Commit 855da18

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feat: add ts solution to lc problem: No.2774 (doocs#1548)

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Original file line number	Diff line number	Diff line change
`@@ -81,4 +81,20 @@ Array.prototype.upperBound = function (target: number) {`
`81`	`81`	`// [3,4,6,6,6,6,7].upperBound(6) // 5`
`82`	`82`	```
`83`	`83`
	`84`	+```ts
	`85`	`+declare global {`
	`86`	`+ interface Array<T> {`
	`87`	`+ upperBound(target: number): number;`
	`88`	`+ }`
	`89`	`+}`
	`90`	`+`
	`91`	`+Array.prototype.upperBound = function (target: number) {`
	`92`	`+ return this.lastIndexOf(target);`
	`93`	`+};`
	`94`	`+`
	`95`	`+// [3,4,5].upperBound(5); // 2`
	`96`	`+// [1,4,5].upperBound(2); // -1`
	`97`	`+// [3,4,6,6,6,6,7].upperBound(6) // 5`
	`98`	+```
	`99`	`+`
`84`	`100`	`<!-- tabs:end -->`

Lines changed: 16 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -71,4 +71,20 @@ Array.prototype.upperBound = function (target: number) {`
`71`	`71`	`// [3,4,6,6,6,6,7].upperBound(6) // 5`
`72`	`72`	```
`73`	`73`
	`74`	+```ts
	`75`	`+declare global {`
	`76`	`+ interface Array<T> {`
	`77`	`+ upperBound(target: number): number;`
	`78`	`+ }`
	`79`	`+}`
	`80`	`+`
	`81`	`+Array.prototype.upperBound = function (target: number) {`
	`82`	`+ return this.lastIndexOf(target);`
	`83`	`+};`
	`84`	`+`
	`85`	`+// [3,4,5].upperBound(5); // 2`
	`86`	`+// [1,4,5].upperBound(2); // -1`
	`87`	`+// [3,4,6,6,6,6,7].upperBound(6) // 5`
	`88`	+```
	`89`	`+`
`74`	`90`	`<!-- tabs:end -->`

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