we are getting failed even though the code works
this works
function a = checkerboard(n)
b = ones(n,n);
for i=2:2:n^2;
b(i)=0;
end
a=b
end
Test | Status | Code Input and Output |
---|---|---|
1 | Pass |
n = 5;
a = [1 0 1 0 1;
0 1 0 1 0;
1 0 1 0 1;
0 1 0 1 0;
1 0 1 0 1];
assert(isequal(a,checkerboard(n)))
b =
1 1 1 1 1
0 1 1 1 1
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
b =
1 1 1 1 1
0 1 1 1 1
1 1 1 1 1
0 1 1 1 1
1 1 1 1 1
b =
1 0 1 1 1
0 1 1 1 1
1 1 1 1 1
0 1 1 1 1
1 1 1 1 1
b =
1 0 1 1 1
0 1 1 1 1
1 0 1 1 1
0 1 1 1 1
1 1 1 1 1
b =
1 0 1 1 1
0 1 1 1 1
1 0 1 1 1
0 1 1 1 1
1 0 1 1 1
b =
1 0 1 1 1
0 1 0 1 1
1 0 1 1 1
0 1 1 1 1
1 0 1 1 1
b =
1 0 1 1 1
0 1 0 1 1
1 0 1 1 1
0 1 0 1 1
1 0 1 1 1
b =
1 0 1 0 1
0 1 0 1 1
1 0 1 1 1
0 1 0 1 1
1 0 1 1 1
b =
1 0 1 0 1
0 1 0 1 1
1 0 1 0 1
0 1 0 1 1
1 0 1 1 1
b =
1 0 1 0 1
0 1 0 1 1
1 0 1 0 1
0 1 0 1 1
1 0 1 0 1
b =
1 0 1 0 1
0 1 0 1 0
1 0 1 0 1
0 1 0 1 1
1 0 1 0 1
b =
1 0 1 0 1
0 1 0 1 0
1 0 1 0 1
0 1 0 1 0
1 0 1 0 1
a =
1 0 1 0 1
0 1 0 1 0
1 0 1 0 1
0 1 0 1 0
1 0 1 0 1
|
2 | Fail |
n = 4;
a = [1 0 1 0;
0 1 0 1;
1 0 1 0;
0 1 0 1];
assert(isequal(a,checkerboard(n)))
b =
1 1 1 1
0 1 1 1
1 1 1 1
1 1 1 1
b =
1 1 1 1
0 1 1 1
1 1 1 1
0 1 1 1
b =
1 1 1 1
0 0 1 1
1 1 1 1
0 1 1 1
b =
1 1 1 1
0 0 1 1
1 1 1 1
0 0 1 1
b =
1 1 1 1
0 0 0 1
1 1 1 1
0 0 1 1
b =
1 1 1 1
0 0 0 1
1 1 1 1
0 0 0 1
b =
1 1 1 1
0 0 0 0
1 1 1 1
0 0 0 1
b =
1 1 1 1
0 0 0 0
1 1 1 1
0 0 0 0
a =
1 1 1 1
0 0 0 0
1 1 1 1
0 0 0 0
|
3 | Pass |
n = 7;
a = [1 0 1 0 1 0 1
0 1 0 1 0 1 0
1 0 1 0 1 0 1
0 1 0 1 0 1 0
1 0 1 0 1 0 1
0 1 0 1 0 1 0
1 0 1 0 1 0 1];
assert(isequal(a,checkerboard(n)))
b =
1 1 1 1 1 1 1
0 1 1 1 1 1 1
1 1 1 1 1 1 1
1 1 1 1 1 1 1
1 1 1 1 1 1 1
1 1 1 1 1 1 1
1 1 1 1 1 1 1
b =
1 1 1 1 1 1 1
0 1 1 1 1 1 1
1 1 1 1 1 1 1
0 1 1 1 1 1 1
1 1 1 1 1 1 1
1 1 1 1 1 1 1
1 1 1 1 1 1 1
b =
1 1 1 1 1 1 1
0 1 1 1 1 1 1
1 1 1 1 1 1 1
0 1 1 1 1 1 1
1 1 1 1 1 1 1
0 1 1 1 1 1 1
1 1 1 1 1 1 1
b =
1 0 1 1 1 1 1
0 1 1 1 1 1 1
1 1 1 1 1 1 1
0 1 1 1 1 1 1
1 1 1 1 1 1 1
0 1 1 1 1 1 1
1 1 1 1 1 1 1
b =
1 0 1 1 1 1 1
0 1 1 1 1 1 1
1 0 1 1 1 1 1
0 1 1 1 1 1 1
1 1 1 1 1 1 1
0 1 1 1 1 1 1
1 1 1 1 1 1 1
b =
1 0 1 1 1 1 1
0 1 1 1 1 1 1
1 0 1 1 1 1 1
0 1 1 1 1 1 1
1 0 1 1 1 1 1
0 1 1 1 1 1 1
1 1 1 1 1 1 1
b =
1 0 1 1 1 1 1
0 1 1 1 1 1 1
1 0 1 1 1 1 1
0 1 1 1 1 1 1
1 0 1 1 1 1 1
0 1 1 1 1 1 1
1 0 1 1 1 1 1
b =
1 0 1 1 1 1 1
0 1 0 1 1 1 1
1 0 1 1 1 1 1
0 1 1 1 1 1 1
1 0 1 1 1 1 1
0 1 1 1 1 1 1
1 0 1 1 1 1 1
b =
1 0 1 1 1 1 1
0 1 0 1 1 1 1
1 0 1 1 1 1 1
0 1 0 1 1 1 1
1 0 1 1 1 1 1
0 1 1 1 1 1 1
1 0 1 1 1 1 1
b =
1 0 1 1 1 1 1
0 1 0 1 1 1 1
1 0 1 1 1 1 1
0 1 0 1 1 1 1
1 0 1 1 1 1 1
0 1 0 1 1 1 1
1 0 1 1 1 1 1
b =
1 0 1 0 1 1 1
0 1 0 1 1 1 1
1 0 1 1 1 1 1
0 1 0 1 1 1 1
1 0 1 1 1 1 1
0 1 0 1 1 1 1
1 0 1 1 1 1 1
b =
1 0 1 0 1 1 1
0 1 0 1 1 1 1
1 0 1 0 1 1 1
0 1 0 1 1 1 1
1 0 1 1 1 1 1
0 1 0 1 1 1 1
1 0 1 1 1 1 1
b =
1 0 1 0 1 1 1
0 1 0 1 1 1 1
1 0 1 0 1 1 1
0 1 0 1 1 1 1
1 0 1 0 1 1 1
0 1 0 1 1 1 1
1 0 1 1 1 1 1
b =
1 0 1 0 1 1 1
0 1 0 1 1 1 1
1 0 1 0 1 1 1
0 1 0 1 1 1 1
1 0 1 0 1 1 1
0 1 0 1 1 1 1
1 0 1 0 1 1 1
b =
1 0 1 0 1 1 1
0 1 0 1 0 1 1
1 0 1 0 1 1 1
0 1 0 1 1 1 1
1 0 1 0 1 1 1
0 1 0 1 1 1 1
1 0 1 0 1 1 1
b =
1 0 1 0 1 1 1
0 1 0 1 0 1 1
1 0 1 0 1 1 1
0 1 0 1 0 1 1
1 0 1 0 1 1 1
0 1 0 1 1 1 1
1 0 1 0 1 1 1
b =
1 0 1 0 1 1 1
0 1 0 1 0 1 1
1 0 1 0 1 1 1
0 1 0 1 0 1 1
1 0 1 0 1 1 1
0 1 0 1 0 1 1
1 0 1 0 1 1 1
b =
1 0 1 0 1 0 1
0 1 0 1 0 1 1
1 0 1 0 1 1 1
0 1 0 1 0 1 1
1 0 1 0 1 1 1
0 1 0 1 0 1 1
1 0 1 0 1 1 1
b =
1 0 1 0 1 0 1
0 1 0 1 0 1 1
1 0 1 0 1 0 1
0 1 0 1 0 1 1
1 0 1 0 1 1 1
0 1 0 1 0 1 1
1 0 1 0 1 1 1
b =
1 0 1 0 1 0 1
0 1 0 1 0 1 1
1 0 1 0 1 0 1
0 1 0 1 0 1 1
1 0 1 0 1 0 1
0 1 0 1 0 1 1
1 0 1 0 1 1 1
b =
1 0 1 0 1 0 1
0 1 0 1 0 1 1
1 0 1 0 1 0 1
0 1 0 1 0 1 1
1 0 1 0 1 0 1
0 1 0 1 0 1 1
1 0 1 0 1 0 1
b =
1 0 1 0 1 0 1
0 1 0 1 0 1 0
1 0 1 0 1 0 1
0 1 0 1 0 1 1
1 0 1 0 1 0 1
0 1 0 1 0 1 1
1 0 1 0 1 0 1
b =
1 0 1 0 1 0 1
0 1 0 1 0 1 0
1 0 1 0 1 0 1
0 1 0 1 0 1 0
1 0 1 0 1 0 1
0 1 0 1 0 1 1
1 0 1 0 1 0 1
b =
1 0 1 0 1 0 1
0 1 0 1 0 1 0
1 0 1 0 1 0 1
0 1 0 1 0 1 0
1 0 1 0 1 0 1
0 1 0 1 0 1 0
1 0 1 0 1 0 1
a =
1 0 1 0 1 0 1
0 1 0 1 0 1 0
1 0 1 0 1 0 1
0 1 0 1 0 1 0
1 0 1 0 1 0 1
0 1 0 1 0 1 0
1 0 1 0 1 0 1
|
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