Tukukkk

#### Prompt



Given an integer N, output an N x N spiral matrix with integers 1 through N.



#### Examples:



```

Input:  3



Output: [[1, 2, 3],

         [8, 9, 4],

         [7, 6, 5]



Input: 1



Output: [[1]]

function spiralMatrix(n) {

  const matrix = ;

  let counter = 1,

    rowMin = 0,

    rowMax = n - 1,

    colMin = 0,

    colMax = n - 1;



  for (let i = 0; i < n; i++) {

    matrix.push(new Array(n).fill(0));

  }



  while (rowMin <= rowMax && colMin <= colMax) {

    for (let col = colMin; col <= colMax; col++) {

      matrix[rowMin][col] = counter++;

    }

    rowMin++;

    for (let row = rowMin; row <= rowMax; row++) {

      matrix[row][colMax] = counter++;

    }

    colMax--;

    for (let col = colMax; col >= colMin; col--) {

      matrix[rowMax][col] = counter++;

    }

    rowMax--;

    for (let row = rowMax; row >= rowMin; row--) {

      matrix[row][colMin] = counter++;

    }

    colMin++;

  }



  return matrix;

}



console.log(spiralMatrix(10));

#### Prompt



Given an integer N, output an N x N spiral matrix with integers 1 through N.



#### Examples:



```

Input:  3



Output: [[1, 2, 3],

         [8, 9, 4],

         [7, 6, 5]



Input: 1



Output: [[1]]

function spiralMatrix(n) {

  const matrix = ;

  let counter = 1,

    rowMin = 0,

    rowMax = n - 1,

    colMin = 0,

    colMax = n - 1;



  for (let i = 0; i < n; i++) {

    matrix.push(new Array(n).fill(0));

  }



  while (rowMin <= rowMax && colMin <= colMax) {

    for (let col = colMin; col <= colMax; col++) {

      matrix[rowMin][col] = counter++;

    }

    rowMin++;

    for (let row = rowMin; row <= rowMax; row++) {

      matrix[row][colMax] = counter++;

    }

    colMax--;

    for (let col = colMax; col >= colMin; col--) {

      matrix[rowMax][col] = counter++;

    }

    rowMax--;

    for (let row = rowMax; row >= rowMin; row--) {

      matrix[row][colMin] = counter++;

    }

    colMin++;

  }



  return matrix;

}



console.log(spiralMatrix(10));

#### Prompt



Given an integer N, output an N x N spiral matrix with integers 1 through N.



#### Examples:



```

Input:  3



Output: [[1, 2, 3],

         [8, 9, 4],

         [7, 6, 5]



Input: 1



Output: [[1]]

function spiralMatrix(n) {

  const matrix = ;

  let counter = 1,

    rowMin = 0,

    rowMax = n - 1,

    colMin = 0,

    colMax = n - 1;



  for (let i = 0; i < n; i++) {

    matrix.push(new Array(n).fill(0));

  }



  while (rowMin <= rowMax && colMin <= colMax) {

    for (let col = colMin; col <= colMax; col++) {

      matrix[rowMin][col] = counter++;

    }

    rowMin++;

    for (let row = rowMin; row <= rowMax; row++) {

      matrix[row][colMax] = counter++;

    }

    colMax--;

    for (let col = colMax; col >= colMin; col--) {

      matrix[rowMax][col] = counter++;

    }

    rowMax--;

    for (let row = rowMax; row >= rowMin; row--) {

      matrix[row][colMin] = counter++;

    }

    colMin++;

  }



  return matrix;

}



console.log(spiralMatrix(10));

#### Prompt



Given an integer N, output an N x N spiral matrix with integers 1 through N.



#### Examples:



```

Input:  3



Output: [[1, 2, 3],

         [8, 9, 4],

         [7, 6, 5]



Input: 1



Output: [[1]]

function spiralMatrix(n) {

  const matrix = ;

  let counter = 1,

    rowMin = 0,

    rowMax = n - 1,

    colMin = 0,

    colMax = n - 1;



  for (let i = 0; i < n; i++) {

    matrix.push(new Array(n).fill(0));

  }



  while (rowMin <= rowMax && colMin <= colMax) {

    for (let col = colMin; col <= colMax; col++) {

      matrix[rowMin][col] = counter++;

    }

    rowMin++;

    for (let row = rowMin; row <= rowMax; row++) {

      matrix[row][colMax] = counter++;

    }

    colMax--;

    for (let col = colMax; col >= colMin; col--) {

      matrix[rowMax][col] = counter++;

    }

    rowMax--;

    for (let row = rowMax; row >= rowMin; row--) {

      matrix[row][colMin] = counter++;

    }

    colMin++;

  }



  return matrix;

}



console.log(spiralMatrix(10));

Your Answer

StackExchange.ifUsing("editor", function () {
return StackExchange.using("mathjaxEditing", function () {
StackExchange.MarkdownEditor.creationCallbacks.add(function (editor, postfix) {
StackExchange.mathjaxEditing.prepareWmdForMathJax(editor, postfix, [["\$", "\$"]]);
});
});
}, "mathjax-editing");

StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");

StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "196"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);

StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});

function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: false,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: null,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});


}
});