 17.24
28
39
2699 Recursive Sequence (Version II)   15 981 26.33
26
23
2709 Untitled Problem   27 17.75
2713 Can you answer these queries IV   59 3643 16.90
21
21
2714 Cow Cars   5 646 37.41
14
17
2715 Glasnici   2 313 37.81
23
34
2716 Maximal Quadrilateral Area   -1 6215 50.28
3
8
2727 Army Strength   38 14470 41.25
4
4
2728 Breaking in   7 275 26.42
30
19
2731 Inventing Test Data   3 374 28.12
14
27
2733 K Equal Digits   10 11.96
2734 Large party   34 24.35
2735 Simplify the Railroad System   56 36.02
17
1
2737 Perfect Rhyme   5 331 18.56
27
26
2742 Summing Sums   17 904 19.15
16
23
2743 Prefix Tiling   1 162 27.94
17
34
2815 Increasing Subsequences   52 2145 28.19
14
22
2816 Common Subsequences   5 217 28.61
26
34
2817 Distinct Increasing Subsequences   8 783 24.53
19
26
2826 Round-Robin Scheduling   12 642 36.36
23
22
2829 Time Limit Exceeded   3 244 21.00
34
34
2832 Find The Determinant III   1 284 19.71
17
9
2833 Super Dice Game   1 21 10.00
17
34
2835 Memory Limit Exceeded   1 90 31.34
26
26
2852 Broken Keyboard   19 1189 31.47
14
14
2853 Decode the Strings   5 424 39.63
15
17
2855 Forest   57 12.20

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