.programmingenhance

  #include <stdio.h> void main() { int q, m, n, temp; printf( "\nEnter values of two numbers: " ); scanf( "%d %d" , &m, &n); if (m == 0) { printf( "\nHCF of number is: %d" , n); goto end; } if (n == 0) { printf( "\nHCF of numbers is: %d" , m); goto end; } if (n > m) { temp = m; m = n; n = temp; } www.

  #include <stdio.h> int hcf( int , int ); void main() { int h, i, a, b; printf( "\nEnter values of two numbers: " ); scanf( "%d %d" , &a, &b); h = hcf(a, b); printf( "\nHCF of numbers is: %d" , h); getch(); } int hcf( int a, int b) { if (a%b == 0) return b; else return hcf(b, a%b); }

  #include <stdio.h> #include < string .h> #include <conio.h> void main() { char str[20]; int i=0, word=0, chr=0; clrscr(); printf( "\nEnter any string: " ); gets(str); while (str[i] != '\0' ) { if (str[i] == ' ' ) { word++; chr++; } else chr++; i++; } printf( "\nNumber of characters: %d" , chr); printf( "\nNumber of words: %d" , word+1); getch(); }

  #include <stdio.h> void main() { FILE *fp1, *fp2; char ch; fp1 = fopen( "abc.txt" , "r" ); fp2 = fopen( "xyz.txt" , "w" ); while ((ch = getc(fp1)) != EOF) putc(ch, fp2); fclose(fp1); fclose(fp2); getch(); }

#include <stdio.h> void main() { int a[10][10], b[10][10], c[10][10], i, j, row, col; printf( "\nEnter number of rows and columns: " ); scanf( "%d %d" , &row, &col); printf( "\nEnter elements of Array A:\n" ); for (i=0; i<row; i++) for (j=0; j<col; j++) scanf( "%d" , &a[i][j]); printf( "\nEnter elements of Array B:\n" ); for (i=0; i<row; i++) for (j=0; j<col; j++) scanf( "%d" , &b[i][j]); printf( "\nElements of Matrix A:\n\n" ); for (i=0; i<row; i++) { for (j=0; j<col; j++) printf( "\t%d" , a[i][j]); printf( "\n\n" ); } printf( "\nElements of Matrix B:\n\n" ); for (i=0; i<row; i++) { for (j=0; j<col; j++) printf( "\t%d" , b[i][j]); printf( "\n\n" ); }