Problem 4. Make a checkerboard matrix

Solution 1584160

Submitted on 16 Jul 2018 by Deepthi Palagati

Size: 47
Leading solution size is 7.

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

Solve This Problem View on Solution Map

Test Suite

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))) s = 1 s = 1 0 s = 1 0 1 s = 1 0 1 0 s = 1 0 1 0 1 s = 1 0 1 0 1 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 0 0 s = 1 0 1 0 1 0 1 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 s = 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	Pass	n = 4; a = [1 0 1 0; 0 1 0 1; 1 0 1 0; 0 1 0 1]; assert(isequal(a,checkerboard(n))) s = 1 s = 1 0 s = 1 0 1 s = 1 0 1 0 s = 1 0 1 0 0 0 0 0 s = 1 0 1 0 0 1 0 0 s = 1 0 1 0 0 1 0 0 s = 1 0 1 0 0 1 0 1 s = 1 0 1 0 0 1 0 1 1 0 0 0 s = 1 0 1 0 0 1 0 1 1 0 0 0 s = 1 0 1 0 0 1 0 1 1 0 1 0 s = 1 0 1 0 0 1 0 1 1 0 1 0 s = 1 0 1 0 0 1 0 1 1 0 1 0 0 0 0 0 s = 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 0 s = 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 0 s = 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 a = 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1
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))) s = 1 s = 1 0 s = 1 0 1 s = 1 0 1 0 s = 1 0 1 0 1 s = 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 s = 1 0 1 0 1 0 1 0 0 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 s = 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 0 0 s = 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 0 0 s = 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 s = 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 s = 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 0 0 0 0 0 s = 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 0 0 0 0 0 s = 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 0 0 0 s = 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 0 0 0 s = 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 0 s = 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 0 s = 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 s = 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 0 0 0 0 0 0 s = 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 0 0 0 0 s = 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 0 0 0 0 s = 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 0 0 s = 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 0 0 s = 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 s = 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 s = 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 0 0 0 0 0 s = 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 0 0 0 0 0 s = 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 0 0 0 s = 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 0 0 0 s = 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 0 s = 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 0 s = 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

Test

Status

Code Input and Output

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)))

s = 1 s = 1 0 s = 1 0 1 s = 1 0 1 0 s = 1 0 1 0 1 s = 1 0 1 0 1 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 0 0 s = 1 0 1 0 1 0 1 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 s = 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

Pass

n = 4; a = [1 0 1 0; 0 1 0 1; 1 0 1 0; 0 1 0 1]; assert(isequal(a,checkerboard(n)))

s = 1 s = 1 0 s = 1 0 1 s = 1 0 1 0 s = 1 0 1 0 0 0 0 0 s = 1 0 1 0 0 1 0 0 s = 1 0 1 0 0 1 0 0 s = 1 0 1 0 0 1 0 1 s = 1 0 1 0 0 1 0 1 1 0 0 0 s = 1 0 1 0 0 1 0 1 1 0 0 0 s = 1 0 1 0 0 1 0 1 1 0 1 0 s = 1 0 1 0 0 1 0 1 1 0 1 0 s = 1 0 1 0 0 1 0 1 1 0 1 0 0 0 0 0 s = 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 0 s = 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 0 s = 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 a = 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1

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)))

s = 1 s = 1 0 s = 1 0 1 s = 1 0 1 0 s = 1 0 1 0 1 s = 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 s = 1 0 1 0 1 0 1 0 0 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 s = 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 s = 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 0 0 s = 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 0 0 s = 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 s = 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 s = 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 0 0 0 0 0 s = 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 0 0 0 0 0 s = 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 0 0 0 s = 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 0 0 0 s = 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 0 s = 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 0 s = 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 s = 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 0 0 0 0 0 0 s = 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 0 0 0 0 s = 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 0 0 0 0 s = 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 0 0 s = 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 0 0 s = 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 s = 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 s = 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 0 0 0 0 0 s = 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 0 0 0 0 0 s = 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 0 0 0 s = 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 0 0 0 s = 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 0 s = 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 0 s = 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

Problem 4. Make a checkerboard matrix

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Problem 4. Make a checkerboard matrix

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