알고리즘입문(Java) –
(문제) (설명) import java.util.*; class Main { public int solution(String s){ //int answer=0; String answer=””; for(char x : s.toCharArray()){ //if(x>=48 && x<=57) answer=answer*10+(x-48); /*if(Character.isDigit(x)){ answer=answer*10+ Character.getNumericValue(x); }*/ if(Character.isDigit(x)) answer+=x; } return Integer.parseInt(answer); } public static void main(String() args){ Main T = new Main(); Scanner kb = new Scanner(System.in); String str=kb.next(); System.out.print(T.solution(str)); } }