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- public boolean twoTwo(int[] nums) {
- int len =nums.length;
- boolean result = true;
- for(int i =0;i<len-1;i++){
- if(len<=1 && nums[0]!=2)return true;
- if(len>=2){
- if(nums[len-1]==2 && nums[len-2]!=2)result=false;
- }
- if(nums[i]==2 && nums[i+1]==2)result = true;
- }
- return result;
- }
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