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
414 Equatorial Bonfire   1 79 28.90
34
17
449 Simple Numbers with Fractions Conversion   2 37 15.96
17
17
479 Permutation generator   1 135 28.24
21
17
484 Fossil in the Ice   453 22.40
34
17
698 Plane Hopping   1 289 25.31
17
702 Barn Expansion   157 23.54
1
17
734 Ivan and his interesting game   232 32.93
17
17
898 Transmitters   2 339 49.21
28
17
904 Image Perimeters   3 335 59.38
17
17
912 Submatrix of submatrix   1 174 27.01
34
17
944 Free Tour   19 3.72
34
17
972 Birthday   126 18.75
17
17
987 Mobile   76 16.14
17
17
1166 Dead Fraction   324 23.42
12
17
1335 Maze   67 17.90
17
17
1391 Summing to a Square Prime   16 1429 53.97
12
17
1420 Geometry and a Square   1 276 34.08
9
17
1448 3D Cover   3 100 27.12
28
17
1454 Memory Distribution   27 18.00
34
17
1455 Program Analyser   29 14.57
34
17
1456 The Secret of a Lost City   23 24.17
17
17
1457 Help Blue Mary Please! (Act I)   13 1.74
34
17
1463 Robot Number M   80 46.91
1
17
1464 Editor II   65 18.83
17
17
1468 Outside it is now raining   32 23.33
34
17
1478 The Easiest Problem   75 9.20
17
17
1484 Search in XML   1 20 3.07
17
17
1671 Another Mathematical Problem   69 12.36
1
17
1674 The Explosion   160 24.10
17
17
1683 Expressions   359 39.87
1
17
1685 Grocery store   -1 202 24.26
17
17
1696 Will Indiana Jones Get There   2 129 27.69
26
17
1710 Two Ends   115 3790 41.56
18
17
1712 Permalex   -1 174 19.50
23
17
1715 Another Necklace Problem   52 18.42
17
17
1725 The Importance   101 38.54
17
17
1730 Counting Triangles II   2 404 20.82
17
17
1775 Boolean Logic   1 105 23.35
17
17
1784 IOICamp Sequence   1 325 12.80
1
17
1788 Fractan   50 30.63
17
17
1793 Text Generater II   57 30.59
17
17
1810 Nuclear Plants   22 11.90
17
17
1833 Sudoku   1 54 30.66
17
17
1835 The SetStack Computer   1 171 28.92
26
17
1866 Making Pals   2 203 43.86
9
17
1869 Making Mountains Out Of Molehills   1 17 17.05
34
17
1876 Dragon Curves   2 176 50.23
1
17
1881 Instruction Decoder   2 668 50.81
17
17
1961 Roman Roads   1 103 31.59
9
17
1965 Set Cover   2 25 10.92
1
17

Most popular tags




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