1.write a program in C to accept a number print its even or...

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Question by bhavana
Submitted on 5/2/2004
Related FAQ: comp.lang.c Answers (Abridged) to Frequently Asked Questions (FAQ)
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1.write a program in C to accept a number print its even or odd? 2. Write a program in C to accept a character print its digit or alphabets or special symbols?

Answer by harish
Submitted on 5/4/2004
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# include <stdio.h> /logic is when u divide even number by 2 the remaider is always zero*/ int main (void) { int num; printf ("Enter the number\n"); scanf ("%d",&num); if (num % 2) printf ("Number %d is ODD\n",num); else printf ("Number %d is EVEN\n",num); return 0; } # include <stdio.h> int main (void) { char ch; while (( ch = getchar ()) != EOF) printf ("%d\t",ch); }

Answer by chandu
Submitted on 8/16/2004
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Write a program to check whether the given +ve number is a delmi number.

Answer by Santhosh - HRR
Submitted on 10/6/2004
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#include<stdio.h> #include<conio.h> /logic is, last bit of every odd number is '1' and last bit of every even number is '0' so check only last bit / int main ( void ) { int Number; clrscr(); printf("\n Enter any integer\n") scanf("%d",&Number); if ( Number & 0x01 ) printf("\n Entered number is Odd"); else printf("\n Entered number is Even"); return(0); }

Answer by M.Praveen Kumar
Submitted on 11/4/2004
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#include<stdio.h> #include<conio.h> void main() { int n,i; clrscr(); for(i=0;i<11;i++) { clrscr(); printf("\nEnter any number\t"); scanf("%d",&n); if( n % 2 == 0 ) printf("\nThis is EVEN"); else printf("\nThis is ODD"); getch(); } }

Answer by l.gnanasekar
Submitted on 5/20/2005
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int main() { char *s[]={"Even","Odd"}; int n; printf("Enter the number:"); scanf("%d",&n); printf("The given number %d is %s",n,s[n%2]); return 0; } int main() { while(putchar(getch())!=EOF); return 0; }

Answer by Ashok
Submitted on 6/11/2006
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Here's an even simpler solution: #include <stdio.h> int main() { int num; printf ("Enter the number\n"); scanf ("%d",&num); return (( num & 1 ) ? printf ("%d is odd\n",num) : printf ("%d is even\n",num)); } In the binary representation of the number if the last digit is 1, the number is odd, else it is even.

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