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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10439 Walking Robot   1 114 46.15
34
34
10444 Coding   1 101 35.61
10460 A function over factors   1 102 32.78
1
17
10502 Video game combos   1 398 38.32
34
17
10517 K12-Generating Big Numbers II   1 83 45.02
26
17
10572 Cheating on the contest   1 30 7.40
17
34
10573 Problem Offensive Strategy   1 72 23.25
17
17
10581 Ball Stacking Again   1 158 30.86
10588 Portal   1 110 35.35
1
1
10644 Serve The Street   1 140 26.07
34
1
10699 Symmetry   1 31 31.43
17
34
10704 The Great Escape   1 36 28.72
34
34
10815 Finally a Treat   1 295 33.64
6
1
10819 BF Vector   1 83 55.84
1
17
10822 The Prime Minister   1 29 13.86
10841 Supplying the Suppliers   1 20 40.13
10930 Dixon Dominoes   1 22 25.00
1
1
11267 Arnook Defensive Line   1 45 27.33
34
34
11274 Lights and Switches   1 60 29.84
17
34
11383 Fast Sum of two to an exponent   1 1067 30.24
6
3
11386 Recycled Numbers   1 198 31.86
11495 Ignore the bounds   1 20 16.00
9
9
11509 IPL - CRICKET TOURNAMENT   1 83 25.84
17
17
11517 GAMING ARENA   1 61 40.34
11564 E 23 Stairs pattern   1 140 39.70
17
23
11577 The Famous ICPC Team Again   1 83 30.89
17
17
11642 MAKESUM   1 113 35.51
1
1
11712 Red Cross Hospital   1 21 25.22
34
1
11756 Teaming up for the competition   1 35 33.99
50
50
11770 Lifesavers   1 82 26.71
17
11771 Mountain Cave   1 16 8.31
34
17
11808 Max 2214   1 11 11.70
11813 Count weighted paths   1 23 40.00
11851 Power with Combinatorics(HARD)   1 130 13.20
34
39
11875 Jobs   1 362 38.94
1
17
11899 Queen Game   1 21 22.70
34
17
11901 Paths in a Tree   1 24 26.19
1
34
11921 Ball Stack   1 43 54.78
17
17
11946 Zig-Zag Permutation 2   1 7 25.49
26
34
11948 Dark Assault   1 31 30.47
17
17
11986 ROMAN NUMERALS   1 145 33.76
9
9
12007 Fibonaccibonacci (easy)   1 115 29.17
1
34
12107 All Possible Barns   1 34 25.23
34
34
12240 Multinomial numbers   1 19 39.29
34
17
12370 Generating Alien DNA   1 32 17.00
34
34
12400 Johnnys Empire   1 538 43.46
9
9
12409 Johnny at school   1 74 23.92
17
17
12421 Chocolate Distribution   1 45 23.93
17
17
12436 The One-Dimensional Pool Table   1 63 41.35
1
34
12600 Blade Master   1 16 39.66
34
17

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