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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8756 Shake Shake Shaky   51 2383 23.85
12
14
381 106 miles to Chicago   50 3153 36.55
15
14
1799 The Bottom of a Graph   50 1719 32.41
21
21
1786 In Danger   49 4367 53.60
7
13
17247 Digit Sum   49 3206 36.44
18
22
17725 Bad XOR   49 1034 23.74
16
22
31 Fast Multiplication   48 8795 20.73
15
12
101 Fishmonger   48 2297 38.10
17
21
372 The Benefactor   48 3044 35.42
12
13
4110 Fast Maximum Flow   48 2836 34.30
25
22
6470 Finding the Kth Prime   48 7419 27.26
19
14
9126 Time to live   48 2024 37.73
12
15
3408 DNA Sequences   47 1982 26.18
16
20
8217 XOR Maximization   47 1663 22.88
17
28
11063 AP - Complete The Series (Easy)   47 12990 37.21
3
6
16909 Critical Edges   47 1765 28.70
14
15
96 Shopping   46 3052 44.11
15
11
8980 Cost   46 1168 29.30
19
26
12183 Help the Commander in Chief   46 907 29.03
15
16
15259 Large Knapsack   46 2240 25.91
17
17
15783 Coder Express 3!!   46 1266 47.61
9
10
18425 Polynomial Multiplication   46 1558 39.30
19
22
26193 Lost and survived   46 831 35.20
16
12
43 Copying Books   45 2754 25.57
19
19
1702 Cleaning Robot   45 1555 34.19
28
20
4942 Integer Factorization (15 digits)   45 3439 32.37
11
11
7169 Pizza   45 6418 29.96
10
8
8545 Subset sum   45 1928 39.98
12
16
100 Tower of Babylon   44 3057 50.50
19
21
3436 Histogram   44 1500 44.57
19
22
9805 Be Awesome As Barney Stinson   44 1824 68.31
12
13
10228 Magic Grid   44 1783 26.30
14
19
10286 DOTA HEROES   44 6048 44.97
3
5
12914 Totient Extreme   44 1748 40.05
8
11
10968 LUCIFER Number   43 1449 64.85
21
22
13868 Roads of NITT   43 599 28.98
24
24
41 Play on Words   42 3221 19.40
21
24
51 Fake tournament   42 1795 27.23
18
19
1026 Favorite Dice   42 5296 63.57
4
21
2738 Number Guessing Game   42 4629 62.54
8
13
5732 Paradox   42 1220 27.89
16
19
10264 Meteors   42 1349 27.64
26
31
25942 Ball sum   42 1779 35.50
11
11
705 New Distinct Substrings   41 3713 26.35
26
24
16254 Running Median Again   41 1694 22.32
20
16
18532 Tree _order   41 1196 46.94
15
10
1688 A Very Easy Problem!   40 6165 49.23
12
11
4103 Extend to Palindrome   40 2378 29.78
16
17
16420 Even Numbers   40 5242 48.06
6
5
23976 Mohib and series   40 1762 47.04
4
7

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