-
Notifications
You must be signed in to change notification settings - Fork 8
/
bfs.cpp
74 lines (70 loc) · 1.6 KB
/
bfs.cpp
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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
#include <iostream>
#include <cstddef>
#include <queue>
#include <string>
#include <cstdlib>
using namespace std;
class Node{
public:
int data;
Node *left,*right;
Node(int d){
data=d;
left=right=NULL;
}
};
class Solution{
public:
Node* insert(Node* root, int data){
if(root==NULL){
return new Node(data);
}
else{
Node* cur;
if(data<=root->data){
cur=insert(root->left,data);
root->left=cur;
}
else{
cur=insert(root->right,data);
root->right=cur;
}
return root;
}
}
queue <Node*> v;
void levelOrder(Node * root)
{
//Write your code here
if(root != NULL)
{
v.push(root);
while(!v.empty())
{
// dequeue next node
Node* tree = v.front();
cout <<tree->data<<" ";
// enqueue child elements from next level in order
if(tree->left != NULL) {
v.push(tree->left);
}
if(tree->right != NULL) {
v.push(tree->right);
}
v.pop();
}
}
}
};//End of Solution
int main(){
Solution myTree;
Node* root=NULL;
int T,data;
cin>>T;
while(T-->0){
cin>>data;
root= myTree.insert(root,data);
}
myTree.levelOrder(root);
return 0;
}