practising C, C++ and JAVA programming with examples

program to know repetition of elements stored in array.

using turbo C++
-----------------------------------------------------------------------
//program to know repetition of elements stored in array.
#include<stdio.h>
#include<conio.h>
void main()
{
clrscr();
int arr[200],arr1[200],arra2_rep;
int size;
int i,j,k;
printf("enter size of elements \n");
scanf("%d",&size);
printf("enter array's elements\n");
for(i=0;i<size;i++)
{
printf("enter elements for location=%d\n",i);
scanf("%d",&arr[i]);
}
printf("elements' sorting process started\n");
for(i=0;i<size;i++)
{
arra2_rep=0; for(j=i+1;j<size;j++)
{
if(arr[i]==arr[j])
{
arr1[i]=ara2_rep++;
}
}
}
printf("repeated numbers are\n");
for(i=0;i<size;i++)
{
printf("number=%d and repeated times=%d\n",arr[i],arra1_rep[i]);
}
getch();
}

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in codeblocks
----------------------

//program to know repetition of elements stored in array.
#include<stdio.h>
int main()
{
int arr[200],arr1[200],arra2_rep;
int size;
int i,j,k;
printf("enter size of elements \n");
scanf("%d",&size);
printf("enter array's elements\n");
for(i=0;i<size;i++)
{
printf("enter elements for location=%d\n",i);
scanf("%d",&arr[i]);
}
printf("elements' sorting process started\n");
for(i=0;i<size;i++)
{

arra2_rep=0;
for(j=i+1;j<size;j++)
{
if(arr[i]==arr[j])
{
arra2_rep++;
arr1[i]=arra2_rep;
}
}
}
printf("repeated numbers are\n");
for(i=0;i<size;i++)
{
printf("number=%d and repeated times=%d\n",arr[i],arr1[i]);
}
return 0;

}

Write a program to show initialization of element in an array

using turbo c++
--------------------------------------------------------------------------------------------------
//Write a program to show initialization of element in an array
#include<stdio.h>
#include<conio.h>
void main()
{
float arr[4]={1,2,3,4},k; // array declaration with 4 elements
// can also be written as arr[]
printf("elements are\n");
for(k=0;k<=3;k++)
{
printf(" element for location=%d is\n",k); // for elements in particular location
printf("%f",arr[k]);
}
getch();
}

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using codeblocks or dev c++/online compiler
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//Write a program to show initialization of element in an array

#include<stdio.h>
int main()
{
float arr[4]={1,2,3,4},k; // array declaration with 4 elements
// can also be written as arr[]
printf("elements are\n");
for(k=0;k<=3;k++)
{
printf(" element for location=%d is\n",k); // for elements in particular location
printf("%f",arr[k]);
}
return 0;
}

WAP to search an element stored in an array.

using turbo c++
----------------------------------------------------------------------------------------------------------
// program to search an element in an array

#include <stdio.h>
#include<conio.h>
void main()
{
int a[100],n,i,number,location,j,found;
printf("enter total number\n");
scanf("%d",&n);
for(i=0;i<n;i++)
{
printf("enter number for location=%d\n",i);
scanf("%d",&a[i]);
}
printf("numbers before search, are:\n");
for(i=0;i<n;i++)
{
printf("%d\n",a[i]);
}
printf("enter number to be searched\n");
scanf("%d",&number);
for(i=0;i<n;i++)
{
if(number==a[i])
{
found=0;
break;
}
else
{
found=1;
}
}
if(found==0)
{
printf("number found and number %d location is %d\n",number,i);
}
else
{
printf("given number is not in the list");
}
getch();
}

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using codeblocks/dev c++/online compiler
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// program to search an element in an array

#include <stdio.h>

int main()
{
int a[100],n,i,number,location,j,found;
printf("enter total number\n");
scanf("%d",&n);
for(i=0;i<n;i++)
{
printf("enter number for location=%d\n",i);
scanf("%d",&a[i]);
}
printf("numbers before search, are:\n");
for(i=0;i<n;i++)
{
printf("%d\n",a[i]);
}
printf("enter number's to be searched\n");
scanf("%d",&number);
for(i=0;i<n;i++)
{
if(number==a[i])
{
found=0;
break;
}
else
{
found=1;
}
}
if(found==0)
{
printf("number found and number %d location is %d\n",number,i);
}
else
{
printf("given number is not in the list");
}
return 0;

}

program to count total positive elements among 'n' elements.

using turbo C++
-----------------------------------------------------------------------
// program to count total positive elements among 'n' elements.
#include <stdio.h>
#include<conio.h>
void main()
{
int a[100],n,i,count=0;
printf("enter total number\n");
scanf("%d",&n);
for(i=0;i<n;i++)
{
printf("enter number for location=%d\n",i);
scanf("%d",&a[i]);
}
for(i=0;i<n;i++)
{
if(a[i]>0)
{
count++;
}
}
printf("total positive elements is=%d",count);
getch();
}
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using online compiler/devC++/codeblocks with return concept
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// program to count total positive elements among 'n' elements.
#include <stdio.h>

int main()
{
int a[100],n,i;
printf("enter total number\n");
scanf("%d",&n);
for(i=0;i<n;i++)
{
printf("enter number for location=%d\n",i);
scanf("%d",&a[i]);
}
for(i=0;i<n;i++)
{
if(a[i]>0)
{
count++;
}
}
printf("total positive elements is=%d",count);
return 0;
}

program to get difference of all elements of two one dimensional arrays.

using turbo c++
----------------------------------------------------------------------------------------------------------
//program to get difference of all elements of two one dimensional arrays.
#include<stdio.h>
#include<conio.h>
void main()
{
int array_1[100],array_2[100];
int i;
int total_element;
printf("enter size of array\n");
scanf("'%d",&total_element);
printf("enter elements of first array\n");
for(i=0;i<total_element;i++)
{

scanf("%d",&array_1[i]);
}

printf("now enter for second array\n");
for(i=0;i<total_element;i++)
{

scanf("%d",&array_2[i]);
}
printf("the summed array is\n");
for(i=0;i<total_element;i++)
{
printf("%d\n",array_1[i]-array_2[i]);
}
getch();
}

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using codeblocks or dev c++/online compiler
-------------------------------------------------------------------------------------------------
//program to get difference of all elements of two one dimensional arrays.
#include<stdio.h>
int main()
{
int array_1[100],array_2[100];
int i;
int total_element;
printf("enter size of array\n");
scanf("'%d",&total_element);
printf("enter elements of first array\n");
for(i=0;i<total_element;i++)
{

scanf("%d",&array_1[i]);
}

printf("now enter for second array\n");
for(i=0;i<total_element;i++)
{

scanf("%d",&array_2[i]);
}
printf("the summed array is\n");
for(i=0;i<total_element;i++)
{
printf("%d\n",array_1[i]-array_2[i]);
}
return 0;
}

program to get sum of all elements of two one dimensional arrays.

using turbo c++
----------------------------------------------------------------------------------------------------------
//program to get sum of all elements of two one dimensional arrays.
#include<stdio.h>
#include<conio.h>
void main()
{
int array_1[100],array_2[100];
int i;
int total_element;
printf("enter size of array\n");
scanf("'%d",&total_element);
printf("enter elements of first array\n");
for(i=0;i<total_element;i++)
{

scanf("%d",&array_1[i]);
}

printf("now enter for second array\n");
for(i=0;i<total_element;i++)
{

scanf("%d",&array_2[i]);
}
printf("the summed array is\n");
for(i=0;i<total_element;i++)
{
printf("%d\n",array_1[i]+array_2[i]);
}
getch();
}

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using codeblocks or dev c++/online compiler
-------------------------------------------------------------------------------------------------
//program to get sum of all elements of two one dimensional arrays.
#include<stdio.h>
int main()
{
int array_1[100],array_2[100];
int i;
int total_element;
printf("enter size of array\n");
scanf("'%d",&total_element);
printf("enter elements of first array\n");
for(i=0;i<total_element;i++)
{

scanf("%d",&array_1[i]);
}

printf("now enter for second array\n");
for(i=0;i<total_element;i++)
{

scanf("%d",&array_2[i]);
}
printf("the summed array is\n");
for(i=0;i<total_element;i++)
{
printf("%d\n",array_1[i]+array_2[i]);
}
return 0;
}

program to store any 'n' elements and display those which are >15.

using turbo C++
-----------------------------------------------------------------------
// program to store any 'n' elements and display those which are >15.
#include <stdio.h>
#include<conio.h>
void main()
{
int a[100],n,i;
printf("enter total number\n");
scanf("%d",&n);
for(i=0;i<n;i++)
{
printf("enter number for location=%d\n",i);
scanf("%d",&a[i]);
}
for(i=0;i<n;i++)
{
if(a[i]>15)
{
printf("%d\n",a[i]);
}
}
getch();
}
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using online compiler/devC++/codeblocks with return concept
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// program to store any 'n' elements and display those which are >15.
#include <stdio.h>

int main()
{
int a[100],n,i;
printf("enter total number\n");
scanf("%d",&n);
for(i=0;i<n;i++)
{
printf("enter number for location=%d\n",i);
scanf("%d",&a[i]);
}
for(i=0;i<n;i++)
{
if(a[i]>15)
{
printf("%d\n",a[i]);
}
}
return 0;
}