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144 lines
2.9 KiB
Markdown
144 lines
2.9 KiB
Markdown
---
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id: a24c1a4622e3c05097f71d67
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title: Where do I Belong
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challengeType: 1
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forumTopicId: 16094
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dashedName: where-do-i-belong
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---
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# --description--
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Return the lowest index at which a value (second argument) should be inserted into an array (first argument) once it has been sorted. The returned value should be a number.
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For example, `getIndexToIns([1,2,3,4], 1.5)` should return `1` because it is greater than `1` (index 0), but less than `2` (index 1).
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Likewise, `getIndexToIns([20,3,5], 19)` should return `2` because once the array has been sorted it will look like `[3,5,20]` and `19` is less than `20` (index 2) and greater than `5` (index 1).
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# --hints--
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`getIndexToIns([10, 20, 30, 40, 50], 35)` should return a number.
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```js
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assert.isNumber(getIndexToIns([10, 20, 30, 40, 50], 35));
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```
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`getIndexToIns([10, 20, 30, 40, 50], 35)` should return `3`.
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```js
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assert.strictEqual(getIndexToIns([10, 20, 30, 40, 50], 35), 3);
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```
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`getIndexToIns([10, 20, 30, 40, 50], 30)` should return a number.
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```js
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assert.isNumber(getIndexToIns([10, 20, 30, 40, 50], 30));
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```
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`getIndexToIns([10, 20, 30, 40, 50], 30)` should return `2`.
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```js
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assert.strictEqual(getIndexToIns([10, 20, 30, 40, 50], 30), 2);
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```
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`getIndexToIns([40, 60], 50)` should return a number.
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```js
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assert.isNumber(getIndexToIns([40, 60], 50));
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```
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`getIndexToIns([40, 60], 50)` should return `1`.
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```js
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assert.strictEqual(getIndexToIns([40, 60], 50), 1);
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```
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`getIndexToIns([3, 10, 5], 3)` should return a number.
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```js
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assert.isNumber(getIndexToIns([3, 10, 5], 3));
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```
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`getIndexToIns([3, 10, 5], 3)` should return `0`.
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```js
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assert.strictEqual(getIndexToIns([3, 10, 5], 3), 0);
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```
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`getIndexToIns([5, 3, 20, 3], 5)` should return a number.
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```js
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assert.isNumber(getIndexToIns([5, 3, 20, 3], 5));
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```
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`getIndexToIns([5, 3, 20, 3], 5)` should return `2`.
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```js
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assert.strictEqual(getIndexToIns([5, 3, 20, 3], 5), 2);
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```
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`getIndexToIns([2, 20, 10], 19)` should return `2`.
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```js
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assert.strictEqual(getIndexToIns([2, 20, 10], 19), 2);
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```
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`getIndexToIns([2, 20, 10], 19)` should return a number.
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```js
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assert.isNumber(getIndexToIns([2, 20, 10], 19));
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```
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`getIndexToIns([2, 5, 10], 15)` should return `3`.
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```js
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assert.strictEqual(getIndexToIns([2, 5, 10], 15), 3);
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```
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`getIndexToIns([2, 5, 10], 15)` should return a number.
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```js
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assert.isNumber(getIndexToIns([2, 5, 10], 15));
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```
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`getIndexToIns([], 1)` should return a number.
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```js
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assert.isNumber(getIndexToIns([], 1));
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```
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`getIndexToIns([], 1)` should return `0`.
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```js
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assert.strictEqual(getIndexToIns([], 1), 0);
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```
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# --seed--
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## --seed-contents--
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```js
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function getIndexToIns(arr, num) {
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return num;
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}
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getIndexToIns([40, 60], 50);
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```
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# --solutions--
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```js
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function getIndexToIns(arr, num) {
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arr = arr.sort((a, b) => a - b);
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for (let i = 0; i < arr.length; i++) {
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if (arr[i] >= num) {
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return i;
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}
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}
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return arr.length;
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}
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getIndexToIns([40, 60], 50);
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```
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