C Prog 20prog Prectical Answer(2)

8/8/2019 C Prog 20prog Prectical Answer(2)

1/23

1.WAP to print the grade according to following specifications:

Marks Grade

>=90 A

>=75 & =60 & =50 & =90)

{

printf("Enterd Mark is %d and Grade is A",a);

}

else if(a>=75 && a=60 && a


2/23

else if(a>=50 && a


3/23

2) WAP to reverse a given number using the do while loop.

#include

#includevoid main()

{

int num;

clrscr();

printf("please enter any arbitary number");

scanf("%d",&num);

printf("Enterd number is %d",num);

int rev=0;

int n=num;

do

{

int rem;

rem=n%10;

rev=rev*10+rem;

n=n/10;

}

while(n>0);

printf("the reverse of number %d is %d",n,rev);

getch();

}

3) WAP to check whether a given number is Armstrong or not. (153 =1*1*1+5*5*5+3*3*3).


4/23

#include

#include

#includemain()

{

int n,no,r,sum=0;

clrscr();

printf("Enter any no.\n");

scanf("%d",&n);

no=n;

while(n!=0)

{

r=n%10;

sum=sum+pow(r,3);

n=n/10;

}

if(sum==no)

printf("The given no. %d is Armstrong No.\n",no);

else

printf("The given no. is NOT Armstrong No.\n");

getch();

return(0);

}

4) WAP to print the Fibonacci series 1 1 2 3 5 8 13

#include


5/23

#include

#include

main()

{

int i,a,b,fibo,n;

clrscr();

printf("1\t1\t");

a=1;

b=1;

fibo=a+b;for(i=1;i


6/23

void main()

{

void swap(int,int);

int a=0,b=20;clrscr();

printf("\n \t Before calling swap a=%d \t b=%d",a,b);

swap(a,b);

printf("\n \t After calling swap a=%d /t b=%d",a,b);

getch();

}

void swap(int x,int y)

{

int temp;

temp=x;

x=y;

y=temp;

printf("\n \t In swap x=%d \t y=%d",x,y);

}

6) '' '' '' '' call by reference.

#include

#include

void main()


7/23

{

void swap(int,int);

int a,b;

printf("please enter two no's to swap");scanf("%d %d",&a,&b);

swap(a,b);

getch();

}

void swap(int x,int y)

{

int temp=x;

x=y;

y=temp;

printf("after swap the nos are a=%d,b=%d",x,y);

}

7) WAP to find power of given number using recursion.

#include

#include

int pow(int a, int b)

{


8/23

if(b==0)

return (1);

else

{return(a* pow(a,b-1));

}

}

void main()

{

int a,b,p;

clrscr();

printf("Enter two numbers");

scanf("%d %d",&a,&b);

p=pow(a,b);

printf("the result is %d",p);

getch();

}

8) WAP to find factorial of a number using recursion.

#include#include

void main()

{

long n,factorial;


9/23

long fact(long);

printf("Enter any number\n");

scanf("%l",&n);

factorial=fact(n);printf("Factorial is %l\n",factorial);

getch();

}

long fact(long n)

{

long res=1,i;

for (i=n;i>=1;i--)

res=res*i;

return(res);

}

9) WAP to find GCD of 2 numbers.

#include

#include

void main()

{

int i=1,a,b,num;

clrscr();


10/23

printf("\nEnter two numbers.");

scanf("%d%d",&a,&b);

while(a%i==0&&b%i==0){

num=i;

i++;

}

printf("GCD of two numbers is %d\n",num);

getch();

}

10) WAP to multiply 2 matrices.

#include

#include

void main()

{

int i,j,k;

int a[3][3],b[3][3],c[3][3];


11/23

clrscr();

printf("Enter the elements of first matrix");

for(i=0;i


12/23

11) WAP to find transpose of two matrices.

#include#includevoid swap(int *x,int *y);main(){int i,j,k,m,n;int matrix[3][3];printf("Enter the matrix: \n\n");for (i=0;i


13/23

}printf("\n\n");for (j=0;j


14/23

for(i=0;i


15/23

{

scanf("%d ",&a1[i]);

}

for(i=0;i


16/23

14) WAP to check a given string is Palindrome or not.

#include

#include

#include

void main()

{

clrscr();

char S1[20],S2[20];

printf("enter any string\n");

gets(S1);

strcpy(S2,S1);


17/23

strrev(S2);

if((strcmp(S1,S2))==0)

printf("\nstring %s is not palindrome",S1);

elseprintf("\nstring %s is palindrome",S1);

getch();

}

15) WAP to reverse a given string without using strrev ().

#include #include #include

void main(){

char str[10],temp;int i,len;printf("Enter String : ");

scanf("%s",str);len=strlen(str)-1;for(i=0;i


18/23

printf("%s",str);getch();

}

16) )WAP to concatenate two string using strcat ().#include

#include

#include

void main()

{

int i,j,k;

char a[10], b[10], c[20];

clrscr();

printf ("Enter two strings; ");

scanf ("%s%s", &a,&b);

for (i=0; a[i]!='\0'; i++)


19/23

{

c[i]=a[i];

}

for (j=i, k=0;b[k]!='\0';k++,j++){

c[j]= b[k];

}

c[j] ='\0';

printf("The concatenction is %s" ,c);

getch();

}

17) WAP to copy one file to another file

#include

#include

#include

void main()

{

FILE *fp,*ft;

char ch;clrscr();

fp=fopen("d:/original.txt","r");

ft=fopen("d:/copy.txt","w");

while (1)


20/23

{

ch=fgetc(fp);

if(ch==EOF)

{printf("Contents are written successfully into the file");

getch();

exit(1);

}

fputc(ch,ft);

}

getch();

}

18) WAP to append content of 1 file to another file.

/*String.c string variable*/#include < stdio.h >main(){char month[15];printf (Enter the string);gets (month);printf (The string entered is %s, month);}


21/23

19) WAP to check a given number is prime or not

#include

#include

void main()

{

int i=1,a,b,num;

clrscr();

printf("\nEnter two numbers.");

scanf("%d",&a);

while(a%i==0&&a%1==0)

{

num=i;


22/23

i++;

}

printf("GCD of two numbers is %d\n",num);

getch();}

20) WAP to print the following pattern.

#include

#include

void main()

{

int i,j,k,l;

clrscr();

for(i=0;i


23/23

Documents

C Prog 20prog Prectical Answer(2)