25 lines
695 B
Java
25 lines
695 B
Java
|
package LanQiaoOJ;
|
|||
|
|
|
|||
|
|
import java.math.BigInteger;
|
|||
|
|
|
|||
|
|
/*<EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¡<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫʲô<EFBFBD><EFBFBD><EFBFBD>꣬
|
|||
|
|
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD> 1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD≯<EFBFBD><EFBFBD><EFBFBD> 1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӣ<EFBFBD><EFBFBD>ڵ<EFBFBD> 2 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD≯<EFBFBD><EFBFBD><EFBFBD> 2 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӣ<EFBFBD><EFBFBD>ڵ<EFBFBD> 3 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD≯<EFBFBD><EFBFBD><EFBFBD> 4 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӣ<EFBFBD>
|
|||
|
|
<EFBFBD>ڵ<EFBFBD> 4 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD≯<EFBFBD><EFBFBD><EFBFBD> 8 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӣ<EFBFBD>......<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD≯<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>干<EFBFBD><EFBFBD> 64 <EFBFBD><EFBFBD>
|
|||
|
|
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD>ؼ<EFBFBD><EFBFBD>㣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD>*/
|
|||
|
|
public class <EFBFBD><EFBFBD><EFBFBD>̷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> {
|
|||
|
|
|
|||
|
|
public static void main(String[] args) {
|
|||
|
|
//<2F><><EFBFBD><EFBFBD>
|
|||
|
|
BigInteger ans=new BigInteger("1");
|
|||
|
|
//ÿ<><C3BF><EFBFBD>ĸ<EFBFBD><C4B8><EFBFBD>
|
|||
|
|
BigInteger a=new BigInteger("1");
|
|||
|
|
|
|||
|
|
for(int i=2;i<=64;i++) {
|
|||
|
|
a=a.multiply(new BigInteger ("2"));
|
|||
|
|
ans=ans.add(a);
|
|||
|
|
}
|
|||
|
|
System.out.print(ans);
|
|||
|
|
}
|
|||
|
|
}
|