46 lines
1.1 KiB
Java
46 lines
1.1 KiB
Java
package sum;
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import java.math.BigInteger;
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/**
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* @author Nikita Doschennikov (me@fymio.us)
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*/
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public class SumLongOctal {
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public static void main(String[] args) {
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long res = 0;
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for (String arg : args) {
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StringBuilder builder = new StringBuilder();
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for (char c : arg.toCharArray()) {
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if (!Character.isWhitespace(c)) {
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builder.append(c);
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} else {
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res += compute(builder.toString());
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builder = new StringBuilder();
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}
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}
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res += compute(builder.toString());
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}
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System.out.println(res);
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}
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static long compute(String num) {
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if (num.isEmpty()) {
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return 0L;
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}
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int numLength = num.length();
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if (
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num.charAt(numLength - 1) == 'o' || num.charAt(numLength - 1) == 'O'
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) {
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return new BigInteger(
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num.substring(0, num.length() - 1),
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8
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).longValue();
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} else {
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return Long.parseLong(num);
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}
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}
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}
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