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Commit e9446b3

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feat: update solutions to lc problem: No.2206 (doocs#4262)
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4 files changed

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‎solution/2200-2299/2206.Divide Array Into Equal Pairs/README.md‎

Lines changed: 27 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -144,18 +144,6 @@ func divideArray(nums []int) bool {
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}
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```
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#### TypeScript
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```ts
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function divideArray(nums: number[]): boolean {
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const cnt: Record<number, number> = {};
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for (const x of nums) {
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cnt[x] = (cnt[x] || 0) + 1;
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}
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return Object.values(cnt).every(x => x % 2 === 0);
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}
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```
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#### Rust
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```rust
@@ -172,6 +160,24 @@ impl Solution {
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}
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```
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#### TypeScript
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```ts
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function divideArray(nums: number[]): boolean {
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const cnt = Array(501).fill(0);
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for (const x of nums) {
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cnt[x]++;
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}
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for (const x of cnt) {
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if (x & 1) return false;
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}
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return true;
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}
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```
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#### JavaScript
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```js
@@ -180,11 +186,17 @@ impl Solution {
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* @return {boolean}
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*/
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var divideArray = function (nums) {
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const cnt = {};
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const cnt = Array(501).fill(0);
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for (const x of nums) {
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cnt[x]= (cnt[x] ||0) +1;
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cnt[x]++;
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}
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return Object.values(cnt).every(x => x % 2 === 0);
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for (const x of cnt) {
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if (x & 1) return false;
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}
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return true;
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};
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```
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‎solution/2200-2299/2206.Divide Array Into Equal Pairs/README_EN.md‎

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Original file line numberDiff line numberDiff line change
@@ -38,7 +38,7 @@ tags:
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<pre>
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<strong>Input:</strong> nums = [3,2,3,2,2,2]
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<strong>Output:</strong> true
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<strong>Explanation:</strong>
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<strong>Explanation:</strong>
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There are 6 elements in nums, so they should be divided into 6 / 2 = 3 pairs.
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If nums is divided into the pairs (2, 2), (3, 3), and (2, 2), it will satisfy all the conditions.
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</pre>
@@ -48,7 +48,7 @@ If nums is divided into the pairs (2, 2), (3, 3), and (2, 2), it will satisfy al
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<pre>
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<strong>Input:</strong> nums = [1,2,3,4]
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<strong>Output:</strong> false
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<strong>Explanation:</strong>
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<strong>Explanation:</strong>
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There is no way to divide nums into 4 / 2 = 2 pairs such that the pairs satisfy every condition.
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</pre>
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@@ -142,18 +142,6 @@ func divideArray(nums []int) bool {
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}
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```
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#### TypeScript
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```ts
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function divideArray(nums: number[]): boolean {
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const cnt: Record<number, number> = {};
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for (const x of nums) {
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cnt[x] = (cnt[x] || 0) + 1;
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}
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return Object.values(cnt).every(x => x % 2 === 0);
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}
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```
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#### Rust
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```rust
@@ -170,6 +158,24 @@ impl Solution {
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}
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```
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#### TypeScript
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```ts
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function divideArray(nums: number[]): boolean {
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const cnt = Array(501).fill(0);
166+
167+
for (const x of nums) {
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cnt[x]++;
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}
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for (const x of cnt) {
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if (x & 1) return false;
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}
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return true;
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}
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```
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#### JavaScript
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175181
```js
@@ -178,11 +184,17 @@ impl Solution {
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* @return {boolean}
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*/
180186
var divideArray = function (nums) {
181-
const cnt = {};
187+
const cnt = Array(501).fill(0);
188+
182189
for (const x of nums) {
183-
cnt[x]= (cnt[x] ||0) +1;
190+
cnt[x]++;
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}
185-
return Object.values(cnt).every(x => x % 2 === 0);
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for (const x of cnt) {
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if (x & 1) return false;
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}
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return true;
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};
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```
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‎solution/2200-2299/2206.Divide Array Into Equal Pairs/Solution.js‎

Lines changed: 9 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -3,9 +3,15 @@
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* @return {boolean}
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*/
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var divideArray = function (nums) {
6-
const cnt = {};
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const cnt = Array(501).fill(0);
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78
for (const x of nums) {
8-
cnt[x]=(cnt[x]||0)+1;
9+
cnt[x]++;
910
}
10-
return Object.values(cnt).every(x => x % 2 === 0);
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for (const x of cnt) {
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if (x & 1) return false;
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}
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return true;
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};
Lines changed: 9 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,13 @@
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function divideArray(nums: number[]): boolean {
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const cnt: Record<number, number> = {};
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const cnt = Array(501).fill(0);
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34
for (const x of nums) {
4-
cnt[x]=(cnt[x]||0)+1;
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cnt[x]++;
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}
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return Object.values(cnt).every(x => x % 2 === 0);
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for (const x of cnt) {
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if (x & 1) return false;
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}
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return true;
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}

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