Construct a square matrix with a size N × N containing integers from 1 to N * N in a
spiral order, starting from top-left and in clockwise direction.
Example
For n = 3, the output should be
spiralNumbers(n) = [[1, 2, 3],
[8, 9, 4],
[7, 6, 5]]
Input/Output
-
[execution time limit] 4 seconds (js)
-
[input] integer n
Matrix size, a positive integer.
Guaranteed constraints:
3 ≤ n ≤ 100. -
[output] array.array.integer
[JavaScript (ES6)] Syntax Tips
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// Returns a string
function helloWorld(name) {
console.log("This prints to the console when you Run Tests");
return "Hello, " + name;
}