题目链接:https://leetcode.com/problems/split-array-into-fibonacci-sequence/description/
占坑。
string 的数值转换函数(c++11)介绍 :https://blog.csdn.net/calmreason/article/details/41204211
答案可参考:https://leetcode.com/problems/split-array-into-fibonacci-sequence/discuss/133925/C++-DFS-backtracking-6ms