Count the number of odd and even numbers of elements divisible by 3 in the closed interval of 1...n
Input format:
The range of input value n is [1..1000]
Output format:
odd number, even number
Input sample:
5
Sample output:
1,0
AC code:
import java.util.Scanner;
public class beishuzhengchu {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
int m=0,w=0;//用m统计偶数,n记录奇数个数
for(int i=1;i<=n;i++){
if(i%3==0){//若能被3整除
if(i%2==0){
m++;
}
else{
w++;
}
}
}
System.out.println(w+","+m);
}
}