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Commit c37ef9b

Browse files
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feat: add solutions to lc problem: No.1233 (doocs#3670)
1 parent cf78167 commit c37ef9b

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6 files changed

+271
-0
lines changed

6 files changed

+271
-0
lines changed

‎solution/1200-1299/1233.Remove Sub-Folders from the Filesystem/README.md‎

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Original file line numberDiff line numberDiff line change
@@ -155,6 +155,24 @@ func removeSubfolders(folder []string) []string {
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}
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```
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#### TypeScript
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```ts
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function removeSubfolders(folder: string[]): string[] {
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let s = folder[1];
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return folder.sort().filter(x => !x.startsWith(s + '/') && (s = x));
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}
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```
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#### JavaScript
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```js
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function removeSubfolders(folder) {
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let s = folder[1];
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return folder.sort().filter(x => !x.startsWith(s + '/') && (s = x));
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}
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```
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<!-- tabs:end -->
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160178
<!-- solution:end -->
@@ -379,6 +397,85 @@ func removeSubfolders(folder []string) []string {
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}
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```
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#### TypeScript
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```ts
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function removeSubfolders(folder: string[]): string[] {
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const createTrie = (): T => ({ '#': false, children: {} });
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const trie = createTrie();
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for (const f of folder) {
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const path = f.split('/');
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path.shift();
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let node = trie;
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for (const p of path) {
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if (!node.children[p]) node.children[p] = createTrie();
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node = node.children[p];
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}
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node['#'] = true;
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}
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const ans: string[] = [];
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const dfs = (trie: T, path = '') => {
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if (trie['#']) {
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ans.push(path);
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return;
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}
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for (const key in trie.children) {
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dfs(trie.children[key], path + '/' + key);
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}
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};
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dfs(trie);
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return ans;
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}
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type T = {
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'#': boolean;
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children: Record<string, T>;
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};
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```
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#### JavaScript
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```js
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function removeSubfolders(folder) {
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const createTrie = () => ({ '#': false, children: {} });
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const trie = createTrie();
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for (const f of folder) {
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const path = f.split('/');
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path.shift();
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let node = trie;
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for (const p of path) {
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if (!node.children[p]) node.children[p] = createTrie();
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node = node.children[p];
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}
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node['#'] = true;
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}
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const ans = [];
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const dfs = (trie, path = '') => {
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if (trie['#']) {
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ans.push(path);
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return;
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}
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for (const key in trie.children) {
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dfs(trie.children[key], path + '/' + key);
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}
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};
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dfs(trie);
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return ans;
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}
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```
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382479
<!-- tabs:end -->
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<!-- solution:end -->

‎solution/1200-1299/1233.Remove Sub-Folders from the Filesystem/README_EN.md‎

Lines changed: 97 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -154,6 +154,24 @@ func removeSubfolders(folder []string) []string {
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}
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```
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#### TypeScript
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```ts
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function removeSubfolders(folder: string[]): string[] {
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let s = folder[1];
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return folder.sort().filter(x => !x.startsWith(s + '/') && (s = x));
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}
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```
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#### JavaScript
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```js
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function removeSubfolders(folder) {
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let s = folder[1];
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return folder.sort().filter(x => !x.startsWith(s + '/') && (s = x));
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}
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```
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<!-- tabs:end -->
158176

159177
<!-- solution:end -->
@@ -378,6 +396,85 @@ func removeSubfolders(folder []string) []string {
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}
379397
```
380398

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#### TypeScript
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```ts
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function removeSubfolders(folder: string[]): string[] {
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const createTrie = (): T => ({ '#': false, children: {} });
404+
const trie = createTrie();
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for (const f of folder) {
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const path = f.split('/');
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path.shift();
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let node = trie;
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for (const p of path) {
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if (!node.children[p]) node.children[p] = createTrie();
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node = node.children[p];
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}
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node['#'] = true;
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}
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const ans: string[] = [];
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const dfs = (trie: T, path = '') => {
420+
if (trie['#']) {
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ans.push(path);
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return;
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}
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for (const key in trie.children) {
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dfs(trie.children[key], path + '/' + key);
427+
}
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};
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dfs(trie);
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return ans;
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}
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type T = {
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'#': boolean;
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children: Record<string, T>;
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};
439+
```
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#### JavaScript
442+
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```js
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function removeSubfolders(folder) {
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const createTrie = () => ({ '#': false, children: {} });
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const trie = createTrie();
447+
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for (const f of folder) {
449+
const path = f.split('/');
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path.shift();
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let node = trie;
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for (const p of path) {
454+
if (!node.children[p]) node.children[p] = createTrie();
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node = node.children[p];
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}
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node['#'] = true;
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}
459+
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const ans = [];
461+
const dfs = (trie, path = '') => {
462+
if (trie['#']) {
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ans.push(path);
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return;
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}
466+
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for (const key in trie.children) {
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dfs(trie.children[key], path + '/' + key);
469+
}
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};
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dfs(trie);
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return ans;
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}
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```
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381478
<!-- tabs:end -->
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383480
<!-- solution:end -->
Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,4 @@
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function removeSubfolders(folder) {
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let s = folder[1];
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return folder.sort().filter(x => !x.startsWith(s + '/') && (s = x));
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}
Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,4 @@
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function removeSubfolders(folder: string[]): string[] {
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let s = folder[1];
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return folder.sort().filter(x => !x.startsWith(s + '/') && (s = x));
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}
Lines changed: 32 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
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function removeSubfolders(folder) {
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const createTrie = () => ({ '#': false, children: {} });
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const trie = createTrie();
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5+
for (const f of folder) {
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const path = f.split('/');
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path.shift();
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let node = trie;
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for (const p of path) {
11+
if (!node.children[p]) node.children[p] = createTrie();
12+
node = node.children[p];
13+
}
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node['#'] = true;
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}
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const ans = [];
18+
const dfs = (trie, path = '') => {
19+
if (trie['#']) {
20+
ans.push(path);
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return;
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}
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for (const key in trie.children) {
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dfs(trie.children[key], path + '/' + key);
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}
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};
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dfs(trie);
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return ans;
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}
Lines changed: 37 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,37 @@
1+
function removeSubfolders(folder: string[]): string[] {
2+
const createTrie = (): T => ({ '#': false, children: {} });
3+
const trie = createTrie();
4+
5+
for (const f of folder) {
6+
const path = f.split('/');
7+
path.shift();
8+
9+
let node = trie;
10+
for (const p of path) {
11+
if (!node.children[p]) node.children[p] = createTrie();
12+
node = node.children[p];
13+
}
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node['#'] = true;
15+
}
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const ans: string[] = [];
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const dfs = (trie: T, path = '') => {
19+
if (trie['#']) {
20+
ans.push(path);
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return;
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}
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for (const key in trie.children) {
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dfs(trie.children[key], path + '/' + key);
26+
}
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};
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dfs(trie);
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return ans;
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}
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type T = {
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'#': boolean;
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children: Record<string, T>;
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};

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