list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
22268 Euler Totient Function Sieve   15 211 21.38
25
17
25780 Decreasing Number of Visible Box   15 209 43.44
12
12
26914 Collecting Mango   15 360 23.01
21
21
27268 Count Subsets   15 152 49.47
9
19
27379 Unique Code   15 84 17.10
21
20
28304 Ada and Teams   15 168 49.76
18
15
28306 Ada and Queue   15 678 32.50
14
10
1557 Can you answer these queries II   14 850 27.05
31
35
1754 Divisor Summation (Hard)   14 567 16.50
20
19
3505 Prime Number Theorem   14 1223 27.66
12
14
3944 Bee Walk   14 1231 61.38
10
15
4053 Card Sorting   14 525 44.84
20
27
4181 MELE3   14 539 43.10
20
21
6322 The hunt for Gollum   14 557 23.99
26
17
7423 File Recover Testing   14 698 39.78
7
11
7804 Defense of a Kingdom   14 1387 31.05
6
13
8982 Representatives   14 279 40.93
19
17
9066 Sum of Distinct Numbers   14 225 14.91
29
31
10537 Edit Distance Again   14 2260 43.34
4
6
13745 Crack the Safe   14 513 54.24
14
13
13805 X-MEN   14 779 27.39
16
17
16245 Living with Courage   14 404 38.79
10
15
18174 REAL ROOTS   14 876 60.78
6
11
18714 Can You Make It Empty 2   14 1126 32.36
8
10
20063 Large subsequence Problem   14 378 42.04
9
14
20644 Zero Query   14 248 23.63
26
27
21853 Rivals   14 385 37.19
16
24
23842 Professor Farouk Question   14 537 32.72
11
7
25144 Truncky Numbers   14 232 28.52
17
12
26952 Game Of Ones   14 704 53.38
5
9
29695 GO GOA GONE   14 449 32.76
11
13
30947 Sabbir and gifts   14 160 31.77
19
13
32058 Harbinger vs Sciencepal   14 110 32.34
15
20
32945 Ada and Subsequence   14 443 54.33
6
10
33 Trip   13 1180 21.53
24
15
137 Partition   13 729 38.56
21
20
207 Three-coloring of binary trees   13 783 35.71
17
14
1744 Evaluate the polynomial   13 2423 47.57
6
7
1871 Making A Budget   13 714 49.61
13
17
2007 Another Very Easy Problem! WOW!!!   13 697 40.07
14
29
5980 Matrix Game   13 817 30.42
8
20
7668 Pebble Solver   13 1928 50.14
9
11
9012 Maximum Self-Matching   13 246 41.16
30
32
10293 FANCY NUMBERS   13 1561 52.15
7
8
10442 Candy Distribution   13 3414 37.08
2
4
11402 The Indian Connection   13 2226 36.57
8
14
17761 Gopu and Digits Divisibility   13 2090 43.79
5
4
18273 Encode Integer   13 616 29.18
9
5
25891 Peculiar Number   13 216 41.94
21
17
26212 Keyur and Mohib Tree   13 168 37.93
9
14

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