题目描述
blablabla
样例
if(numbers.empty())
return false;
sort(numbers.begin(), numbers.end());
int i = 0;
while (numbers[i] == 0)i++; // 检测0;
//去掉重复
for(int j=i;j<numbers.size()-1;j++){
if(numbers[j]==numbers[j+1])
return false;
}
//相差大于4就不是连子
if (numbers[numbers.size()-1] - numbers[i] > 4)
return false;
return true;