題目描述: java
UDBOJ 4 abba 1樣例輸出:
JUDBO bbaa
解: 測試
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.StreamTokenizer; /** * 左旋轉字符串 * 19時38分24秒 * @author aqia358 * 19時47分16秒 * */ public class Main { public void move(String s, int n){ int len = s.length(); String part1 = s.substring(0, n%len); String part2 = s.substring(n%len, len); System.out.println(part2+part1); } public static void main(String[] args) throws IOException { Main m = new Main(); StreamTokenizer st = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in))); while(st.nextToken() != StreamTokenizer.TT_EOF){ String str = st.sval; st.nextToken(); int n = (int)st.nval; m.move(str, n); } } }