java求0—7所能组成的奇数个数

Question

java求0—7所能组成的奇数个数

Answer 1

public class CountTest {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
int i = 7;
System.out.println("0—" + i + "所能组成的奇数个数：");
count(i);
}
public static int count(int num) {
if(num == 0)
return 0;
if(num == 1)
return 1;
int sum = 0;
int temp = 0;
if(num%2 == 0)
temp = num/2;
else
temp = num/2 + 1;
sum += temp;
System.out.println("1位数" + sum + "个,算法：偶数除以2；奇数除以2加1");
for(int i=0; i