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 | Pass |
%%
n = 4;
d = 2;
%p = isprime(spiral(n));imagesc(p)
assert(isequal(prime_spiral(n),d))
d =
0
lgt =
Empty matrix: 1-by-0
d =
1 0
lgt =
1
maximum =
0 1
d =
0 0 0
lgt =
Empty matrix: 1-by-0
d =
1 0 1 1
lgt =
1 2
maximum =
0 1 0 2
d =
0 1 0 1
lgt =
1 1
maximum =
0 1 0 2 1
d =
0 1 0 0
lgt =
1
maximum =
0 1 0 2 1 1
d =
0 1 1 0
lgt =
2
maximum =
0 1 0 2 1 1 2
d =
0 1 0 0
lgt =
1
maximum =
0 1 0 2 1 1 2 1
d =
0 0 1
lgt =
1
maximum =
0 1 0 2 1 1 2 1 1
d =
0 0
lgt =
Empty matrix: 1-by-0
d =
1
lgt =
1
maximum =
0 1 0 2 1 1 2 1 1 0 1
solution =
2
|
| 2 | Pass |
%%
n = 7;
d = 4;
assert(isequal(prime_spiral(n),d))
d =
1
lgt =
1
maximum =
1
d =
0 0
lgt =
Empty matrix: 1-by-0
d =
0 1 0
lgt =
1
maximum =
1 0 1
d =
0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
1 1 1 0 0
lgt =
3
maximum =
1 0 1 0 3
d =
0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
1 0 1 0 1 1 1
lgt =
1 1 3
maximum =
1 0 1 0 3 0 3
d =
0 0 0 1 0 0 1
lgt =
1 1
maximum =
1 0 1 0 3 0 3 1
d =
0 1 0 1 1 0 0
lgt =
1 2
maximum =
1 0 1 0 3 0 3 1 2
d =
0 0 0 0 1 1 0
lgt =
2
maximum =
1 0 1 0 3 0 3 1 2 2
d =
1 0 0 0 0 0 0
lgt =
1
maximum =
1 0 1 0 3 0 3 1 2 2 1
d =
0 0 0 1 1 0 0
lgt =
2
maximum =
1 0 1 0 3 0 3 1 2 2 1 2
d =
0 0 0 1 0 0 0
lgt =
1
maximum =
1 0 1 0 3 0 3 1 2 2 1 2 1
d =
0 0 0 0 1 1 1
lgt =
3
maximum =
1 0 1 0 3 0 3 1 2 2 1 2 1 3
d =
0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
1 1 1 1 0
lgt =
4
maximum =
1 0 1 0 3 0 3 1 2 2 1 2 1 3 0 4
d =
0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 1
lgt =
1
maximum =
Columns 1 through 16
1 0 1 0 3 0 3 1 2 2 1 2 1 3 0 4
Columns 17 through 18
0 1
d =
0 0
lgt =
Empty matrix: 1-by-0
d =
1
lgt =
1
maximum =
Columns 1 through 16
1 0 1 0 3 0 3 1 2 2 1 2 1 3 0 4
Columns 17 through 20
0 1 0 1
solution =
4
|
| 3 | Pass |
%%
n = 13;
d = 5;
assert(isequal(prime_spiral(n),d))
d =
0
lgt =
Empty matrix: 1-by-0
d =
0 0
lgt =
Empty matrix: 1-by-0
d =
0 1 0
lgt =
1
maximum =
0 0 1
d =
0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
1 1 0 0 0
lgt =
2
maximum =
0 0 1 0 2
d =
0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
1 0 1 1 0 1 1
lgt =
1 2 2
maximum =
0 0 1 0 2 0 2
d =
0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 1 0 0 1 0 1 0 1
lgt =
1 1 1 1
maximum =
0 0 1 0 2 0 2 0 1
d =
0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 1 1 1 1 1 0 0 1 0 0
lgt =
5 1
maximum =
0 0 1 0 2 0 2 0 1 0 5
d =
0 0 0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
1 0 1 1 0 1 0 1 1 1 0 0 0
lgt =
1 2 1 3
maximum =
0 0 1 0 2 0 2 0 1 0 5 0 3
d =
0 0 0 0 0 0 1 0 0 0 0 0 0
lgt =
1
maximum =
0 0 1 0 2 0 2 0 1 0 5 0 3 1
d =
0 1 0 0 1 0 1 1 0 1 1 0 0
lgt =
1 1 2 2
maximum =
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2
d =
0 0 0 0 0 0 0 0 0 0 1 0 0
lgt =
1
maximum =
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
d =
0 0 0 1 0 0 1 0 0 0 0 0 0
lgt =
1 1
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Column 17
1
d =
0 0 0 0 0 0 0 0 0 1 0 0 1
lgt =
1 1
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 18
1 1
d =
1 0 1 0 0 0 1 0 0 0 0 0 0
lgt =
1 1 1
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 19
1 1 1
d =
0 0 0 0 0 0 1 0 0 1 1 0 1
lgt =
1 2 1
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 20
1 1 1 2
d =
0 0 0 1 0 0 0 0 0 0 0 0 0
lgt =
1
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 21
1 1 1 2 1
d =
0 0 0 0 0 0 1 1 1 0 1 1 0
lgt =
3 2
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 22
1 1 1 2 1 3
d =
1 0 0 0 0 0 0 0 0 0 0 0 0
lgt =
1
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 23
1 1 1 2 1 3 1
d =
0 0 0 1 0 0 1 1 0 0 0 0 0
lgt =
1 2
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 24
1 1 1 2 1 3 1 2
d =
0 0 0 0 0 0 1 0 0 0 0 0 0
lgt =
1
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 25
1 1 1 2 1 3 1 2 1
d =
0 0 0 0 0 0 0 1 1 1 0 1 0
lgt =
3 1
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 26
1 1 1 2 1 3 1 2 1 3
d =
0 0 0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
1 0 1 1 1 1 1 0 1 1 0
lgt =
1 5 2
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 28
1 1 1 2 1 3 1 2 1 3 0 5
d =
0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 0 0 0 1 0 0 1
lgt =
1 1
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 30
1 1 1 2 1 3 1 2 1 3 0 5 0 1
d =
0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
1 0 0 1 1 1 1
lgt =
1 4
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 32
1 1 1 2 1 3 1 2 1 3 0 5 0 1 0 4
d =
0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 1 1 1 0
lgt =
3
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 32
1 1 1 2 1 3 1 2 1 3 0 5 0 1 0 4
Columns 33 through 34
0 3
d =
0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 0
lgt =
Empty matrix: 1-by-0
d =
1
lgt =
1
maximum =
Columns 1 through 16
0 0 1 0 2 0 2 0 1 0 5 0 3 1 2 1
Columns 17 through 32
1 1 1 2 1 3 1 2 1 3 0 5 0 1 0 4
Columns 33 through 38
0 3 0 0 0 1
solution =
5
|
| 4 | Pass |
%%
n = 52;
d = 6;
assert(isequal(prime_spiral(n),d))
d =
0
lgt =
Empty matrix: 1-by-0
d =
0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 0
lgt =
Empty matrix: 1-by-0
d =
1 0 0 0
lgt =
1
maximum =
0 0 0 1
d =
0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 0 0 0 1
lgt =
1
maximum =
0 0 0 1 0 1
d =
0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 1 0 0 0 0 0 0
lgt =
1
maximum =
0 0 0 1 0 1 0 1
d =
0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 1 0 0 0 0 1 0 0 0
lgt =
1 1
maximum =
0 0 0 1 0 1 0 1 0 1
d =
0 0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 0 0 0 1 0 1 1 1 0 1
lgt =
1 3 1
maximum =
0 0 0 1 0 1 0 1 0 1 0 3
d =
0 0 0 0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 0 0 0 0 0 0 0 1 0 0 0 0
lgt =
1
maximum =
0 0 0 1 0 1 0 1 0 1 0 3 0 1
d =
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 0 0 0 0 1 1 0 1 1 0 0 1 0 1
lgt =
2 2 1 1
maximum =
0 0 0 1 0 1 0 1 0 1 0 3 0 1 0 2
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Column 17
0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0
Columns 17 through 18
0 1
lgt =
1 1 1
maximum =
Columns 1 through 16
0 0 0 1 0 1 0 1 0 1 0 3 0 1 0 2
Columns 17 through 18
0 1
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 17 through 19
0 0 0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
0 0 1 1 0 1 1 1 0 0 0 0 1 0 0 0
Columns 17 through 20
0 0 0 0
lgt =
2 3 1
maximum =
Columns 1 through 16
0 0 0 1 0 1 0 1 0 1 0 3 0 1 0 2
Columns 17 through 20
0 1 0 3
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 17 through 21
0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
1 0 0 1 1 0 1 1 0 0 0 0 1 1 0 0
Columns 17 through 22
1 0 0 1 0 1
lgt =
1 2 2 2 1 1 1
maximum =
Columns 1 through 16
0 0 0 1 0 1 0 1 0 1 0 3 0 1 0 2
Columns 17 through 22
0 1 0 3 0 2
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 17 through 23
0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
0 0 0 0 0 1 0 0 1 0 0 0 0 1 1 1
Columns 17 through 24
0 0 0 0 1 0 0 0
lgt =
1 1 3 1
maximum =
Columns 1 through 16
0 0 0 1 0 1 0 1 0 1 0 3 0 1 0 2
Columns 17 through 24
0 1 0 3 0 2 0 3
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 17 through 25
0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
0 0 1 0 0 0 0 1 0 1 0 1 1 0 0 1
Columns 17 through 26
0 0 1 0 0 0 0 0 1 0
lgt =
1 1 1 2 1 1 1
maximum =
Columns 1 through 16
0 0 0 1 0 1 0 1 0 1 0 3 0 1 0 2
Columns 17 through 26
0 1 0 3 0 2 0 3 0 2
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 17 through 27
0 0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
0 0 0 0 1 0 1 0 0 1 1 0 0 1 0 0
Columns 17 through 28
0 0 0 0 0 0 1 0 0 1 0 1
lgt =
1 1 2 1 1 1 1
maximum =
Columns 1 through 16
0 0 0 1 0 1 0 1 0 1 0 3 0 1 0 2
Columns 17 through 28
0 1 0 3 0 2 0 3 0 2 0 2
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 17 through 29
0 0 0 0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0
Columns 17 through 30
1 0 0 0 0 1 1 1 0 0 0 0 1 0
lgt =
1 1 1 3 1
maximum =
Columns 1 through 16
0 0 0 1 0 1 0 1 0 1 0 3 0 1 0 2
Columns 17 through 30
0 1 0 3 0 2 0 3 0 2 0 2 0 3
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 17 through 31
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
1 1 1 0 1 1 0 0 1 0 1 0 1 0 1 1
Columns 17 through 32
0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0
lgt =
3 2 1 1 1 2 1 1 1
maximum =
Columns 1 through 16
0 0 0 1 0 1 0 1 0 1 0 3 0 1 0 2
Columns 17 through 32
0 1 0 3 0 2 0 3 0 2 0 2 0 3 0 3
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 17 through 32
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Column 33
0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0
Columns 17 through 32
0 0 0 1 0 0 0 0 0 1 0 1 1 0 1 0
Columns 33 through 34
0 1
lgt =
1 1 1 1 2 1 1
maximum =
Columns 1 through 16
0 0 0 1 0 1 0 1 0 1 0 3 0 1 0 2
Columns 17 through 32
0 1 0 3 0 2 0 3 0 2 0 2 0 3 0 3
Columns 33 through 34
0 2
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 17 through 32
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 33 through 35
0 0 0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0
Columns 17 through 32
0 1 0 1 1 1 0 1 1 1 0 1 1 0 0 0
Columns 33 through 36
1 1 1 0
lgt =
1 1 1 3 3 2 3
maximum =
Columns 1 through 16
0 0 0 1 0 1 0 1 0 1 0 3 0 1 0 2
Columns 17 through 32
0 1 0 3 0 2 0 3 0 2 0 2 0 3 0 3
Columns 33 through 36
0 2 0 3
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 17 through 32
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 33 through 37
0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
0 1 0 0 0 1 0 1 0 0 0 0 0 1 0 0
Columns 17 through 32
0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 33 through 38
0 1 0 0 0 0
lgt =
1 1 1 1 1 1
maximum =
Columns 1 through 16
0 0 0 1 0 1 0 1 0 1 0 3 0 1 0 2
Columns 17 through 32
0 1 0 3 0 2 0 3 0 2 0 2 ...
|
| 5 | Fail |
%%
n = 81;
d = 9;
assert(isequal(prime_spiral(n),d))
d =
0
lgt =
Empty matrix: 1-by-0
d =
0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 0 0 1
lgt =
1
maximum =
0 0 0 0 1
d =
0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 1 1 1 0 0 0
lgt =
3
maximum =
0 0 0 0 1 0 3
d =
0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 1 0 1 0 0 0 1 0
lgt =
1 1 1
maximum =
0 0 0 0 1 0 3 0 1
d =
0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 1 0 0 0 0 0 0 0 0
lgt =
1
maximum =
0 0 0 0 1 0 3 0 1 0 1
d =
0 0 0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 0 1 1 1 0 0 0 1 0 0 1
lgt =
3 1 1
maximum =
0 0 0 0 1 0 3 0 1 0 1 0 3
d =
0 0 0 0 0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
0 0 0 0 0 0 0 1 0 0 1 0 0 1 0
lgt =
1 1 1
maximum =
0 0 0 0 1 0 3 0 1 0 1 0 3 0 1
d =
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0
Column 17
0
lgt =
1
maximum =
Columns 1 through 16
0 0 0 0 1 0 3 0 1 0 1 0 3 0 1 0
Column 17
1
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 17 through 18
0 0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
0 1 1 0 0 1 0 0 1 0 0 0 0 0 0 0
Columns 17 through 19
0 0 0
lgt =
2 1 1
maximum =
Columns 1 through 16
0 0 0 0 1 0 3 0 1 0 1 0 3 0 1 0
Columns 17 through 19
1 0 2
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 17 through 20
0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
1 0 0 0 1 0 0 1 0 1 0 0 1 0 0 0
Columns 17 through 21
0 0 0 1 0
lgt =
1 1 1 1 1 1
maximum =
Columns 1 through 16
0 0 0 0 1 0 3 0 1 0 1 0 3 0 1 0
Columns 17 through 21
1 0 2 0 1
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Columns 17 through 22
0 0 0 0 0 0
lgt =
Empty matrix: 1-by-0
d =
Columns 1 through 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
Columns 17 through 23
0 1 1 0 0 0 1
lgt =
2
|
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