Commit 292ced6

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refactor: update ts solution to lc problem: No.1002 (doocs#3044)

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+27

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Lines changed: 9 additions & 8 deletions

Original file line number	Diff line number	Diff line change
`@@ -164,23 +164,24 @@ func commonChars(words []string) (ans []string) {`
`164`	`164`
`165`	`165`	```ts
`166`	`166`	`function commonChars(words: string[]): string[] {`
`167`		`- const freq: number[] = new Array(26).fill(10000);`
	`167`	`+ const freq: number[] = Array(26).fill(Number.POSITIVE_INFINITY);`
	`168`	`+ const aCode = 'a'.charCodeAt(0);`
`168`	`169`	`for (const word of words) {`
`169`		`- const t: number[] = newArray(26).fill(0);`
`170`		`- for (const c of word.split('')) {`
`171`		`- ++t[c.charCodeAt(0) - 'a'.charCodeAt(0)];`
	`170`	`+ const t: number[] = Array(26).fill(0);`
	`171`	`+ for (const c of word) {`
	`172`	`+ ++t[c.charCodeAt(0) - aCode];`
`172`	`173`	`}`
`173`	`174`	`for (let i = 0; i < 26; ++i) {`
`174`	`175`	`freq[i] = Math.min(freq[i], t[i]);`
`175`	`176`	`}`
`176`	`177`	`}`
`177`		`- const res: string[] = [];`
	`178`	`+ const ans: string[] = [];`
`178`	`179`	`for (let i = 0; i < 26; ++i) {`
`179`		`- while (freq[i]-->0) {`
`180`		`- res.push(String.fromCharCode(i + 'a'.charCodeAt(0)));`
	`180`	`+ if (freq[i]) {`
	`181`	`+ ans.push(...String.fromCharCode(i + aCode).repeat(freq[i]));`
`181`	`182`	`}`
`182`	`183`	`}`
`183`		`- return res;`
	`184`	`+ return ans;`
`184`	`185`	`}`
`185`	`186`	```
`186`	`187`

Lines changed: 9 additions & 8 deletions

Original file line number	Diff line number	Diff line change
`@@ -151,23 +151,24 @@ func commonChars(words []string) (ans []string) {`
`151`	`151`
`152`	`152`	```ts
`153`	`153`	`function commonChars(words: string[]): string[] {`
`154`		`- const freq: number[] = new Array(26).fill(10000);`
	`154`	`+ const freq: number[] = Array(26).fill(Number.POSITIVE_INFINITY);`
	`155`	`+ const aCode = 'a'.charCodeAt(0);`
`155`	`156`	`for (const word of words) {`
`156`		`- const t: number[] = newArray(26).fill(0);`
`157`		`- for (const c of word.split('')) {`
`158`		`- ++t[c.charCodeAt(0) - 'a'.charCodeAt(0)];`
	`157`	`+ const t: number[] = Array(26).fill(0);`
	`158`	`+ for (const c of word) {`
	`159`	`+ ++t[c.charCodeAt(0) - aCode];`
`159`	`160`	`}`
`160`	`161`	`for (let i = 0; i < 26; ++i) {`
`161`	`162`	`freq[i] = Math.min(freq[i], t[i]);`
`162`	`163`	`}`
`163`	`164`	`}`
`164`		`- const res: string[] = [];`
	`165`	`+ const ans: string[] = [];`
`165`	`166`	`for (let i = 0; i < 26; ++i) {`
`166`		`- while (freq[i]-->0) {`
`167`		`- res.push(String.fromCharCode(i + 'a'.charCodeAt(0)));`
	`167`	`+ if (freq[i]) {`
	`168`	`+ ans.push(...String.fromCharCode(i + aCode).repeat(freq[i]));`
`168`	`169`	`}`
`169`	`170`	`}`
`170`		`- return res;`
	`171`	`+ return ans;`
`171`	`172`	`}`
`172`	`173`	```
`173`	`174`

Lines changed: 9 additions & 8 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,19 +1,20 @@`
`1`	`1`	`function commonChars(words: string[]): string[] {`
`2`		`- const freq: number[] = new Array(26).fill(10000);`
	`2`	`+ const freq: number[] = Array(26).fill(Number.POSITIVE_INFINITY);`
	`3`	`+ const aCode = 'a'.charCodeAt(0);`
`3`	`4`	`for (const word of words) {`
`4`		`- const t: number[] = newArray(26).fill(0);`
`5`		`- for (const c of word.split('')) {`
`6`		`- ++t[c.charCodeAt(0) - 'a'.charCodeAt(0)];`
	`5`	`+ const t: number[] = Array(26).fill(0);`
	`6`	`+ for (const c of word) {`
	`7`	`+ ++t[c.charCodeAt(0) - aCode];`
`7`	`8`	`}`
`8`	`9`	`for (let i = 0; i < 26; ++i) {`
`9`	`10`	`freq[i] = Math.min(freq[i], t[i]);`
`10`	`11`	`}`
`11`	`12`	`}`
`12`		`- const res: string[] = [];`
	`13`	`+ const ans: string[] = [];`
`13`	`14`	`for (let i = 0; i < 26; ++i) {`
`14`		`- while (freq[i]-->0) {`
`15`		`- res.push(String.fromCharCode(i + 'a'.charCodeAt(0)));`
	`15`	`+ if (freq[i]) {`
	`16`	`+ ans.push(...String.fromCharCode(i + aCode).repeat(freq[i]));`
`16`	`17`	`}`
`17`	`18`	`}`
`18`		`- return res;`
	`19`	`+ return ans;`
`19`	`20`	`}`

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