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Solution 190252

Submitted on 12 Jan 2013 by Claudio Gelmi

Correct

82Size
Leading solution size is 11.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test
Code Input and Output
1
Pass
 
%%
x = [5 3 3 1 0 9 9 4 4 4 4 5 1 2 2];
r_correct = [1 1 2 1 1 1 2 1 2 3 4 1 1 1 2];
assert(isequal(run_length(x),r_correct))
indices =
     3     7     9    10    11    15
2
Pass
 
%%
x = ones(1,20);
r_correct = 1:20;
assert(isequal(run_length(x),r_correct))
indices =
  Columns 1 through 16
     2     3     4     5     6     7     8     9    10    11    12    13    14    15    16    17
  Columns 17 through 19
    18    19    20
3
Pass
 
%%
x = [1 1 1 2 2 3 4 4 5 5 5];
r_correct = [1 2 3 1 2 1 1 2 1 2 3];
assert(isequal(run_length(x),r_correct))
indices =
     2     3     5     8    10    11
4
Pass
 
%%
x = 1:40;
r_correct = ones(size(x));
assert(isequal(run_length(x),r_correct))
indices =
   Empty matrix: 1-by-0
5
Pass
 
%%
x = [-34 -17*ones(1,100)];
r_correct = [1 1:100];
assert(isequal(run_length(x),r_correct))
indices =
  Columns 1 through 16
     3     4     5     6     7     8     9    10    11    12    13    14    15    16    17    18
  Columns 17 through 32
    19    20    21    22    23    24    25    26    27    28    29    30    31    32    33    34
  Columns 33 through 48
    35    36    37    38    39    40    41    42    43    44    45    46    47    48    49    50
  Columns 49 through 64
    51    52    53    54    55    56    57    58    59    60    61    62    63    64    65    66
  Columns 65 through 80
    67    68    69    70    71    72    73    74    75    76    77    78    79    80    81    82
  Columns 81 through 96
    83    84    85    86    87    88    89    90    91    92    93    94    95    96    97    98
  Columns 97 through 99
    99   100   101