First Year Basic C Program Part 1

C - EXAMPLE PROGRAMS

1. Program to print text

main()

{

clrscr();

printf(“HELLO WELCOME TO VIDYARTHI COMPUTERS”); printf(“Hanamkonda Warangal phone : 0870-2574900, 9849103344”); getch();

}

2. Program To Read Two Numbers And Print The Sum Of Given Two Numbers.

main()

{

int a,b, sum;

clrscr ();

printf (“ENTER VALUE FOR A ; “);

scanf (“%d”,&a);

printf(“ENTER VALUE FOR B ;”);

scanf(“%d”,&b);

sum=a+b;

printf(“Sum Of Given Two Numbers are %d”, sum);

getch();

}

3. Program To Accept Student Roll No, Marks in 3 Subjects and Calculate Total, Average and Print it.

main()

{ int r,b,c,d, tot, avg;

clrscr();

printf (“ENTER STUDENT RNO ; “);

scanf (“%d”,&r);

printf(“ENTER FIRST SUBJECT MARKS ;”);

scanf(“%d”,&b);

printf(“ENTER SECOND SUBJECT MARKS;”);

scanf(“%d”,&c);

printf(“ENTER THIRD SUBJECT MARKS ;”);

scanf(“%d”,&d); tot=b+c+d; avg=tot/3;

printf(“\n\n\t\t VIDYARTHI COMPUTERS – HANAMAKONDA \n\n”);

printf(“\t STUDENT RNO ; %d “,r);

printf(“\t FIRST SUBJECT MARKS ;%d “,b); printf(“\t SECOND SUBJECT MARKS ;%d “,C); printf(“\t THIRD SUBJECT MARKS ;%d “,d); printf(“\t AVERAGE MARKS ; %d”, avg);

getch();

}

4. Program To Read Three Numbers And Print The Biggest Of Given Three Numbers

main( )

{

int a,b,c,big=0;

clrscr( );

printf(“ENTER VALUE FOR A:”);

scanf(“%d”,&a);

printf(“ENTER VALUE FOR B:”);

scanf(“%d”,&b);

print(“ENTER VALUE FOR C:”);

scanf(“%d”,&c);

if (a>big) big=a ; if(b>big) big=b;

if (c>big)

big=c;

printf (“BIGGEST OF ABOVE GIVEN THREE NUMBER IS %d”,big)

getch( );

}

5. Program To Read A Number And Find Whether The Given Number Is Even Or Odd.

main()

{

int n,r;

clrscr();

printf(“ENTER A NUMBER ;”);

scanf(“%d”, &n);

r=n%2;

if(r= = 0)

printf(“the above given number is even number”);

else

printf(“the above given number is odd number”);

getch();

}

6. Program to accept a year and check whether the given year IS leap year or not.

main( )

{

int y;

clrscr( );

printf(“enter a year:”);

scanf(“%d”,&y);

if(y%4==0& &y%100!=0|| y%400==0); printf(“the above given year IS a leap year”); else

printf(“the above given year IS not a leap year”);

getch();

}

7. Individual Digits

main( )

{

int a,b,c,d;

clrscr( );

printf ( “ Enter a two digit number :”);

scanf (“ %d”, &a);

b=a/10; c=a%10; d=b+c;

printf (“sum of individual digits of given numbers id %”, d);

getch( );

}

8. Program to accept a three digit number and print the sum of individual digits.

main( )

{

int a,b,c,n, sum;

clrscr( );

printf (“ Enter a Three Digit Number:“);

scanf (“%d”,&n);

a=n/100;

b=( (n%100)/10); c=n%10; sum=a+b+c;

printf (“ Sum of Individual Digits of Given Numbers is %d”, Sum);

getch( );

}

9. Program to accept a number and check the given number is Armstrong or not.

main( )

{

int n, a, b, c, d;

clrscr( );

printf (“ Enter a Three Digit Number: “);

scanf (“%d”, &n); a=n/100; b=((n/10)%10); c=n%10;

d=a*a*a*+b*b*b +c*c*c;

if (n= =d)

printf (“The Given Number is Armstrong number”);

else

printf (“The Given Number is Not Armstrong number”);

getch( );

}

10. Program to print ODD numbers from 1 to 10

main( )

{

int i;

clrscr( );

for (i=1; i<=10; i+=2) printf(“%d\n”,i); getch( );

}

11. Program to print natural numbers from 1 to 10 in Reverse

main( )

{

int i;

clrscr( );

for (i=10; i>=1; i--) printf(“%d\n”,i); getch( );

}

12. Program to print sum of the natural numbers from 1 to 10.

main( )

{

int n,sum=0,i;

clrscr( );

for (i=1; i<=10; i++)

sum=sum+i;

printf(“sum of natural numbers from 1 to 10 is %d\n”,sum);

getch( );

}

13. Program to accept a number and print mathematical table of the given no.

main( )

{

int i,t;

clrscr( );

printf(“which table u want:”);

scanf(“%d”,&t);

for (i=1; i<=10; i++)

printf(“\n%d*%d=%d”,t,i,i*t);

getch( );

}

14. Program to print 1 to 10 mathematical tables .

main( )

{

int i,j;

clrscr( );

for (i=1; i<=10; i++) for(j=1;j<=10;j++) printf(“\n%d*%d=%d”,i,j,i*j); getch( );

}

15. Program to print fibonacci series .

main( )

{

int a=0,b=1,c=0,i; clrscr( ); printf(“%d”,a); printf(“\n%d”,b);

for (i=1; i<=10; i++)

{ c=a+b; printf(“\n%d”,c); a=b;

b=c;

}

getch( );

}

16. Program to print numeric pyramid

main()

{

int i,j; clrscr( ); for(i=1;i<=5;i++)

{ for(j=1;j<=i;j++) printf(“%d”,j); printf(“\n”);

}

getch();

}

17. Program to print numerical pyramid.

main( )

{

int i,j ,l,k=40; clrscr( ); for(i=1;i<=9;i+=2)

{

for(l=1;l<=k;l++) printf(“ “ ); for(j=1;j<=i;j++); printf(“%d”,j); printf(“\n”);

k=k-2;

}getch( );}

18. Program to print numerical diamond.

main( )

{

int i,j,l,n,s,k=40; clrscr( ); for(i=1;i<=9;i+=2)

{

for(l=1;l<=k;l++) printf(“ “); for(j=1;j<=i;j++) printf(“\n”);

k=k-2;

} k=k+4; for(n=7;n>=1;n-=2)

{ for(i=1;i<=k;i++) printf(“ “); for(s=1;s<n;s++) printf(“%d”,s); printf(“\n”); k=k+2;

}

getch( );

}

19. Program to print character pyramid.

main( )

{

char i,j; clrscr(); for(i=65;i<=70;i++)

{

for(j=65;j<=i;j++) printf(“%c”,j); printf(“\n”);

}

getch( );

}

20. Program to print character diamond.

main( )

{

char i,j,n,r; int s,sp=40; clrscr( );

for(i=65;i<=75;i+=2)

{ for(s=1;s<=sp;s++) printf(“ “); for(j=65;j<i;j++) printf(“%c”,j); printf(“\n”);

sp=sp-2;

} sp=sp+4; for(n=73;n>=65;n-=2)

{ for(s=1;s<=sp;s++) printf(“ “); for(r=65;r<=n;r++) printf(“%c”,r); sp=sp+2;

}

getch( );

}

21. Program to find biggest of two no by using ternary numbers

main( )

{

int a,b,big;

clrscr( );

printf(“enter value a”);

scanf(“%d”,&a);

printf(“enter the value of b”); scanf(“%d”,&b); big=(a>b)?a:b;

printf(“biggest of the given numbers IS %d”,big);

getch();

}

22. Program to find biggest of four no by using ternary numbers

main( )

{

int a,b,c,d,big;

clrscr( );

printf(“enter value a”);

scanf(“%d”,&a);

printf(“enter the value of b”);

scanf(“%d”,&b);

printf(“enter the value of c”);

scanf(“%d”,&c);

printf(“enter the value of d”); scanf(“%d”,&d); big=(a>b)?(a>c)?(a>d)?a:d:(c>d)?c:d:(b>c)?(b>d)?b:d:(c>d)?c:d; printf(“biggest of the given 4 numbers IS %d”,big);

getch();

}

23. Program to print smallest of four no by using ternary operators

main( )

{

int a,b,c,d,small;

clrscr( );

printf(“enter value a”);

scanf(“%d”,&a);

printf(“enter the value of b”);

scanf(“%d”,&b);

printf(“enter the value of c”);

scanf(“%d”,&c);

printf(“enter the value of d”); scanf(“%d”,&d); small=(a<b)?(a<c)?(a<d)?a:d:(c)?c:d:(b<c)?(b<d)?b:d:(cd;

printf(“biggest of the given 4 numbers IS %d”,small);

getch();

}

24. Program to accept a year and check the given year is leap or not by using ternary

main( )

{

int y,leap;

clrscr( );

printf(“enter any yr”);

scanf(“%d”,&y);

leap=(y%400= =0)?:(y%100!=0)?(y%4= =0)?1:0:0;

if(leap= =1)

printf(“ the given year is leap year”);

else

printf(“given year is not leap year);

getch( );

}

25. Program to accept a character in the uppercase and print in lower case.

main( )

{

char ch,c1;

clrscr( );

printf(“enter a cha in uppercase”);

ch=getchar();

c1=ch+32;

printf(“the given char in lowercasecase is”);

putchar(c1);

getch();

}

26. Program to accept a character in any case and print in another case.

main( )

{

char ch,c1;

clrscr( );

printf(“enter a char in anycase”);

ch=getchar();

if(ch>=65 && ch<=90)

c1=ch+32;

else

if(ch>=97 && ch<=122)

c1=ch-32;

printf(“the given char in anothercase IS”);

putchar(c1);

getch();

}

27. Program to natural number from 1 to 10 by using while loop.

main( )

{

int a=0; clrscr(); while( a<10)

{

a=a+1;

printf(“%d\n”,a);

}

getch();

}

28. Program to accept a string and print it by using the while loop.

main( )

{

char ch;

clrscr();

printf(“enter a string”); while(( ch=getchar( ))!=’\n’) putchar(ch);

getch();

}

29. Program to accept a string in upper case and print it by lower case.

main( )

{

char ch,c;

clrscr();

printf(“enter a string in upper case:”);

while(( ch=getchar( ))!=’\n’)

{

c=ch+32;

putchar(c);

}

printf(“ is in lower case”);

getch( );

}

30. Program to accept a string in any case and print it by another case.

main( )

{

char ch;

clrscr( );

printf(“enter a string :”);

while(( ch=getchar( ))!=’\n’)

{

if(ch>=’A’ && ch<=’Z’)

putchar(ch+32);

else

if(ch>=’a’ && ch<=’z’)

putchar(ch-32);

else putchar(ch);

}

printf(“ is the string”);

getch( );

}

31. Program to accept a string print each word in new line.

main( )

{

char ch;

clrscr( );

printf(“enter a string :”);

while(( ch=getchar( ))!=’\n’)

{ putchar(ch); if(ch= =’ ‘) printf(“\n”);

}

getch( );

}

32. Program to accept a string and count no of capital letters, no. of small letters and no. of special characters

main( )

{

char ch;

int c=0,s=0,s1=0;

clrscr( );

printf(“enter a string :”);

while(( ch=getchar( ))!=’\n’)

{

if(ch>=’A’&& ch>=’Z’)

c=c+1;

else

if(ch>=’a’&& ch>=’z’)

s=s+1; else s1=s1+1;

}

printf(“ no of capital letters are %d”,c); printf(“ no of smal1 letters are %d”,s); printf(“ no of special characters are %d”,s1); getch( );

}

33. Program to accept any single digit number and print it in words.

main( )

{

int n;

clrscr( );

printf(“enter a number :”); scanf(“%d “,&n); switch(n)

{

case 0: printf(“ZERO”);

break;

case 1: printf(“ONE”);

break;

case 2: printf(“TWO”);

break;

case 3: printf(“THREE”);

break;

case 4: printf(“FOUR”);

break;

case 5: printf(“FIVE”);

break;

case 6: printf(“SIX”);

break;

case 7: printf(“SEVEN”);

break;

case 8: printf(“EIGHT”);

break;

case 9: printf(“NINE”);

break;

default:

printf(“please enter the number between 0 and 9”);

}

getch( );

}

34. Program to print prime numbers between 1 to 100

main( )

{

int n, i, check; clrscr(); for(i=1;i<=100;i++)

{

check=1; for(n=2;n<=i/2;n++) if(i%n= =0)

{ check=0; break;

}

if(check= =1)

printf(“\n %d is a prime”,i);

else

printf(“\n %d is not a prime”,i);

}

getch( );

}

35. Program to accept two numbers and print sum of two numbers by using functions

main( )

{

int a,b,c;

clrscr();

printf(“enter the value for a:”)

scanf(“%d”,&a);

printf(“enter the value for b:”)

scanf(“%d”,&b);

c=add(a,b);

printf(“sum of two numbers is %d”,c);

getch( );

}

int add(int x, int y)

{

int z; z=x+y; return z;

}

36. Program to accept a number and find factorial of given number

main( )

{

int n,f;

clrscr( );

printf(“enter a number:”)

scanf(“%d”,&n);

f= fact(n);

printf(“factorial value is %d”,f);

getch();

}

int fact(int n)

{

int i, fa=1; for(i=n;i>=1;i--) fa=fa*i;

return fa;

}

37. Program to accept a number and check the given number Armstrong or not

main( )

{

int n,arm;

clrscr();

printf(“enter any 3 digit number:”)

scanf(“%d”,&n); arm= armstrong(n); if(arm= =n)

printf(“%d is Armstrong number”,n);

else

printf(“%d not a Armstrong number”,n);

getch( );

}

int Armstrong (int n)

{

int a,b,c,d; a=n/100; b=((n/10)%10); c=n%10; d=a*a*a+b*b*b+c*c*c; return d;

}

38. Program to accept a number and print the sum of given and Reverse number

main( )

{

int a,b,n;

clrscr( );

printf(“enter a number:”)

scanf(“%d”,&n);

a=rev(n);

printf(“REVERSE OF A GIVEN NUMBER IS %d”,a);

b=add(n,a);

printf(“\n sum of a given and reverse number is %d”,b);

getch( );

}

int rev( int n)

{

int r,rev=0,s;

while(n>0)

{ r=n%10; rev=rev*10+r; n=n/10;

}

return rev;

}

int add(int n, int a)

{

return n+a;

}

39. Program to accept 10 numbers and print first five numbers in original order and print last five numbers in reverse order.

main( )

{

int i,a[10];

for(i=0;i<10;i++)

{

printf(“enter value for a[%d]”,i);

scanf(“%d”,&a[i]);

} for(i=0;i<=4;i++) printf(“\nA[%d]=%d”,i,a[i]); for(i=9;i>=5;i--) printf(“\nA[%d]=%d”,i,a[i]); getch( );

}

40. Program to accept a string and print the reverse of the given string by using for loop.

main( )

{

int i,j;

char name[80];

clrscr( );

printf(“ enter a string”);

gets(name);

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

if(name[i]= =’\n’) name[i]=’\0’; for(j=i;j>=0;j--) putchar(name[j]);

printf(“is the reverse of given string”);

getch( );

}