Cody

# Problem 42672. longest sequence of nans

Solution 1693496

Submitted on 16 Dec 2018
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

### Test Suite

Test Status Code Input and Output
1   Fail
x = [ 2 3 1 2 5 6; nan nan 5 nan 6 -9; 5 nan 8 nan 6 5; 8 nan 7 -5 5.8 5; nan 0 0 nan 5 7; nan 5 9 nan 7 nan; nan nan 10 0 nan 6; nan nan 0 1 nan 9]; y_correct = [ 4 3 0 2 2 1]; assert(isequal(longnan(x),y_correct));

rr = 5 6 7 2 3 7 2 5 7 cc = 1 1 1 2 2 2 4 4 5 y = 4 0 0 0 0 0 y = 4 4 0 0 0 0 y = 4 4 0 0 0 0 y = 4 4 0 3 0 0 y = 4 4 0 3 2 0 y = 4 4 0 3 2 1

Assertion failed.

2   Pass
x = eye(3); y_correct = [0 0 0]; assert(isequal(longnan(x),y_correct));

rr = 0×1 empty double column vector cc = 0×1 empty double column vector y = 0 0 0 y = 0 0 0 y = 0 0 0

3   Pass
x = eye(3); x(1,1) = nan; y_correct = [1 0 0]; assert(isequal(longnan(x),y_correct));

rr = 0×1 empty double column vector cc = 0×1 empty double column vector y = 1 0 0 y = 1 0 0 y = 1 0 0

4   Pass
x = [30 39 NaN 1 10 NaN 28 38 47 NaN 9 18 27 NaN 46 NaN NaN 17 NaN NaN 37 5 NaN NaN 25 NaN 36 NaN 13 15 NaN 33 NaN NaN NaN 21 NaN 32 41 43 3 NaN 22 31 NaN 49 2 NaN NaN]; y_correct = [0 2 5 0 3 1 4]; assert(isequal(longnan(x),y_correct));

rr = 3 1 2 3 4 3 4 4 5 6 cc = 2 3 3 3 3 5 5 7 7 7 y = 0 0 0 0 0 0 0 y = 0 2 0 0 0 0 0 y = 0 2 5 0 0 0 0 y = 0 2 5 0 0 0 0 y = 0 2 5 0 3 0 0 y = 0 2 5 0 3 1 0 y = 0 2 5 0 3 1 4

5   Pass
x = nan(10); y_correct = repmat(10,1,10); assert(isequal(longnan(x),y_correct));

rr = 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 cc = 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 8 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 9 10 10 10 10 10 10 10 10 10 y = 10 0 0 0 0 0 0 0 0 0 y = 10 10 0 0 0 0 0 0 0 0 y = 10 10 10 0 0 0 0 0 0 0 y = 10 10 10 10 0 0 0 0 0 0 y = 10 10 10 10 10 0 0 0 0 0 y = 10 10 10 10 10 10 0 0 0 0 y = 10 10 10 10 10 10 10 0 0 0 y = 10 10 10 10 10 10 10 10 0 0 y = 10 10 10 10 10 10 10 10 10 0 y = 10 10 10 10 10 10 10 10 10 10