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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9518 The Time of Day   1 37 24.74
17
34
9519 Distinct Submatrices   1 23 20.74
50
50
9520 Tanks   1 14 12.41
34
34
9532 Transportation   1 17 24.05
17
17
9641 Factory of Bridges   1 63 25.81
17
34
9687 Xavier is Learning to Count   1 31 18.55
39
39
9721 2s Complement   1 173 31.83
34
34
9748 Palindromes   1 91 29.27
34
34
9751 Repairing Roads   1 21 11.34
17
34
9860 The Glazier 2   1 38 66.67
17
34
9887 Binomial coefficients   1 154 26.64
34
34
9888 Bird tree   1 297 65.18
34
42
9889 Movie collection   1 213 43.40
50
50
9892 Pool construction   1 90 56.90
1
34
9934 Alice and Bob   1 145 33.39
1
34
9938 Disney Fastpass   1 33 24.12
17
17
9939 Eliminate the Conflict   1 48 40.53
17
17
9943 Isabella Message   1 67 24.08
17
17
9969 Road Network   1 307 22.14
17
9
9972 The SKey   1 83 16.55
17
26
9975 No Stories Any More!   1 46 29.02
34
34
10072 Lights   1 60 47.17
17
34
10073 Darts   1 35 62.86
10079 Stammering Aliens   1 142 31.84
17
17
10085 Palindromic DNA   1 20 29.76
10089 Locks and Keys   1 17 33.75
34
17
10210 After Party Transfers   1 36 4.79
34
28
10229 Save the Students   1 181 25.91
17
17
10231 Wizarding Duel   1 73 19.16
1
1
10235 Array Diversity   1 191 23.92
10236 Generations   1 54 19.35
34
34
10376 String Factorization!   1 43 10.98
26
42
10420 Hardware upgrade   1 53 32.43
34
17
10444 Coding   1 99 35.55
10460 A function over factors   1 97 32.63
1
17
10502 Video game combos   1 330 34.24
34
17
10510 Sorting Machine   1 25 45.45
17
17
10517 K12-Generating Big Numbers II   1 73 46.15
26
17
10572 Cheating on the contest   1 24 6.04
17
34
10573 Problem Offensive Strategy   1 69 24.47
17
17
10579 Desrugenstein   1 116 48.64
17
17
10581 Ball Stacking Again   1 151 31.26
10588 Portal   1 107 34.89
1
1
10644 Serve The Street   1 135 25.25
34
1
10699 Symmetry   1 26 36.63
17
34
10704 The Great Escape   1 33 28.73
34
34
10815 Finally a Treat   1 291 33.67
6
1
10819 BF Vector   1 83 66.67
1
17
10822 The Prime Minister   1 26 13.35
10841 Supplying the Suppliers   1 11 34.68

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