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DistictProducts.java

package Basic;

import java.util.Arrays;

/**
 * Created by chenguanghe on 9/29/14.
 */
public class DistictProducts {
    public static int products(int n) {
        boolean[] test = new boolean[n*n+1];
        Arrays.fill(test, false);
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= n; j++) {
                test[i*j] = true;
            }
        }
        int count = 0;
        for (boolean b : test){
            if(b)
            count++;
        }
        return count;
    }
    public static void main(String[] args) {
        for (int i = 1; i <=10 ; i++) {
            System.out.print(products(i)+", ");
        }
    }
}