HDOJ 2562 奇偶位互换(水)

import java.util.Scanner;

public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
while (sc.hasNext()) {
int c = sc.nextInt();
while (c-- > 0) {
String str = sc.next();
for (int i = 1; i < str.length(); i+= 2) {
System.out.print(str.charAt(i));
System.out.print(str.charAt(i-1));
}
System.out.println();
}
}
sc.close();
}
}