C PROGRAMMING FILE
// print hello world
#include#includevoid main(){printf(" hello world");getch();}
// addition
#include#includevoid main(){int a,b,c;clrscr();printf("enter the
no.");scanf("%d%d",&a,&b);c=a+b;printf("
%d+%d=%d",a,b,c);getch();}
// even odd
#include#includevoid main(){int a;clrscr();printf("enter the
no.");scanf("%d",&a);if (a%2==0){printf(" even
");}else{printf(" odd ") ;}getch();}
// add, sub, mul,div
#include#includevoid main(){int a,b,c;clrscr();printf(\n 1-add
\n 2-sub \n 3-mul \n 4-div);printf(enter the two
no.);scanf(%d%d,&a,&b);printf(enter the your
choice.);scanf(%d,&c);switch(c){case 1:printf(\n
add=%d,a+b);break;case 2:printf(\n sub =%d,a-b);break;case
3:printf(\n mul=%d,a*b);break;case
4:printf(\ndiv=%d,a/b);break;default :printf(\n wrong choice
);}getch();}
// check vowel
#include#includevoid main(){char n;clrscr();printf("enter the
any character.");scanf("%c",&n);if
(n=='a'||n=='e'||n=='i'||n=='o'||n=='u'||n==A||n==E||n==I||n==O||n==U){printf("%c
is a vowel",n);}else{printf(" consonent ");}getch();}
//LEAP YEAR#include#includevoid main(){ int year; printf("Enter
a year: "); scanf("%d",&year); if(year%4 == 0) { if( year%100
== 0) { if ( year%400 == 0) printf("%d is a leap year.", year);
else printf("%d is not a leap year.", year); } else printf("%d is a
leap year.", year ); } else printf("%d is not a leap year.", year);
getch();}
// addition of digit
#include#includevoid main(){int
i,n,c,sum=0;clrscr();printf(enter any no. of digit
);scanf(%d,&n);for(i=1;n>0;i++){c=n%10;sum=sum +
c;n=n/10;}printf( \n sum of digit=%d,sum);getch();}
// factorial
#include#includevoid main(){int
i,n,fact=1;clrscr();printf("enter any no.
");scanf("%d",&n);for(i=1;i0){x=n%10;n=n/10;m=(m*10)+x;}if(x==m){printf("it
is a not palindrome number");}else{printf("it is a palindrome
number");}printf("/n thank you ");getch();}
// pattern printing#include#includevoid main(){int
i,j;clrscr();printf("pattern \n");for(i=0;i
