public boolean groupNoAdj(int start, int[] nums, int target) { if( start >= nums.length){ return target==0; } if(groupNoAdj(start+2, nums, target-nums[start])) return true; if(groupNoAdj(start+1, nums, target)) return true; return false; }
http://codingbat.com/prob/p169605
原文：http://www.cnblogs.com/youge-OneSQL/p/6398985.html