Cody

# Problem 15. Find the longest sequence of 1's in a binary sequence.

Solution 181998

Submitted on 27 Dec 2012 by Abderrahmane
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### Test Suite

Test Status Code Input and Output
1   Pass
%% x = '0'; y_correct = 0; assert(isequal(lengthOnes(x),y_correct))

ans = 0 y = 0 y1 = 0 y = 0

2   Pass
%% x = '1'; y_correct = 1; assert(isequal(lengthOnes(x),y_correct))

ans = 1 y1 = 1 y = 1 y = 1

3   Pass
%% x = '01'; y_correct = 1; assert(isequal(lengthOnes(x),y_correct))

ans = 0 y = 0 y1 = 0 ans = 1 y1 = 1 y = 0 1 y = 1

4   Pass
%% x = '10'; y_correct = 1; assert(isequal(lengthOnes(x),y_correct))

ans = 1 y1 = 1 y = 1 ans = 0 y = 1 1 y1 = 0 y = 1

5   Pass
%% x = '00'; y_correct = 0; assert(isequal(lengthOnes(x),y_correct))

ans = 0 y = 0 y1 = 0 ans = 0 y = 0 0 y1 = 0 y = 0

6   Pass
%% x = '11'; y_correct = 2; assert(isequal(lengthOnes(x),y_correct))

ans = 1 y1 = 1 y = 1 ans = 1 y1 = 2 y = 1 2 y = 2

7   Pass
%% x = '1111111111'; y_correct = 10; assert(isequal(lengthOnes(x),y_correct))

ans = 1 y1 = 1 y = 1 ans = 1 y1 = 2 y = 1 2 ans = 1 y1 = 3 y = 1 2 3 ans = 1 y1 = 4 y = 1 2 3 4 ans = 1 y1 = 5 y = 1 2 3 4 5 ans = 1 y1 = 6 y = 1 2 3 4 5 6 ans = 1 y1 = 7 y = 1 2 3 4 5 6 7 ans = 1 y1 = 8 y = 1 2 3 4 5 6 7 8 ans = 1 y1 = 9 y = 1 2 3 4 5 6 7 8 9 ans = 1 y1 = 10 y = 1 2 3 4 5 6 7 8 9 10 y = 10

8   Pass
%% x = '100101011111010011111'; y_correct = 5; assert(isequal(lengthOnes(x),y_correct))

ans = 1 y1 = 1 y = 1 ans = 0 y = 1 1 y1 = 0 ans = 0 y = 1 1 0 y1 = 0 ans = 1 y1 = 1 y = 1 1 0 1 ans = 0 y = 1 1 0 1 1 y1 = 0 ans = 1 y1 = 1 y = 1 1 0 1 1 1 ans = 0 y = 1 1 0 1 1 1 1 y1 = 0 ans = 1 y1 = 1 y = 1 1 0 1 1 1 1 1 ans = 1 y1 = 2 y = 1 1 0 1 1 1 1 1 2 ans = 1 y1 = 3 y = 1 1 0 1 1 1 1 1 2 3 ans = 1 y1 = 4 y = 1 1 0 1 1 1 1 1 2 3 4 ans = 1 y1 = 5 y = 1 1 0 1 1 1 1 1 2 3 4 5 ans = 0 y = 1 1 0 1 1 1 1 1 2 3 4 5 5 y1 = 0 ans = 1 y1 = 1 y = 1 1 0 1 1 1 1 1 2 3 4 5 5 1 ans = 0 y = 1 1 0 1 1 1 1 1 2 3 4 5 5 1 1 y1 = 0 ans = 0 y = 1 1 0 1 1 1 1 1 2 3 4 5 5 1 1 0 y1 = 0 ans = 1 y1 = 1 y = Columns 1 through 16 1 1 0 1 1 1 1 1 2 3 4 5 5 1 1 0 Column 17 1 ans = 1 y1 = 2 y = Columns 1 through 16 1 1 0 1 1 1 1 1 2 3 4 5 5 1 1 0 Columns 17 through 18 1 2 ans = 1 y1 = 3 y = Columns 1 through 16 1 1 0 1 1 1 1 1 2 3 4 5 5 1 1 0 Columns 17 through 19 1 2 3 ans = 1 y1 = 4 y = Columns 1 through 16 1 1 0 1 1 1 1 1 2 3 4 5 5 1 1 0 Columns 17 through 20 1 2 3 4 ans = 1 y1 = 5 y = Columns 1 through 16 1 1 0 1 1 1 1 1 2 3 4 5 5 1 1 0 Columns 17 through 21 1 2 3 4 5 y = 5

9   Pass
%% x = '01010101010101010101010101'; y_correct = 1; assert(isequal(lengthOnes(x),y_correct))

ans = 0 y = 0 y1 = 0 ans = 1 y1 = 1 y = 0 1 ans = 0 y = 0 1 1 y1 = 0 ans = 1 y1 = 1 y = 0 1 1 1 ans = 0 y = 0 1 1 1 1 y1 = 0 ans = 1 y1 = 1 y = 0 1 1 1 1 1 ans = 0 y = 0 1 1 1 1 1 1 y1 = 0 ans = 1 y1 = 1 y = 0 1 1 1 1 1 1 1 ans = 0 y = 0 1 1 1 1 1 1 1 1 y1 = 0 ans = 1 y1 = 1 y = 0 1 1 1 1 1 1 1 1 1 ans = 0 y = 0 1 1 1 1 1 1 1 1 1 1 y1 = 0 ans = 1 y1 = 1 y = 0 1 1 1 1 1 1 1 1 1 1 1 ans = 0 y = 0 1 1 1 1 1 1 1 1 1 1 1 1 y1 = 0 ans = 1 y1 = 1 y = 0 1 1 1 1 1 1 1 1 1 1 1 1 1 ans = 0 y = 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 y1 = 0 ans = 1 y1 = 1 y = 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Column 17 1 y1 = 0 ans = 1 y1 = 1 y = Columns 1 through 16 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 17 through 18 1 1 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 17 through 19 1 1 1 y1 = 0 ans = 1 y1 = 1 y = Columns 1 through 16 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 17 through 20 1 1 1 1 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 17 through 21 1 1 1 1 1 y1 = 0 ans = 1 y1 = 1 y = Columns 1 through 16 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 17 through 22 1 1 1 1 1 1 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 17 through 23 1 1 1 1 1 1 1 y1 = 0 ans = 1 y1 = 1 y = Columns 1 through 16 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 17 through 24 1 1 1 1 1 1 1 1 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 17 through 25 1 1 1 1 1 1 1 1 1 y1 = 0 ans = 1 y1 = 1 y = Columns 1 through 16 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 17 through 26 1 1 1 1 1 1 1 1 1 1 y = 1

10   Pass
%% x = '0101010111000101110001011100010100001110110100000000110001001000001110001000111010101001101100001111'; y_correct = 4; assert(isequal(lengthOnes(x),y_correct))

ans = 0 y = 0 y1 = 0 ans = 1 y1 = 1 y = 0 1 ans = 0 y = 0 1 1 y1 = 0 ans = 1 y1 = 1 y = 0 1 1 1 ans = 0 y = 0 1 1 1 1 y1 = 0 ans = 1 y1 = 1 y = 0 1 1 1 1 1 ans = 0 y = 0 1 1 1 1 1 1 y1 = 0 ans = 1 y1 = 1 y = 0 1 1 1 1 1 1 1 ans = 1 y1 = 2 y = 0 1 1 1 1 1 1 1 2 ans = 1 y1 = 3 y = 0 1 1 1 1 1 1 1 2 3 ans = 0 y = 0 1 1 1 1 1 1 1 2 3 3 y1 = 0 ans = 0 y = 0 1 1 1 1 1 1 1 2 3 3 0 y1 = 0 ans = 0 y = 0 1 1 1 1 1 1 1 2 3 3 0 0 y1 = 0 ans = 1 y1 = 1 y = 0 1 1 1 1 1 1 1 2 3 3 0 0 1 ans = 0 y = 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 y1 = 0 ans = 1 y1 = 1 y = 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 ans = 1 y1 = 2 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Column 17 2 ans = 1 y1 = 3 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 18 2 3 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 19 2 3 3 y1 = 0 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 20 2 3 3 0 y1 = 0 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 21 2 3 3 0 0 y1 = 0 ans = 1 y1 = 1 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 22 2 3 3 0 0 1 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 23 2 3 3 0 0 1 1 y1 = 0 ans = 1 y1 = 1 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 24 2 3 3 0 0 1 1 1 ans = 1 y1 = 2 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 25 2 3 3 0 0 1 1 1 2 ans = 1 y1 = 3 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 26 2 3 3 0 0 1 1 1 2 3 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 27 2 3 3 0 0 1 1 1 2 3 3 y1 = 0 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 28 2 3 3 0 0 1 1 1 2 3 3 0 y1 = 0 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 29 2 3 3 0 0 1 1 1 2 3 3 0 0 y1 = 0 ans = 1 y1 = 1 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 30 2 3 3 0 0 1 1 1 2 3 3 0 0 1 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 31 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 y1 = 0 ans = 1 y1 = 1 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Column 33 1 y1 = 0 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 34 1 0 y1 = 0 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 35 1 0 0 y1 = 0 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 36 1 0 0 0 y1 = 0 ans = 1 y1 = 1 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 37 1 0 0 0 1 ans = 1 y1 = 2 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 38 1 0 0 0 1 2 ans = 1 y1 = 3 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 39 1 0 0 0 1 2 3 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 40 1 0 0 0 1 2 3 3 y1 = 0 ans = 1 y1 = 1 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 41 1 0 0 0 1 2 3 3 1 ans = 1 y1 = 2 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 42 1 0 0 0 1 2 3 3 1 2 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 43 1 0 0 0 1 2 3 3 1 2 2 y1 = 0 ans = 1 y1 = 1 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 44 1 0 0 0 1 2 3 3 1 2 2 1 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 45 1 0 0 0 1 2 3 3 1 2 2 1 1 y1 = 0 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 46 1 0 0 0 1 2 3 3 1 2 2 1 1 0 y1 = 0 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 3 0 0 1 1 1 Columns 33 through 47 1 0 0 0 1 2 3 3 1 2 2 1 1 0 0 y1 = 0 ans = 0 y = Columns 1 through 16 0 1 1 1 1 1 1 1 2 3 3 0 0 1 1 1 Columns 17 through 32 2 3 3 0 0 1 1 1 2 3 ...