System.out.println(String.format("%.2f",24.449));
import java.util.Scanner;
import java.util.Arrays;
import java.util.ArrayList;
public class Test{
public static long getsum(String str){
long sum = 0l;
for(int i = 0 ; i < str.length() ; i++){
int x = Integer.parseInt(str.charAt(i)+"");
if( x % 2 == 0)
sum += x;
}
return sum;
}
public static int getdiv(int n,int b){
int count = 0;
for(int i = 1 ; i <= n ; i++){
if( i % b == 0){
count++;
}
}
return count;
}
public static int step(int s){
if( s == 0)
return 0;
if( s == 1 )
return 1;
if( s == 2 )
return 2;
return step(s-1) + step(s - 2);
}
public static boolean primenum(int num){
if( num <= 3 )
return num >1;
for( int i = 2; i < num ; i ++){
if( num % i == 0)
return false;
}
return true;
}
public static void leapyear(){
for(int i = 1990 ; i <= 2010 ; i++){
if( (i % 4 == 0 && i % 100 != 0 ) || (i % 400 == 0))
System.out.println(i);
}
}
public static String otherstr(String str){
String newstr = "";
for(int i = 0 ; i < str.length() ; i++){
char ch = str.charAt(i);
if( ch >= 'a' && ch <= 'z' )
ch = (char)( 'z' - ch + 'a');
if( ch >= 'A' && ch <= 'Z' )
ch = (char)('Z' - ch + 'A');
newstr += ch;
}
return newstr;
}
public static int jiecheng(int num){
if( num == 1)
return 1;
return jiecheng(num - 1) * num;
}
public static int[] getswitch(int [] arr){
int maxi = 0;
int mini = 0;
for(int i = 0 ; i < arr.length ; i++){
if(arr[maxi] < arr[i])
maxi = i;
if(arr[mini] > arr[i])
mini = i;
}
int temp = arr[arr.length - 1];
arr[arr.length - 1] = arr[maxi];
arr[maxi] = temp;
temp = arr[0];
arr[0] = arr[mini];
arr[mini] = temp;
return arr;
}
public static int eatpeach(int days){
int sum = 1;
for( int i = days; i > 1 ; i--){
sum = (sum + 1) * 2;
}
return sum;
}
public static String replaceAB(String stra,String strb){
String str = "";
for( int i = 0 ; i < stra.length() ; i++){
String s = stra.charAt(i) + "";
if( (!str.contains(s)) && (!strb.contains(s)) ){
str += s;
}
}
return str;
}
public static String kaisacode(String str){
String newstr = "";
for(int i = 0 ; i < str.length() ; i++){
char ch = str.charAt(i);
if( ch >= 'a' && ch <= 'z' )
ch = (char) ((ch - 'a' + 5) % 26 + 'a' );
if( ch >= 'A' && ch <= 'Z' )
ch = (char) ( (ch - 'A' + 5 ) % 26 + 'A');
newstr += ch;
}
return newstr;
}
public static String nopeate(String str){
String newstr = "";
for(int i = 0 ; i < str.length() ; i++){
for(int j = i ; j < str.length() ; j++){
}
}
return newstr;
}
public static int miaoshu(String str){
String [] strarr = str.split(":");
int h = Integer.parseInt(strarr[0]);
int m = Integer.parseInt(strarr[1]);
int s = Integer.parseInt(strarr[2]);
return h * 60 * 60 + m * 60 + s;
}
public static String buchongfu(String str){
String [] strarr = new String[str.length()];
for(int i = 0 ; i < str.length() ; i++){
String newstr = str.charAt(i) +"";
for(int j = i + 1; j < str.length() ; j ++){
char ch = str.charAt(j);
if(newstr.contains(ch+"")){
break;
}else{
newstr += ch;
}
}
strarr[i] = newstr;
}
int index = 0;
for(int i = 0 ; i < strarr.length ; i ++){
if(strarr[index].length() < strarr[i].length() )
index = i;
}
return strarr[index];
}
public static void main(String args[]){
/*
Scanner scan = new Scanner(System.in);
String str = null;
str = scan.next();
System.out.println(getsum(str));
*/
/*
Scanner scan = new Scanner(System.in);
int n = 0 ;
int b = 0 ;
n = scan.nextInt();
b = scan.nextInt();
System.out.println(getdiv(n,b));*/
/*
Scanner scan = new Scanner(System.in);
int [] intarr = new int[90];
int count = 0;
int s = 0;
System.out.println("输入");
do{
s = scan.nextInt();
intarr[count] = s;
count++;
}while(s != 0);
System.out.println("输出");
for(int i = 0 ; i < count-1 ; i ++){
System.out.println(step(intarr[i]));
}*/
/*
Scanner scan = new Scanner(System.in);
int num = scan.nextInt();
System.out.println(primenum(num));*/
//leapyear();
/*
Scanner scan = new Scanner(System.in);
String str = scan.nextLine();
System.out.println(otherstr(str));*/
/*
Scanner scan = new Scanner(System.in);
int num = scan.nextInt();
System.out.println(jiecheng(num));*/
/*
Scanner scan = new Scanner(System.in);
int [] arr = new int[10];
for(int i = 0 ; i < 10 ; i++){
arr[i] = scan.nextInt();
}
arr = getswitch(arr);
System.out.println(Arrays.toString(arr));
*/
/*
Scanner scan = new Scanner(System.in);
int days = scan.nextInt();
scan.close();
System.out.println(eatpeach(days));
*/
//System.out.println(replaceAB("1213","2a"));
//System.out.println(kaisacode("T"));
//System.out.println(miaoshu("01:10:10"));
//System.out.println(miaoshu("12:05:05"));
//System.out.println(buchongfu("pwwkew"));
}
}
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