Cody

# Problem 722. Make a run-length companion vector

Solution 224288

Submitted on 27 Mar 2013
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### Test Suite

Test Status 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))

ans = 1 1 2 1 1 1 2 1 2 3 4 1 1 1 2

2   Pass
%% x = ones(1,20); r_correct = 1:20; assert(isequal(run_length(x),r_correct))

ans = Columns 1 through 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Columns 17 through 20 17 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))

ans = 1 2 3 1 2 1 1 2 1 2 3

4   Fail
%% x = 1:40; r_correct = ones(size(x)); assert(isequal(run_length(x),r_correct))

Error: Assertion failed.

5   Fail
%% x = [-34 -17*ones(1,100)]; r_correct = [1 1:100]; assert(isequal(run_length(x),r_correct))

Error: Assertion failed.