Data structure output 1

1. INSERTION AND DELETION
PROGRAM:
#include<stdio.h>
void main()
{
int n,c,a,value,position,array[50];
clrscr();
printf("Enter the number of elements in arrayn");
scanf("%d",&n);
printf("Enter the %d elements n",n);
for(c=0;c<n;c++)
scanf("%d",&array[c]);
printf("1.Insertiont2.Deletionn");
scanf("%d",&a);
if(a==1)
{
printf("Enter the location where you wish to insert elementn");
scanf("%d",&position);
printf("Enter the value to insertn");
scanf("%d",&value);
for(c=n-1;c>=position-1;c--)
array[c+1]=array[c];
array[position-1]=value;
printf("Array is");
for(c=0;c<=n;c++)
printf("%dt",array[c]);
getch();
}
else
{
printf("Enter the location where you wish to delete elementn");
scanf("%d",&position);
if(position>=n+1)
printf("Deletion not posiblen");
for(c=position-1;c<n;c++)
array[c]=array[c+1];
printf("Array after deletion isn");
for(c=0;c<n-1;c++)
printf("%dt",array[c]);
getch();
}
}

OUTPUT:
Enter the number of elements in array
5
Enter the 5 elements
2
4
6
8
10
1.Insertion 2.Deletion
1
Enter the location where you wish to insert element
4
Enter the value to insert
7
Array is 2 4 6 7 8 10
Enter the number of elements in array
5
Enter the 5 elements
2
4
6
8
10
1.Insertion 2.Deletion
2
Enter the location where you wish to delete element
4
Array after deletion is
2 4 6 10

2. MERGING TWO SORTED ARRAYS
PROGRAM:
#include<stdio.h>
voidmain()
{
inta[50],b[50],c[100],m,n,i,j,k=0;
clrscr();
printf("nEntersize of array A:n");
scanf("%d",&m);
printf("nEntersortedelementsof arrayA:n");
for(i=0;i<m;i++)
{
scanf("%d",&a[i]);
}
printf("nEntersize of arrayB:n");
scanf("%d",&n);
printf("nEntersortedelementsof arrayB:n");
for(i=0;i<n;i++)
{
scanf("%d",&b[i]);
}
i=0;
j=0;
while(i<m&&j<n)
{
if(a[i]<b[j])
{
c[k]=a[i];
i++;
}
else
{
c[k]=b[j];
j++;
}
k++;
}
if(i>=m)
{
while(j<n)
{
c[k]=b[j];

j++;
k++;
}
}
if(j>=n)
{
while(i<m)
{
c[k]=a[i];
i++;
k++;
}
}
printf("nAftermerging:n");
for(i=0;i<m+n;i++)
{
printf("n%d",c[i]);
}
getch();
}
OUTPUT:
Enter sorted elements of array A:
2
4
6
8
Enter size of array B:
4
Enter sorted elements of array B:
1
3
5
7
After merging:
1
2
3
4
5
6
7
8

3. SEARCHING AN ELEMENT IN 2-D ARRAY
PROGRAM:
#include<stdio.h>
#include<conio.h>
voidmain()
{
inta[20][20],i,j,m,n,pos,item;
char f;
int*p=&a[0][0];
clrscr();
printf("Enterthe numberof row n");
scanf("%d",&m);
printf("Enterthe numberof column n");
scanf("%d",&n);
printf("Enterthe dataone byone in row wise n");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
scanf("%d",&a[i][j]);
}
printf("Enterthe searchitem n");
scanf("%d",&item);
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
if(a[i][j]==item)
{
p=p+(i*n+j)*16;
f='y';
printf("The searchitem%disinposition[%d][%d]",item,i,j);
printf("nTheaddressof the searchitem%dis%u",item,p);
break;
}
}
}
if(f!='y')
printf("nThesearchitem%disnotpresentinthe array",item);
getch();
}

OUTPUT:
Enter the numberof row
4
Enter the numberof column
3
Enter the data one by one inrow wise
2
4
6
8
10
12
14
16
18
20
22
24
Enter the searchitem
12
The search item12 isin position[1][2]
The addressof the searchitem12 is 64876

4. STACK OPERATION USING ARRAY
PROGRAM:
#include<stdio.h>
#include<conio.h>
#define n 10
struct stack
{
int top;
int data[n];
};
void main()
{
struct stack s;
int i,opt,item;
clrscr();
s.top=-1;
do
{
printf("n1.Pushn");
printf("2.Popn");
printf("3.Listn");
printf("4.Exitn");
printf("Enter any one optionn");
scanf("%d",&opt);
switch(opt)
{
case 1:if(s.top==n-1)
printf("Stack Fulln");
else
{
printf("Enter the data to push into the stackn");
scanf("%d",&item);
s.top=s.top+1;
s.data[s.top]=item;
}
break;
case 2:if(s.top==-1)
printf("Stack emptyn");
else
{
printf("The deleted element from stack is %d",s.data[s.top]);

s.top--;
}
break;
case 3:if(s.top==-1)
printf("n stack empty");
else
{
printf("The elements in the stack aren");
for(i=s.top;i>=0;i--)
printf("n%dn",s.data[i]);
}
break;
}
}
while(opt!=4);
getch();
}

OUTPUT:
1.Push
2.Pop
3.List
4.Exit
Enter any one option
1
Enter the data to push into the stack
10
1.Push
2.Pop
3.List
4.Exit
1
20
1.Push
2.Pop
3.List
4.Exit
1
30
1.Push
2.Pop
3.List
4.Exit
3
The elements in the stack are
30
20
10

1.Push
2.Pop
3.List
4.Exit
2
The deleted element from stack is 30
1.Push
2.Pop
3.List
4.Exit
2
The deleted element from stack is 30
1.Push
2.Pop
3.List
4.Exit
3
The elements in the stack are
20
10
1.Push
2.Pop
3.List
4.Exit
4

5. CONVERTING INFIX EXPRESSION TO POSTFIX EXPRESSION
PROGRAM:
#include<stdio.h>
#include<conio.h>
struct stack
{
intdata[50];
inttop;
};
struct stack s;
char infix[50],post[50];
voidpostfix();
voidpush(int);
char pop();
voidmain()
{
clrscr();
printf("Enterthe infix expressionn");
scanf("%s",infix);
postfix();
getch();
}
voidpostfix()
{
inti,j=0;
for(i=0;infix[i]!='0';i++)
{
switch(infix[i])
{
case'+':
while(s.data[s.top]>=i)
post[j++]=pop();
push(1);
break;
case'-':
while(s.data[s.top]>=1)
post[j++]=pop();
push(2);
break;
case'*':

post[j++]=pop();
push(3);
break;
case'/':
post[j++]=pop();
push(4);
break;
case'^':
post[j++]=pop();
push(5);
break;
case'(':
push(0);
break;
case')':
while(s.data[s.top]!=0)
post[j++]=pop();
s.top--;
break;
default:
post[j++]=infix[i];
}
}
while(s.top>0)
post[j++]=pop();
printf("ntThe postfix expressionis t%s",post);
}
voidpush(intv)
{
s.top++;
s.data[s.top]=v;
}
char pop()
{
inta;
char c;
a=s.data[s.top];
s.top--;
switch(a)
{
case 1:

c='+';
break;
case 2:
c='-';
break;
case 3:
c='*';
break;
case 4:
c='/';
break;
case 5:
c='^';
break;
}
return(c);
}
OUTPUT:
Enter the infix expression
(a+b*c-d/e)
The postfix expressionis abc*+de/-

6. EVALUATING A POSTFIX EXPRESSION
PROGRAM:
#include<stdio.h>
#include<conio.h>
#include<math.h>
#include<ctype.h>
struct stack
{
inttop;
floata[20];
}s;
voidmain()
{
inti,n;
floatopt1,opt2,opt3;
char ex[20];
clrscr();
s.top=-1;
printf("nEnterthe postfix expression:");
gets(ex);
n=strlen(ex);
for (i=0;i<n;i++)
{
if (isdigit(ex[i]))
{
s.top++;
s.a[s.top]=ex[i]-'0';
}
else
{
opt2=s.a[s.top--];
opt1=s.a[s.top--];
switch(ex[i])
{
case'+':
opt3=opt1+opt2;
break;
case'-':
opt3=opt1-opt2;
break;
case'*':

opt3=opt1*opt2;
break;
case'/':
opt3=opt1/opt2;
break;
case'^':
opt3=pow(opt1,opt2);
break;
}
s.a[++s.top]=opt3;
}
}
printf("nTheResult%sis%.2f",ex,s.a[s.top]);
getch();
}
OUTPUT:
Enter the postfix expression:853*+94/-
The Result853*+94/- is20.75

7. QUEUE OPERATIONS USING ARRAY
PROGRAM:
#include<stdio.h>
#include<conio.h>
struct queue
{
intdata[50];
intfront;
intrear;
};
inti,opt,item;
intx;
voidmain()
{
struct queue q;
clrscr();
q.front=-1;
q.rear=-1;
do
{
printf("Selectanyone option n");
printf("1.Create n");
printf("2.Listn");
printf("3.Insert n");
printf("4.Deleten");
printf("5.Exitn");
scanf("%d",&opt);
switch(opt)
{
case 1:
printf("Enter10data one by one n");
for(i=0;i<10;i++)
scanf("%d",&q.data[++q.rear]);
break;
case 2:
printf("The datainthe queue are n");
for(i=q.front+1;i<=q.rear;i++)
printf("%dn",q.data[i]);
break;
case 3:
printf("Enterthe datatoinsert n");

scanf("%d",&item);
q.data[++q.rear]=item;
break;
case 4:
q.front++;
x=q.data[q.front];
printf("nThedeleateditemis t%dn",x);
break;
}
}
while(opt!=5);
getch();
}

OUTPUT:
Selectanyone option
1.Create
2.List
3.Insert
4.Delete
5.Exit
1
Enter 10 data one byone
1
2
3
4
5
6
7
8
9
10
Selectanyone option
1.Create
2.List
3.Insert
4.Delete
5.Exit
3
Enter the data to insert
11
1.Create
2.List
3.Insert
4.Delete
5.Exit
2
The data in the queue are
1
2
3
4
5

6
7
8
9
10
11
Selectanyone option
1.Create
2.List
3.Insert
4.Delete
5.Exit
4
The deleateditemis 1
Selectanyone option
1.Create
2.List
3.Insert
4.Delete
5.Exit
4
The deleateditemis 2
Selectanyone option
1.Create
2.List
3.Insert
4.Delete
5.Exit
5

Data structure output 1

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Data structure output 1