practising C, C++ and JAVA programming with examples

Neb22:program to get difference of two matrices of order mxn

//program to get difference of two matrices of order mxn
#include<stdio.h>
#include<conio.h>
void main()
{
int matrics_1[100][100],matrics_2[100][100];
int i,j;
int total_row,total_col;
printf("enter total number of rows(m)\n");
scanf("'%d",&total_row);
printf("'enter total columns(n)\n");;
scanf("%d",&total__col);
printf("enter elements of first matrix\n");
for(i=0;i<total_row;i++)
{
for(j=0;j<total_col;j++)
{
scanf("%d",&matrics_1[i][j]);
}
}
printf("now enter for second matrix\n");
for(i=0;i<total_row;i++)
{
for(j=0;j<total_col;j++)
{
scanf("%d",&matrics_2[i][j]);
}
}
printf("the summed matrix is\n");
for(i=0;i<total_row;i++)
{
for(j=0;j<total_col;j++)
{
printf("%d",matrics_1[i][j]-matrics_2[i][j]);
}
printf(\n");
}
getch();

hseb21:;program to get sum of two matrices of order mxn

///program to get sum of two matrices of order mxn
#include<stdio.h>
#include<conio.h>
void main()
{
int matrics_1[100][100],matrics_2[100][100];
int i,j;
int total_row,total_col;
printf("enter total number of rows(m)\n");
scanf("'%d",&total_row);
printf("'enter total columns(n)\n");;
scanf("%d",&total__col);
printf("enter elements of first matrix\n");
for(i=0;i<total_row;i++)
{
for(j=0;j<total_col;j++)
{
scanf("%d",&matrics_1[i][j]);
}
}
printf("now enter for second matrix\n");
for(i=0;i<total_row;i++)
{
for(j=0;j<total_col;j++)
{
scanf("%d",&matrics_2[i][j]);
}
}
printf("the summed matrix is\n");
for(i=0;i<total_row;i++)
{
for(j=0;j<total_col;j++)
{
printf("%d",matrics_1[i][j]+matrics_2[i][j]);
}
printf(\n");
}
getch();
}

hseb20:program to get maximum and minimum value

//program to get maximum and minimum value
#include<stdio.h>
#include<conio.h>
void main()
{
int a[200],size,i,max,min;
printf("enter value of size to be stored in array\n");
scanf("%d",&size);
for(i=0;i<size;i++)
{
printf("enter value for location=%d",i);
scanf("%d",&a[i]);
}
max=a[2];
min=a[1];
for(i=0;i<size;i++)
{
if(max<a[i])
{
max=a[i];
}
else if (min>a[i])
{
min=a[i];
}
}
printf("the maximum value=%d\n",max);
printf("the minimum value=%d\n",min);
getch();
}

hseb19 solution:program to do different operation using switch

//program to carry out different operation using switch.
#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
int choice;
int length_rect,breadth_rect;
char string[200];
printf("'we have following menu\n");
printf( "1.to get length of string\n");
printf("2. to get area of rectangle\n");
printf("3 to reverse a string\n");
printf("4 exit");
printf("enter your choice 1 or 2 or 3 or 4\n");
scanf("%d",&choice);
switch(choice)
{
case 1:
printf("we are going to get length of string\n");
printf("enter string\n");
gets(string);
printf("the length=%d",strlen(string));
break;
case 2:
printf("we are going to get area of rectangle\n");
printf("enter its length and breadth\n");
scanf("%d%d",&length_rect,&breadth_rect);
printf("the area=%d",length_rect*breadth_rect);
break;

case 3:
printf("we are going to reverse the string\n");
printf("enter your string\n");
gets(string);
printf("the reverse=%s",strrev(string));
break;
case 4:
printf("we are going to exit\n");
break;

default:
printf("sorry, not a valid input\n");
printf("thank u, terminating....\n");
}
getch();
}

hseb sol17:program to get all even numbers lying between 1 and 100

//program to print/display all even numbers lying between 1 and 100.
#include<stdio.h>
#include<conio.h>
void main()
{
int k,n;
printf("enter value of 'n'\n");
scanf("%d",&n);
for(k=1;k<=n;k++)
{
if(k%2==0)
{ printf("%d,",k);
}
}
getch();
}

hseb_12_sol:Program to know a number is Armstrong or not

/*program to check a number is Armstrong or not .
we are taking number with three digits*/
#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
clrscr();
int i,k,rem,sum=0;
printf("enter a three digit number to be checked\n");
scanf("%d",&i);
k=i;
while(i!=0)
{
rem=i%10;
   sum=sum+pow(rem,3);
   i=i/10;
  }
if(sum==k)
{
   printf("%d is Armstrong\n",k);

}
else
{
printf("%d is not Armstrong\n",k);;}
getch();
}