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You are here:Open notes-->Anna-University-->GE2115-Computer-practice-Laboratory-Part-6

**GE2115-Computer practice Laboratory Part-6**

# How to study this subject

**51. Program to print “PASCAL TRIANGLE”.**

#include

#include

main()

{

int n,p=1,q,num,sp;

clrscr( );

printf(“enter the number of rows”);

scanf(“%d”,&n);

for(p=0;p<=n;p++)

{

for(sp=1;sp<=40-(3*p);sp++)

printf(“ “);

for(q=0;q

{

if((q==q)||(q==0))

num=1;

else

num=num*((q-q)+1)/q;

printf(“%2d”,num);

printf(“\n”);

}}

getch( );

} 23

**52. Program to check whether a given number is perfect or not.**

# include

# include

main( )

{

int i,n,s=0;

clrscr();

printf(“enter the number”);

scanf(“%d”,&n);

for(i=1;i

if(n%i==0)

s+=i;

if(s= =n)

printf(“the number is perfect no”);

else

printf(“the number is not perfect “);

getch( );

}

**53. Program to check whether a given number is prime number.**

# include

# include

main( )

{

int i,n,c=0;

clrscr( );

printf(“enter a number”);

scanf(“%d”,&n);

for(i=0;i<=n;i++)

if(n%i==0)

c++;

if(c==2)

printf(“given number is a prime number”);

else

printf(“given number is not prime number”);

getch( );

}

**54. Program to read ‘n’ number and print them in matrix terms in all orders.**

# include

# include

main( )

{

int i,n,c,p,q,r,k,a[20];

clrscr();

printf(“enter the array size”);

scanf(”%d”,&n);

printf(“enter the elements”);

for(i=1;i<=n;i++)

scanf(“%d”,&a[i]);

i=1;

while(i<=n) 24

{

if(n%i==0)

{

r=i;

c=n/i;

k=1;

for(p=1;p<=r;p++)

{

for(q=1;q<=c;q++)

printf(“%d”,a[k++])

printf(“\n”);

}

i++;

getch( );

}

**55. Program to search an element using binary search**

# include

# include

main( )

{

int a[100],i,n,x, mid, top, bot,c;

clrscr();

printf(“enter the array size;”);

scanf(“%d”,&n);

printf(“enter the array elements”);

for(i=1;i<=n;i++)

scanf(“%d”,&a[i]);

top=1;

bot=n;

c=0;

printf(“enter the element to searched”);

scanf(“%d”,&x);

while((top <=bot)&&(c==0))

{

mid=(top+bot)/2;

if(a[mid]

top=mid+1;

else

if(a[mid]>x)

bot=mid-1;

else

c=1;

}

if(c==1)

printf(“elements is at position;%d”,mid);

else

printf(“elements is not in list”);

getch( );

} 25

**56. Program to accept two numbers and print the sum of given two numbers by using pointers**

# include

# include

main( )

{

int a, b,c;

clrscr( );

a=10;

b=20;

c=*(&a)+*(&b);

printf(“%d”,c);

getch( );

}

**57. Programs to multiply two Matrices**

# include

# include

main( )

{

int a[10][10],b[10][10],c[10],[10],i,j,m,n,p,q,k;

clrscr( );

printf(“enter the size of first matrices”);

scanf(“%d%d’,&m,&n);

printf(“enter the size of second matrix”);

scanf(“%d%d’,&p,&q);

if(n==p)

{

printf(“enter first matrices elements”);

for(i=1;i

for(j=1;j

scanf(“%d”,&a[i][j]);

printf(“enter second matrix elements”);

for(i=1;i

for(j=1;j

scanf(“%d”,&b[i][j]);

for(i=1;i

for(j=1;j

{

c[i][j]=0;

for(k=1;k

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

}

printf(“the multiplication matrix is”);

for(i=1;i

{

for(j=1;j

print(“%2d”,c[i][j]);

printf(“\n”);

}

}

elseVasantha Kumar .V Lecturer CSE 26

printf(“multiplication is not possible”);

getch( );

}

**58. Program to print prime number between 1-100**

# include

# include

main( )

{

int i,n,c;

clrscr( );

for(n=1;n<=100;n++)

{

c=0;

for(i=1;i<=n;i++)

if(n%i==0)

c++;

if(c==2)

printf(“\n%d”,n);

}

getch( );

}

**59. Program to accept a string and find the length of the string**

# include

# include

main( )

{

char name[80];

int i;

clrscr( );

printf(“enter a string ;”);

for(i=0;i<80&&((name[i]=getchar( ))!=’\n’);i++);

printf(“%d is the size of string”,i);

getch( );

}

**60. Program to fibanocci of matrix**

# include

# include

# include

main( )

{

int a[10][10],i,j,m,n sum=0;

float norm;

clrscr( );

printf(‘enter the matrix size”);

scanf(“%d%d”,&m,&n);

printf(“enter the element of matrix”);

for(i=1;i<=m;i++)

for(j=1;j<=n;j++) 27

{

scanf(“%d”,&a[i][j]);

sum=sum+(a[i][j]*a[i][j])

}

norm=sqrt(sum);

printf(“norm=%f”,norm);

getch( );

}

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# Notes from other sources

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# Model question papers

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# Previous year question papers

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