Addition of two matrices

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#include

#include

void main()

{

int a[10][10], b[10][10], c[10][10], i, j, row, col;

clrscr();

printf("\nEnter number of rows and columns: ");

scanf("%d %d", &row, &col);

printf("\nEnter elements of Array A:\n");

for (i=0; i

{

for (j=0; j

{

scanf("%d", &a[i][j]);

printf("\nEnter elements of Array B:\n");

}

for (i=0; i

{

for (j=0; j

{

scanf("%d", &b[i][j]);

printf("\nElements of Matrix A:\n\n");

}

for (i=0; i

{

for (j=0; j

{

printf("\t%d", a[i][j]);

}

printf("\n\n");

}

}

printf("\nMatrix B:\n\n");

for (i=0; i

{

for (j=0; j

{

printf("\t%d", b[i][j]);

}

printf("\n\n");

}

for (i=0; i

{

for (j=0; j

{

c[i][j] = a[i][j] + b[i][j];

}

printf("\nAddition is:\n\n");

}

for (i=0; i

{

for (j=0; j

{

printf("\t%d", c[i][j]);

}

printf("\n");

}

getch();

}

}

C program to demonstrate use of arithmetic operators

Q:Write a program that prints Addition,subtraction,multiplication and division of two nos

#include

#include

void main()

{

float a,b,c,sum,product,division,subtraction;

clrscr();

printf("\tEnter a:");

scanf("%f",&a);

printf("\tEnter b:");

scanf("%f",&b);

sum=a+b;

product=a*b;

division=a/b;

subtraction=a-b;

printf("sum=%f\nproduct=%f\ndivision=%f\nsubtraction=%f",sum,product,division,subtraction);

getche();

}

Simple C program to print alphabets,numbers and special characters

Q: C program to print alphabets,numbers and special characters on the output screen

#include

#include

void main()

{

clrscr();

printf("");

getche();

}

Simple C program to print hello n how are you

Q: Write a program that prints hello on first line and How are you on second lineUsing simple printf statement

#include

#include

void main()

{

clrscr();

printf("\t\t hello \n\t How are you?");

getche();

}

To print a pattern

Q:
1
121
12321
1234321
123454321
12345654321
1234567654321
123456787654321
12345678987654321



#include
#include

void main()
{
int i,j,k,n=9;
for(i=1;i<=n;i++) { for (j=1; j<=n-i; j++) putchar(' '); for (j=1,k=2*i-1; j<=2*i-1; j++,k--) { if (j <= k) printf("%d", j); else printf("%d", k); } putchar('\n'); } getch(); }

To swap two values by functions

Q:
Function to show call by value


#include

#include
swap (int, int);
main()
{
int a, b;
printf("\nEnter value of a & b: ");
scanf("%d %d", &a, &b);
swap(a, b);
printf("\a=%d\n\b=%d", a, b);
getch();
}
swap (int a, int b)
{
int n;
n= a;
a = b;
b =n;
}

To print a pattern

Q:
1
34
567





#include
#include
void main()
{
int i,j,n,c=1;
clrscr();
printf("Enter value of n");
scanf("%d",&n);
for(j=1;j<=n;j++) { for(i=1;i<=j;i++) { printf("%d ",c); c++; } printf("\n"); c++; } getch(); }

To print Hello between two lines using functions

Q:
---------
hello
---------





#include
#include

int printline(int);
void main()
{
int n,i;
clrscr();
scanf("%d",&n);
printline(n);
printf("\nhello\n");
printline(n);
getch();
}
int printline(int n)
{
int i;
for(i=0;i<=n;i++) { printf("_"); } return n; }