27 lines
521 B
JavaScript
27 lines
521 B
JavaScript
function happy(number) {
|
|
var m, digit ;
|
|
var cycle = [] ;
|
|
|
|
while(number != 1 && cycle[number] !== true) {
|
|
cycle[number] = true ;
|
|
m = 0 ;
|
|
while (number > 0) {
|
|
digit = number % 10 ;
|
|
m += digit * digit ;
|
|
number = (number - digit) / 10 ;
|
|
}
|
|
number = m ;
|
|
}
|
|
return (number == 1) ;
|
|
}
|
|
|
|
var cnt = 8 ;
|
|
var number = 1 ;
|
|
|
|
while(cnt-- > 0) {
|
|
while(!happy(number))
|
|
number++ ;
|
|
document.write(number + " ") ;
|
|
number++ ;
|
|
}
|