Commitb9c25c1

committed

Time: 25 ms (29.08%), Space: 39 MB (43.14%) - LeetHub

1 parent7224aee commitb9c25c1Copy full SHA for b9c25c1

File tree

+31

-0

lines changed

+31

-0

lines changed

Lines changed: 31 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,31 @@`
	`1`	`+importjava.util.Stack`
	`2`	`+`
	`3`	`+classSolution {`
	`4`	`+privatevalOPERATORS= arrayOf(`
	`5`	`+"+","-","*","/"`
	`6`	`+ )`
	`7`	`+`
	`8`	`+funevalRPN(tokens:Array<String>):Int {`
	`9`	`+val numbers=Stack<Int>()`
	`10`	`+`
	`11`	`+for (tokenin tokens) {`
	`12`	`+if (token!inOPERATORS) {`
	`13`	`+ numbers.push(token.toInt())`
	`14`	`+ }else {`
	`15`	`+val op2= numbers.pop()`
	`16`	`+val op1= numbers.pop()`
	`17`	`+`
	`18`	`+val result=when (token) {`
	`19`	`+"+"-> op1+ op2`
	`20`	`+"-"-> op1- op2`
	`21`	`+""-> op1 op2`
	`22`	`+else-> op1/ op2`
	`23`	`+ }`
	`24`	`+`
	`25`	`+ numbers.push(result)`
	`26`	`+ }`
	`27`	`+ }`
	`28`	`+`
	`29`	`+return numbers.pop()`
	`30`	`+ }`
	`31`	`+}`

Comments

(0)