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feat: add solutions to lc problem: No.2220 (doocs#3513)

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`@@ -177,4 +177,30 @@ int minBitFlips(int start, int goal) {`
`177`	`177`
`178`	`178`	`<!-- solution:end -->`
`179`	`179`
	`180`	`+<!-- solution:start -->`
	`181`	`+`
	`182`	`+### Solution 2`
	`183`	`+`
	`184`	`+<!-- tabs:start -->`
	`185`	`+`
	`186`	`+#### TypeScript`
	`187`	`+`
	`188`	+```ts
	`189`	`+function minBitFlips(start: number, goal: number): number {`
	`190`	`+ return (start ^ goal).toString(2).replace(/0/g, '').length;`
	`191`	`+}`
	`192`	+```
	`193`	`+`
	`194`	`+#### JavaScript`
	`195`	`+`
	`196`	+```js
	`197`	`+function minBitFlips(start, goal) {`
	`198`	`+ return (start ^ goal).toString(2).replace(/0/g, '').length;`
	`199`	`+}`
	`200`	+```
	`201`	`+`
	`202`	`+<!-- tabs:end -->`
	`203`	`+`
	`204`	`+<!-- solution:end -->`
	`205`	`+`
`180`	`206`	`<!-- problem:end -->`

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`@@ -175,4 +175,30 @@ int minBitFlips(int start, int goal) {`
`175`	`175`
`176`	`176`	`<!-- solution:end -->`
`177`	`177`
	`178`	`+<!-- solution:start -->`
	`179`	`+`
	`180`	`+### Solution 2`
	`181`	`+`
	`182`	`+<!-- tabs:start -->`
	`183`	`+`
	`184`	`+#### TypeScript`
	`185`	`+`
	`186`	+```ts
	`187`	`+function minBitFlips(start: number, goal: number): number {`
	`188`	`+ return (start ^ goal).toString(2).replace(/0/g, '').length;`
	`189`	`+}`
	`190`	+```
	`191`	`+`
	`192`	`+#### JavaScript`
	`193`	`+`
	`194`	+```js
	`195`	`+function minBitFlips(start, goal) {`
	`196`	`+ return (start ^ goal).toString(2).replace(/0/g, '').length;`
	`197`	`+}`
	`198`	+```
	`199`	`+`
	`200`	`+<!-- tabs:end -->`
	`201`	`+`
	`202`	`+<!-- solution:end -->`
	`203`	`+`
`178`	`204`	`<!-- problem:end -->`

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`@@ -0,0 +1,3 @@`
	`1`	`+function minBitFlips(start, goal) {`
	`2`	`+ return (start ^ goal).toString(2).replace(/0/g, '').length;`
	`3`	`+}`

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`@@ -0,0 +1,3 @@`
	`1`	`+function minBitFlips(start: number, goal: number): number {`
	`2`	`+ return (start ^ goal).toString(2).replace(/0/g, '').length;`
	`3`	`+}`

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