1. Classical
  2. Challenge
  3. Partial
  4. Tutorial
  5. Riddle
  6. Basics

list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8277 Number of Prime Strings   3 112 19.95
23
28
7586 Number of Palindromes   9 1426 46.68
13
13
7718 Number of common divisors   87 7297 24.45
11
13
27313 Number of Binary Trees   6 81 45.96
17
26
15996 Number Magic II   27 26.28
26
17
2125 Number Labyrinth   2 64 25.55
17
17
8991 Number Guessing Game 2   3 132 35.60
17
42
2738 Number Guessing Game   42 4631 62.52
8
13
7260 Number Game   1 94 26.01
17
17
1810 Nuclear Plants   22 11.90
17
17
12056 Nubulsa Expo   9 8.57
25024 Nth Prime   7 114 17.33
34
39
32724 nth number   4 644 24.63
12
11
33777 NT Games   12 77 41.92
19
23
12322 NSquare Sum ( Medium )   64 35.65
30
21
12321 NSquare Sum ( Easy )   3 95 60.22
1
13
86 November Rain   4 301 17.60
21
21
5451 Not So Flat After All   9 1128 42.94
11
10
36668 Not So Blind Escape   2 10 30.12
34
42
2905 Not a Triangle   93 5052 38.67
11
11
11473 NOS   2 188 26.28
1
50
8106 Normalized Form   6 278 36.76
17
17
22343 Norma   2 270 29.04
34
17
10111 Nonnegative Partial Sums   15 534 30.05
19
19
8283 Non-Decreasing Numbers   2 31 20.49
50
50
8611 Non-Decreasing Digits   71 3733 54.84
7
11
30961 Non Coprime Sequences(Hard)   4 17 7.32
34
34
30945 Non Coprime Sequences   2 22 20.43
50
50
35281 Noel and His Reindeer   6 32 35.43
20
14
9975 No Stories Any More!   1 48 30.28
34
34
8496 No Squares Numbers   18 845 35.10
19
15
26778 NO GCD   11 105 22.58
29
38
1847 No Change   37 1684 36.16
11
14
12866 Nlogonian Tickets   12 333 20.93
25
24
11458 Ninja   125 15.62
8624 Nim-B Sum   -1 631 61.46
9
17
9219 Nikhil Problem   2 225 45.88
17
17
15554 Niceness of the string   12 1170 36.63
7
2
6738 Nice Quadrangles   180 40.97
13384 Nice Binary Trees   26 1840 39.88
9
13
34622 NICE SEQUENCES   17 165 50.66
11
13
25959 Next Lexicographically Greater Substring   5 49 22.46
26
26
13055 New Year Train   1 60 56.97
1
17
18102 New year love story   2 83 26.67
34
34
28462 New TAP   1 40 34.18
17
17
13090 New Strategy   3 145 33.53
9
9
25383 New Lottery Game   7 50 19.67
17
15
9434 New Horizons   11 31.75
7602 New Game with a Chess Piece   4 231 31.37
17
34
705 New Distinct Substrings   42 3897 26.82
26
25

Most popular tags




© Spoj.com. All Rights Reserved. Spoj uses Sphere Engine™ © by Sphere Research Labs.