-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathLeetcode138.cpp
More file actions
38 lines (32 loc) · 1.15 KB
/
Leetcode138.cpp
File metadata and controls
38 lines (32 loc) · 1.15 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
// Leetcode138.cpp : This file contains the 'main' function. Program execution begins and ends there.
//
#include <iostream>
Node* copyRandomList(Node* head) {
unordered_map<Node*, Node*> m;
int i = 0;
Node* ptr = head;
while (ptr) {
m[ptr] = new Node(ptr->val);
ptr = ptr->next;
}
ptr = head;
while (ptr) {
m[ptr]->next = m[ptr->next];
m[ptr]->random = m[ptr->random];
ptr = ptr->next;
}
return m[head];
}
int main()
{
std::cout << "Hello World!\n";
}
// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu
// Tips for Getting Started:
// 1. Use the Solution Explorer window to add/manage files
// 2. Use the Team Explorer window to connect to source control
// 3. Use the Output window to see build output and other messages
// 4. Use the Error List window to view errors
// 5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
// 6. In the future, to open this project again, go to File > Open > Project and select the .sln file