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stpanov's solution for 300: NumberSequence, written in Java, submitted on 09.05.2010 13:57:42
public class NumberSequence { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub System.out.println(new NumberSequence().findDigit(4)); } public int findDigit(int N) { String res = ""; String tempres = ""; for (int i=1;i<=N;i++) { tempres = tempres +""+i; res+=tempres; } return res.charAt(N-1)-'0'; } }