list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8756 Shake Shake Shaky   51 2398 23.81
12
14
381 106 miles to Chicago   50 3175 36.54
15
14
1799 The Bottom of a Graph   50 1726 32.46
21
21
1786 In Danger   49 4371 53.59
7
13
16909 Critical Edges   49 1816 28.62
14
14
17247 Digit Sum   49 3411 36.79
18
22
17725 Bad XOR   49 1036 23.74
16
22
31 Fast Multiplication   48 8930 20.81
15
12
101 Fishmonger   48 2305 38.16
17
21
372 The Benefactor   48 3055 35.44
12
13
4110 Fast Maximum Flow   48 2905 34.25
25
22
6470 Finding the Kth Prime   48 7601 27.25
19
14
8217 XOR Maximization   48 1686 22.88
17
28
8980 Cost   48 1199 29.16
18
26
9126 Time to live   48 2030 37.64
12
15
11063 AP - Complete The Series (Easy)   48 13000 37.21
3
6
3408 DNA Sequences   47 1983 26.17
16
20
18425 Polynomial Multiplication   47 1607 39.31
19
22
96 Shopping   46 3066 44.09
15
11
12183 Help the Commander in Chief   46 910 29.06
15
16
15259 Large Knapsack   46 2266 26.02
17
17
15783 Coder Express 3!!   46 1269 47.65
9
10
26193 Lost and survived   46 832 35.18
16
12
43 Copying Books   45 2794 25.65
19
19
1702 Cleaning Robot   45 1569 34.22
28
20
4942 Integer Factorization (15 digits)   45 3514 32.39
11
11
7169 Pizza   45 6421 29.97
10
8
8545 Subset sum   45 1933 40.02
12
16
12914 Totient Extreme   45 1771 40.07
8
12
100 Tower of Babylon   44 3069 50.45
19
21
3436 Histogram   44 1514 44.30
19
22
9805 Be Awesome As Barney Stinson   44 1835 68.16
12
13
10228 Magic Grid   44 1787 26.34
14
19
10264 Meteors   44 1454 28.19
26
30
10286 DOTA HEROES   44 6070 44.88
3
5
51 Fake tournament   43 1801 27.14
18
19
10968 LUCIFER Number   43 1490 64.21
21
22
13868 Roads of NITT   43 610 29.29
24
24
41 Play on Words   42 3257 19.43
21
24
1026 Favorite Dice   42 5385 63.69
4
21
2738 Number Guessing Game   42 4630 62.53
8
13
5732 Paradox   42 1223 27.93
16
19
25942 Ball sum   42 1789 35.40
11
11
705 New Distinct Substrings   41 3766 26.46
26
24
4103 Extend to Palindrome   41 2449 30.02
16
17
16254 Running Median Again   41 1730 22.36
20
16
18532 Tree _order   41 1197 46.94
15
10
1688 A Very Easy Problem!   40 6164 49.19
12
11
16420 Even Numbers   40 5256 48.09
6
5
23976 Mohib and series   40 1763 47.05
4
7

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