解题思路:
注意事项:
参考代码:
import java.util.Scanner; public class T1969 { public static void main(String[] args) { Scanner in = new Scanner(System.in); while(in.hasNext()){ String s = in.next(); int start = in.nextInt(),step = in.nextInt(); for(int i = start;i<s.length();i+=step){ System.out.print(s.charAt(i)); } System.out.println(); } in.close(); } }
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