//1. Program to initialize an array using compile time initialization and print the array elements.
#include<stdio.h>
int main()
{
int a[5]={1,2,5,9,12},i;
printf("Elements of array are,\n");
for(i=0 ; i<sizeof(a)/sizeof(a[0]) ;i++ )
{
printf("Array element at index %d is %d\n",i,a[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
int a[5]={1,2,5,9,12},i;
printf("Elements of array are,\n");
for(i=0 ; i<sizeof(a)/sizeof(a[0]) ;i++ )
{
printf("Array element at index %d is %d\n",i,a[i]);
}
return 0;
}
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//2. Program to initialize an array using run time initialization and print the array elements.
#include<stdio.h>
int main()
{
int a[20],i,n;
printf("Enter number of elements:");
scanf("%d",&n);
printf("Enter the elements into the array:\n");
for(i=0 ; i<n ; i++)
{
scanf("%d",&a[i]);
}
printf("Elements of array are,\n");
for(i=0 ; i<n ;i++ )
{
printf("Array element at index %d is %d\n",i,a[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
int a[20],i,n;
printf("Enter number of elements:");
scanf("%d",&n);
printf("Enter the elements into the array:\n");
for(i=0 ; i<n ; i++)
{
scanf("%d",&a[i]);
}
printf("Elements of array are,\n");
for(i=0 ; i<n ;i++ )
{
printf("Array element at index %d is %d\n",i,a[i]);
}
return 0;
}
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//3. Program to find sum and average of n array elements
#include<stdio.h>
int main()
{
int a[20],sum=0,n,i;
float avg;
printf("Enter number of elements in the array:");
scanf("%d",&n);
printf("Enter the elements into the array:");
for(i=0 ; i<n ;i++) // loop for reading elements into array
{
scanf("%d",&a[i]);
}
for(i=0 ; i<n ;i++) //loop for calculating sum of array elements
{
sum = sum + a[i];
}
avg=(float)sum/n;
printf("Sum of array elements:%d\n",sum);
printf("Average of array elements:%f\n",avg);
return 0;
}
#include<stdio.h>
int main()
{
int a[20],sum=0,n,i;
float avg;
printf("Enter number of elements in the array:");
scanf("%d",&n);
printf("Enter the elements into the array:");
for(i=0 ; i<n ;i++) // loop for reading elements into array
{
scanf("%d",&a[i]);
}
for(i=0 ; i<n ;i++) //loop for calculating sum of array elements
{
sum = sum + a[i];
}
avg=(float)sum/n;
printf("Sum of array elements:%d\n",sum);
printf("Average of array elements:%f\n",avg);
return 0;
}
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// 4.Program to find product of n elements in the array
#include<stdio.h>
int main()
{
int a[20],n,i,product=1;
printf("Enter number of elements in the array:");
scanf("%d",&n);
printf("Enter %d elements into the array:\n",n);
for(i=0; i< n ;i++) //loop to read array elements
{
scanf("%d",&a[i]);
}
for(i=0 ; i< n ; i++) //loop to compute product of array elements
{
product=product*a[i];
}
printf("Product of the array elements : %d",product);
return 0;
}
#include<stdio.h>
int main()
{
int a[20],n,i,product=1;
printf("Enter number of elements in the array:");
scanf("%d",&n);
printf("Enter %d elements into the array:\n",n);
for(i=0; i< n ;i++) //loop to read array elements
{
scanf("%d",&a[i]);
}
for(i=0 ; i< n ; i++) //loop to compute product of array elements
{
product=product*a[i];
}
printf("Product of the array elements : %d",product);
return 0;
}
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// 5.Program to find the largest element in the array
#include<stdio.h>
int main()
{
int a[]={12,10,52,3,34},n,large,i;
n=sizeof(a)/sizeof(a[0]); // n will have the length of the array ,here its 5
large=a[0]; // first we will assume that first element is largest
for(i=1; i<n ;i++)
{
if(a[i]>large) // checking wheather other elements is larger than first element
{
large=a[i]; //if any element is large assigning that value to large
}
}
printf("The largest element in the array is %d",large);
return 0;
}
#include<stdio.h>
int main()
{
int a[]={12,10,52,3,34},n,large,i;
n=sizeof(a)/sizeof(a[0]); // n will have the length of the array ,here its 5
large=a[0]; // first we will assume that first element is largest
for(i=1; i<n ;i++)
{
if(a[i]>large) // checking wheather other elements is larger than first element
{
large=a[i]; //if any element is large assigning that value to large
}
}
printf("The largest element in the array is %d",large);
return 0;
}
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// 6.Program to find the smallest element in the array
#include<stdio.h>
int main()
{
int a[]={11,5,10,3,34},n,smallest,i;
n=sizeof(a)/sizeof(a[0]); // n will have the length of the array ,here its 5
smallest = a[0]; // first we will assume that first element is smallest
for(i=1; i<n ;i++)
{
if(a[i] < smallest) // checking wheather other elements is smaller than first element
{
smallest=a[i]; //if any element is smaller ,assigning that value to smallest
}
}
printf("The smallest element in the array is %d",smallest);
return 0;
}
#include<stdio.h>
int main()
{
int a[]={11,5,10,3,34},n,smallest,i;
n=sizeof(a)/sizeof(a[0]); // n will have the length of the array ,here its 5
smallest = a[0]; // first we will assume that first element is smallest
for(i=1; i<n ;i++)
{
if(a[i] < smallest) // checking wheather other elements is smaller than first element
{
smallest=a[i]; //if any element is smaller ,assigning that value to smallest
}
}
printf("The smallest element in the array is %d",smallest);
return 0;
}
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// program to print the array elements in reverse order .
#include<stdio.h>
int main()
{
int a[]={2,5,4,8,7},n,i;
n=sizeof(a)/sizeof(a[0]);
printf("The elements of the array are:\n");
for(i=0 ; i<n ; i++)
{
printf("%d\t",a[i]);
}
printf("\nThe array elements in reverse are:\n");
for(i=n-1 ; i>=0 ; i--)
{
printf("%d\t",a[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
int a[]={2,5,4,8,7},n,i;
n=sizeof(a)/sizeof(a[0]);
printf("The elements of the array are:\n");
for(i=0 ; i<n ; i++)
{
printf("%d\t",a[i]);
}
printf("\nThe array elements in reverse are:\n");
for(i=n-1 ; i>=0 ; i--)
{
printf("%d\t",a[i]);
}
return 0;
}
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//8. Program to read n integers into array and count number of odd and even
#include<stdio.h>
int main()
{
int a[50],i,odd=0,even=0,n;
printf("Enter the value of n:");
scanf("%d",&n);
printf("Enter the elements into the array:\n");
for(i=0 ; i< n ;i++ )
{
scanf("%d",&a[i]);
}
for(i=0 ; i<n ;i++)
{
if(a[i]%2 == 0)
even++; //even = even +1
else
odd++;
}
printf("Number of even numbers entered:%d\n",even);
printf("Number of odd numbers entered :%d",odd);
return 0;
}
#include<stdio.h>
int main()
{
int a[50],i,odd=0,even=0,n;
printf("Enter the value of n:");
scanf("%d",&n);
printf("Enter the elements into the array:\n");
for(i=0 ; i< n ;i++ )
{
scanf("%d",&a[i]);
}
for(i=0 ; i<n ;i++)
{
if(a[i]%2 == 0)
even++; //even = even +1
else
odd++;
}
printf("Number of even numbers entered:%d\n",even);
printf("Number of odd numbers entered :%d",odd);
return 0;
}
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//9. Write a C Program to generate Fibonacci series using arrays
#include<stdio.h>
int main()
{
int fib[20],i,n;
printf("Enter number of terms in the fibonacci series:");
scanf("%d",&n);
if(n<=0)
{
printf("Invalid input entered ,Please enter a positive number");
return 1;
}
fib[0]=0;
fib[1]=1;
for(i=2 ; i<n ;i++) //loop to generate fibonacci series
{
fib[i]=fib[i-1]+fib[i-2];
}
printf("Fibonacci series upto %d terms :\n",n);
for(i=0 ; i<n ; i++)
{
printf("%d ",fib[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
int fib[20],i,n;
printf("Enter number of terms in the fibonacci series:");
scanf("%d",&n);
if(n<=0)
{
printf("Invalid input entered ,Please enter a positive number");
return 1;
}
fib[0]=0;
fib[1]=1;
for(i=2 ; i<n ;i++) //loop to generate fibonacci series
{
fib[i]=fib[i-1]+fib[i-2];
}
printf("Fibonacci series upto %d terms :\n",n);
for(i=0 ; i<n ; i++)
{
printf("%d ",fib[i]);
}
return 0;
}
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//10. Program to add two single dimensional arrays which have 5 elements in each.
#include<stdio.h>
int main()
{
int a[5]={1,5,7,3,9},b[5]={2,6,4,8,10},c[5],i;
for(i=0;i<5;i++)
{
c[i]=a[i]+b[i];
}
printf("Resultant array after adding the two array's:\n");
for(i=0 ;i<5 ;i++)
{
printf("%d\t",c[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
int a[5]={1,5,7,3,9},b[5]={2,6,4,8,10},c[5],i;
for(i=0;i<5;i++)
{
c[i]=a[i]+b[i];
}
printf("Resultant array after adding the two array's:\n");
for(i=0 ;i<5 ;i++)
{
printf("%d\t",c[i]);
}
return 0;
}
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// 11.Program to find the second largest element of an array
#include<stdio.h>
int main()
{
int a[20],i,large1,large2,size;
printf("Enter the size of the array:");
scanf("%d",&size);
printf("Enter the elements of the array:\n");
for(i=0 ; i< size ; i++)
{
scanf("%d",&a[i]);
}
if(a[0]>a[1]){
large1=a[0];
large2=a[1];
}
else{
large1=a[1];
large2=a[2];
}
for(i=2 ; i<size ;i++)
{
if(a[i]>large1){
large2=large1;
large1=a[i];
}
else if(a[i] > large2 && a[i]<large1){
large2=a[i];
}
}
printf("The second largest element of the array= %d",large2);
return 0;
}
#include<stdio.h>
int main()
{
int a[20],i,large1,large2,size;
printf("Enter the size of the array:");
scanf("%d",&size);
printf("Enter the elements of the array:\n");
for(i=0 ; i< size ; i++)
{
scanf("%d",&a[i]);
}
if(a[0]>a[1]){
large1=a[0];
large2=a[1];
}
else{
large1=a[1];
large2=a[2];
}
for(i=2 ; i<size ;i++)
{
if(a[i]>large1){
large2=large1;
large1=a[i];
}
else if(a[i] > large2 && a[i]<large1){
large2=a[i];
}
}
printf("The second largest element of the array= %d",large2);
return 0;
}
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What is Traversing of an array?
The process of visiting each and every element of an array in a specific order is called Traversing an array.
This can be done using a loop, such as a for loop or a while loop.
The process of visiting each and every element of an array in a specific order is called Traversing an array.
This can be done using a loop, such as a for loop or a while loop.
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// Program for traversing an array
#include<stdio.h>
int main()
{
int a[30],i,size;
printf("Enter the size of the array:");
scanf("%d",&size);
printf("Enter the array elements:\n");
for(i=0 ; i< size ;i++)
{
scanf("%d",&a[i]);
}
//Traversing array elements using for loop
for(i=0 ;i<size ;i++)
{
printf("%d\t",a[i]);
}
return 0;
}
#include<stdio.h>
int main()
{
int a[30],i,size;
printf("Enter the size of the array:");
scanf("%d",&size);
printf("Enter the array elements:\n");
for(i=0 ; i< size ;i++)
{
scanf("%d",&a[i]);
}
//Traversing array elements using for loop
for(i=0 ;i<size ;i++)
{
printf("%d\t",a[i]);
}
return 0;
}
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What is meant by insertion?
Placing a new element at a specified position of an array is called as insertion.
This operation can help maintain the order or structure of data within the array.
Placing a new element at a specified position of an array is called as insertion.
This operation can help maintain the order or structure of data within the array.
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//Program to insert an element at specific position in a sorted array.
#include<stdio.h>
#include<stdlib.h>
int main()
{
int a[50],i,size,position,val;
printf("Enter the size of the array :");
scanf("%d",&size);
if(size > 50) //bound checking
{
printf("Invalid size input");
exit(1);
}
printf("Enter elements into the array(sorted):");
for(i=0; i< size ; i++)
scanf("%d",&a[i]);
printf("Enter at which position you want insert element:");
scanf("%d",&position);
printf("Enter the value to be inserted:");
scanf("%d",&val);
for(i=size-1 ; i>=position-1 ; i--)
{
a[i+1]=a[i];
}
a[position-1]=val;
size++;
printf("Resultant array after insertion:\n");
for(i=0 ; i<size ; i++)
printf("%d\t",a[i]);
return 0;
}
#include<stdio.h>
#include<stdlib.h>
int main()
{
int a[50],i,size,position,val;
printf("Enter the size of the array :");
scanf("%d",&size);
if(size > 50) //bound checking
{
printf("Invalid size input");
exit(1);
}
printf("Enter elements into the array(sorted):");
for(i=0; i< size ; i++)
scanf("%d",&a[i]);
printf("Enter at which position you want insert element:");
scanf("%d",&position);
printf("Enter the value to be inserted:");
scanf("%d",&val);
for(i=size-1 ; i>=position-1 ; i--)
{
a[i+1]=a[i];
}
a[position-1]=val;
size++;
printf("Resultant array after insertion:\n");
for(i=0 ; i<size ; i++)
printf("%d\t",a[i]);
return 0;
}
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//Program to insert an element at specific position in a unsorted array.
#include<stdio.h>
#include<stdlib.h>
int main()
{
int a[50],i,size,position,val;
printf("Enter the size of the array :");
scanf("%d",&size);
if(size > 50) //bound checking
{
printf("Invalid size input");
exit(1);
}
printf("Enter elements into the array:");
for(i=0; i< size ; i++)
scanf("%d",&a[i]);
printf("Enter at which position you want insert element:");
scanf("%d",&position);
printf("Enter the value to be inserted:");
scanf("%d",&val);
a[size]=a[position-1];
size++;
a[position-1]=val;
printf("Resultant array after insertion:\n");
for(i=0 ; i<size ; i++)
printf("%d\t",a[i]);
return 0;
}
#include<stdio.h>
#include<stdlib.h>
int main()
{
int a[50],i,size,position,val;
printf("Enter the size of the array :");
scanf("%d",&size);
if(size > 50) //bound checking
{
printf("Invalid size input");
exit(1);
}
printf("Enter elements into the array:");
for(i=0; i< size ; i++)
scanf("%d",&a[i]);
printf("Enter at which position you want insert element:");
scanf("%d",&position);
printf("Enter the value to be inserted:");
scanf("%d",&val);
a[size]=a[position-1];
size++;
a[position-1]=val;
printf("Resultant array after insertion:\n");
for(i=0 ; i<size ; i++)
printf("%d\t",a[i]);
return 0;
}
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Deletion:
Deletion is an operation or process that involves removing or eliminating a specific element of an array
Deletion is an operation or process that involves removing or eliminating a specific element of an array
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