Commit7440a75

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refactor 202

1 parent47cbcd5 commit7440a75Copy full SHA for 7440a75

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+18

-14

lines changed

+18

-14

lines changed

Lines changed: 18 additions & 14 deletions

Original file line number	Diff line number	Diff line change
`@@ -15,7 +15,6 @@`
`15`	`15`	`* Those numbers for which this process ends in 1 are happy numbers.`
`16`	`16`	`*`
`17`	`17`	`* Example: 19 is a happy number`
`18`		`- *`
`19`	`18`	`* 12 + 92 = 82`
`20`	`19`	`* 82 + 22 = 68`
`21`	`20`	`* 62 + 82 = 100`
`@@ -27,22 +26,27 @@ public boolean isHappy(int n) {`
`27`	`26`	`if (n ==1) {`
`28`	`27`	`returntrue;`
`29`	`28`	`}`
`30`		`-Set<Integer>set =newHashSet();`
`31`		`-while (n !=1) {`
`32`		`-Stringstr =String.valueOf(n);`
`33`		`-n =0;`
`34`		`-for (inti =0;i <str.length();i++) {`
`35`		`-inttemp =Character.getNumericValue(str.charAt(i));`
`36`		`-n +=temp *temp;`
`37`		`- }`
`38`		`-if (n ==1) {`
`39`		`-returntrue;`
`40`		`- }`
`41`		`-if (!set.add(n)) {`
	`29`	`+Set<Integer>seen =newHashSet();`
	`30`	`+seen.add(n);`
	`31`	`+intresult =0;`
	`32`	`+while (result !=1) {`
	`33`	`+result =getResult(n);`
	`34`	`+if (seen.contains(result)) {`
`42`	`35`	`returnfalse;`
`43`	`36`	`}`
	`37`	`+seen.add(result);`
	`38`	`+n =result;`
	`39`	`+ }`
	`40`	`+returntrue;`
	`41`	`+ }`
	`42`	`+`
	`43`	`+privateIntegergetResult(intnum) {`
	`44`	`+intresult =0;`
	`45`	`+while (num !=0) {`
	`46`	`+result += (num %10) * (num %10);`
	`47`	`+num /=10;`
`44`	`48`	`}`
`45`		`-returnfalse;`
	`49`	`+returnresult;`
`46`	`50`	`}`
`47`	`51`	`}`
`48`	`52`	`}`

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