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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5832 AND Rounds   51 1702 24.89
17
20
8756 Shake Shake Shaky   51 2456 23.88
12
14
381 106 miles to Chicago   50 3222 36.51
15
14
1799 The Bottom of a Graph   50 1735 32.47
21
21
16909 Critical Edges   50 1921 28.75
13
15
17725 Bad XOR   50 1052 23.85
16
22
31 Fast Multiplication   49 9043 20.71
15
12
372 The Benefactor   49 3099 35.38
12
13
1786 In Danger   49 4395 53.61
7
13
101 Fishmonger   48 2318 38.19
17
21
4110 Fast Maximum Flow   48 3061 34.32
25
22
6470 Finding the Kth Prime   48 7869 27.24
19
14
8217 XOR Maximization   48 1753 23.16
17
28
8980 Cost   48 1264 29.19
18
26
9126 Time to live   48 2058 37.70
12
15
11063 AP - Complete The Series (Easy)   48 13032 37.13
3
6
3408 DNA Sequences   47 1991 26.13
16
20
18425 Polynomial Multiplication   47 1751 39.40
19
22
96 Shopping   46 3100 44.19
15
11
12183 Help the Commander in Chief   46 916 29.10
15
16
15259 Large Knapsack   46 2293 26.11
17
17
15783 Coder Express 3!!   46 1276 47.77
9
10
26193 Lost and survived   46 846 35.46
16
12
43 Copying Books   45 2849 25.81
19
19
100 Tower of Babylon   45 3108 50.62
19
21
1702 Cleaning Robot   45 1593 34.22
27
19
4942 Integer Factorization (15 digits)   45 3695 32.76
11
11
7169 Pizza   45 6438 29.98
10
8
8545 Subset sum   45 1942 40.11
12
16
10264 Meteors   45 1635 28.08
26
30
10968 LUCIFER Number   45 1630 62.38
21
22
12914 Totient Extreme   45 1805 40.27
8
12
3436 Histogram   44 1546 44.27
19
22
4103 Extend to Palindrome   44 2589 30.58
16
17
9805 Be Awesome As Barney Stinson   44 1860 68.30
12
13
10228 Magic Grid   44 1802 26.43
14
19
10286 DOTA HEROES   44 6107 44.90
3
5
41 Play on Words   43 3313 19.60
21
24
51 Fake tournament   43 1819 26.96
18
19
5732 Paradox   43 1241 27.87
16
19
13868 Roads of NITT   43 625 29.39
24
24
705 New Distinct Substrings   42 3895 26.82
26
25
1026 Favorite Dice   42 5492 63.85
4
21
2738 Number Guessing Game   42 4631 62.52
8
13
25942 Ball sum   42 1800 35.19
11
11
7804 Defense of a Kingdom   41 5231 25.17
10
12
16254 Running Median Again   41 1812 22.61
20
16
18532 Tree _order   41 1245 47.28
15
10
1688 A Very Easy Problem!   40 6172 49.09
12
11
2727 Army Strength   40 14567 41.23
4
4

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