Commit b1292ee

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feat: add js solution to lc problem: No.0079 (#3233)

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Lines changed: 36 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -264,6 +264,42 @@ function exist(board: string[][], word: string): boolean {`
`264`	`264`	`}`
`265`	`265`	```
`266`	`266`
	`267`	`+#### JavaScript`
	`268`	`+`
	`269`	+```js
	`270`	`+function exist(board, word) {`
	`271`	`+ const [m, n] = [board.length, board[0].length];`
	`272`	`+ const dirs = [-1, 0, 1, 0, -1];`
	`273`	`+ const dfs = (i, j, k) => {`
	`274`	`+ if (k === word.length - 1) {`
	`275`	`+ return board[i][j] === word[k];`
	`276`	`+ }`
	`277`	`+ if (board[i][j] !== word[k]) {`
	`278`	`+ return false;`
	`279`	`+ }`
	`280`	`+ const c = board[i][j];`
	`281`	`+ board[i][j] = '0';`
	`282`	`+ for (let u = 0; u < 4; ++u) {`
	`283`	`+ const [x, y] = [i + dirs[u], j + dirs[u + 1]];`
	`284`	`+ const ok = x >= 0 && x < m && y >= 0 && y < n;`
	`285`	`+ if (ok && board[x][y] !== '0' && dfs(x, y, k + 1)) {`
	`286`	`+ return true;`
	`287`	`+ }`
	`288`	`+ }`
	`289`	`+ board[i][j] = c;`
	`290`	`+ return false;`
	`291`	`+ };`
	`292`	`+ for (let i = 0; i < m; ++i) {`
	`293`	`+ for (let j = 0; j < n; ++j) {`
	`294`	`+ if (dfs(i, j, 0)) {`
	`295`	`+ return true;`
	`296`	`+ }`
	`297`	`+ }`
	`298`	`+ }`
	`299`	`+ return false;`
	`300`	`+}`
	`301`	+```
	`302`	`+`
`267`	`303`	`#### Rust`
`268`	`304`
`269`	`305`	```rust

Lines changed: 36 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -261,6 +261,42 @@ function exist(board: string[][], word: string): boolean {`
`261`	`261`	`}`
`262`	`262`	```
`263`	`263`
	`264`	`+#### JavaScript`
	`265`	`+`
	`266`	+```js
	`267`	`+function exist(board, word) {`
	`268`	`+ const [m, n] = [board.length, board[0].length];`
	`269`	`+ const dirs = [-1, 0, 1, 0, -1];`
	`270`	`+ const dfs = (i, j, k) => {`
	`271`	`+ if (k === word.length - 1) {`
	`272`	`+ return board[i][j] === word[k];`
	`273`	`+ }`
	`274`	`+ if (board[i][j] !== word[k]) {`
	`275`	`+ return false;`
	`276`	`+ }`
	`277`	`+ const c = board[i][j];`
	`278`	`+ board[i][j] = '0';`
	`279`	`+ for (let u = 0; u < 4; ++u) {`
	`280`	`+ const [x, y] = [i + dirs[u], j + dirs[u + 1]];`
	`281`	`+ const ok = x >= 0 && x < m && y >= 0 && y < n;`
	`282`	`+ if (ok && board[x][y] !== '0' && dfs(x, y, k + 1)) {`
	`283`	`+ return true;`
	`284`	`+ }`
	`285`	`+ }`
	`286`	`+ board[i][j] = c;`
	`287`	`+ return false;`
	`288`	`+ };`
	`289`	`+ for (let i = 0; i < m; ++i) {`
	`290`	`+ for (let j = 0; j < n; ++j) {`
	`291`	`+ if (dfs(i, j, 0)) {`
	`292`	`+ return true;`
	`293`	`+ }`
	`294`	`+ }`
	`295`	`+ }`
	`296`	`+ return false;`
	`297`	`+}`
	`298`	+```
	`299`	`+`
`264`	`300`	`#### Rust`
`265`	`301`
`266`	`302`	```rust

Lines changed: 31 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,31 @@`
	`1`	`+function exist(board, word) {`
	`2`	`+ const [m, n] = [board.length, board[0].length];`
	`3`	`+ const dirs = [-1, 0, 1, 0, -1];`
	`4`	`+ const dfs = (i, j, k) => {`
	`5`	`+ if (k === word.length - 1) {`
	`6`	`+ return board[i][j] === word[k];`
	`7`	`+ }`
	`8`	`+ if (board[i][j] !== word[k]) {`
	`9`	`+ return false;`
	`10`	`+ }`
	`11`	`+ const c = board[i][j];`
	`12`	`+ board[i][j] = '0';`
	`13`	`+ for (let u = 0; u < 4; ++u) {`
	`14`	`+ const [x, y] = [i + dirs[u], j + dirs[u + 1]];`
	`15`	`+ const ok = x >= 0 && x < m && y >= 0 && y < n;`
	`16`	`+ if (ok && board[x][y] !== '0' && dfs(x, y, k + 1)) {`
	`17`	`+ return true;`
	`18`	`+ }`
	`19`	`+ }`
	`20`	`+ board[i][j] = c;`
	`21`	`+ return false;`
	`22`	`+ };`
	`23`	`+ for (let i = 0; i < m; ++i) {`
	`24`	`+ for (let j = 0; j < n; ++j) {`
	`25`	`+ if (dfs(i, j, 0)) {`
	`26`	`+ return true;`
	`27`	`+ }`
	`28`	`+ }`
	`29`	`+ }`
	`30`	`+ return false;`
	`31`	`+}`

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