DevCPP/polyAdd2.cpp at master · s-ekam/DevCPP · GitHub

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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
#include <iostream>
using namespace std;

struct node{
    int power;
    int coeff ;
    node *link;
};

struct node *head1,*head2 ,*head7;

void insert1(int val1,int val2){
     struct node *ptr3 = head1;
     struct node *temp3 = new node;
     while(ptr3->link!=NULL){
         ptr3=ptr3->link;
     }
     temp3->power=val1;
     temp3->coeff=val2;
     temp3->link=NULL;
     ptr3->link=temp3;
}

void display(){
    struct node *ptr3 = head7;
    while(ptr3->link!=NULL){
        cout<<ptr3->coeff<<"x^"<<ptr3->power<<"+";
    }
}


void insert2(int val1,int val2){
     struct node *ptr4 = head2;
     struct node *temp4 = new node;
     while(ptr4->link!=NULL){
         ptr4=ptr4->link;
     }
     temp4->power=val1;
     temp4->coeff=val2;
     temp4->link=NULL;
     ptr4->link=temp4;
}


int main() {

    struct node *ptr1 = head1;
    struct node *ptr2 = head2;
    struct node *ptr7 = head7;
    struct node *temp1 = new node;
    struct node *temp2 = new node;
    struct node *temp7 = new node;

    int power1,coeff1;
    int n;
    cout<<"How many nodes do you want in your linked list?";
    cin>>n;

	if (head1==NULL){
	    cout<<"Enter the power of polynomial 1.\n";
	    cin>>power1;
	    cout<<"Enter the coefficient of polynomial 1\n";
	    cin>>coeff1;
	    temp1->power=power1;
	    temp1->coeff=coeff1;
	    temp1->link=NULL;
	    head1=temp1;
	}


	if (head2==NULL){
	     cout<<"Enter the power of polynomial 2.\n";
	    cin>>power1;
	    cout<<"Enter the coefficient of polynomial 2.\n";
	    cin>>coeff1;
	    temp2->power=power1;
	    temp2->coeff=coeff1;
	    temp2->link=NULL;
	    head1=temp2;
	}

	for(int z=2;z<=n;z++){
	    cout<<"Enter "<<z<<"th power and coefficient for your polynomial 1\n";
	    cin>>power1>>coeff1;
	    insert1(power1 , coeff1);
	}


	for(int z=2;z<=n;z++){
	    cout<<"Enter "<<z<<"th power and coefficient for your polynomial 2\n";
	    cin>>power1>>coeff1;
	    insert2(power1 , coeff1);
	}
	int newcoeff,power2;
	ptr1=head1;
	ptr2=head2;
	ptr7=head7;
	temp7->link=head7;
	while(ptr1->link!=NULL){

	    if(ptr1->power==ptr2->power){
	        if(head7==NULL){
	            temp7->power=ptr1->power;
	            temp7->coeff=ptr1->coeff+ptr2->coeff;
	            head7=temp7;
	            temp7->link=NULL;
	        ptr2=ptr2->link;
	        ptr1=ptr1->link;
	        }
	        else{
	       while(ptr7->link!=NULL){
	           ptr7=ptr7->link;
	       }

	           temp7->power=ptr1->power;
	            temp7->coeff=ptr1->coeff+ptr2->coeff;

	            temp7->link=NULL;
	            ptr7->link=temp7;
	        ptr2=ptr2->link;
	        ptr1=ptr1->link;
	       }
	        }

	    }

	display();


	return 0;
}