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题解

list_node * relocate(list_node * head) { //////在下面完成代码 if(head == nullptr || head->next == nullptr) return head; list_node* slow = head...

2020-03-01

0 713

题解

list_node * merge_list(list_node * head1, list_node * head2) { //////在下面完成代码 list_node* res= new list_node(); list_node* cur= res; whi...

2020-03-01

0 826

题解

void swap(list_node * a, list_node * b) { int tmp = a->val; a->val = b->val; b->val = tmp; } list_node * selection_sort(list_...

2020-03-01

0 751

题解

list_node * remove_value(list_node * head, int num) { //////在下面完成代码 while(head->val == num) head = head->next; list_node* cur = head...

2020-03-01

0 764

题解

list_node * remove_rep(list_node * head) { //////在下面完成代码 if(head == nullptr || head->next == nullptr) return head; map<int,int> M...

2020-03-01

0 694

题解

vector<list_node*> reverseN(list_node * head1, int K) { list_node* pre = nullptr; list_node* next = nullptr; vector<list_node*>...

2020-02-29

0 731

题解

考查code边界条件 #include <iostream> #include <string> #include <vector> #include <map> #include <algorithm> using namespace ...

2020-02-16

8 1039

题解

#include <iostream> #include <string> #include <vector> using namespace std; vector<vector<int>> vec; vector<int>...

2020-02-16

2 1243

获取最后一个单词长度

#include <string> #include <iostream> using namespace std; class Solution { public: int CountWordLen(string str) { int len = ...

2020-02-12

0 488

C++ 栈的中序遍历

C++ 栈利用时间复杂度最大O(N)从根节点开始入栈，出栈方向就是中序遍历。 /* struct TreeNode { int val; struct TreeNode *left; struct TreeNode *right; TreeNode(int x) :...

2020-01-30

0 674