25

#include <stdio.h>

int main ()

   int c = 0;

   char ch, s[1000];

   printf("Input a string\n");

   gets(s);

   while (s[c] != '\0') {

      ch = s[c];

      if (ch >= 'A' && ch <= 'Z')

         s[c] = s[c] + 32;

      else if (ch >= 'a' && ch <= 'z')

         s[c] = s[c] - 32;

      c++;

   printf("%s\n", s);

   return 0;

#include<stdio.h>

#include<conio.h>

void main()

{

char str[1000];

int i=0,digit=0;

printf("Enter the string to find number");

gets(str);

while(str[i]!='\0')

{

if(str[i]>=48 && str[i]<=57) //48 is for 0 and 57 is for 9 in ASCII notation

{

digit++;

}

printf("\n The number of digits in the given string is \n%d",digit);

getch();

}

Google Sites

Report abuse