摘要:
package test; import java.util.*; public class Main{ public static int f(int n,int k, int goal){ if(goal==1) return n-k+1; if(n-k+1=1;i--) { for(int j=2;j<=m;j++) { if(n-i+1<... 阅读全文
摘要:
public List> permute(int[] nums) { List> res = new ArrayList(); f1(0, nums, res); return res; } private void f1(int i, final int[] nums, List> res) { if (... 阅读全文