杭电 2015 ( 偶数求和 ) java

import java.util.Scanner;

public class Main {

public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
while(sc.hasNext()){
int n=sc.nextInt();
int m=sc.nextInt();
int k=0,s=0,a=0;
int[] ave=new int[101];
for(int i=2;i<=2*n;i=i+2){
k++;
s+=i;
if(k==m||i==2*n){
ave[a++]=s/k;
k=0;s=0;
}
}
if(n%m==0){
k=n/m;
}else{
k=n/m+1;
}
for(int i=0;i<k-1;i++){
System.out.print(ave[i]+" ");
}
System.out.println(ave[k-1]);
}
}

}