WAP to count total number of vowels in a string.

in turboc++
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//program to count total vowels in a string.
#include <stdio.h>
#include<string.h>
#include<conio.h>
int main()
{
    char string[100],sec;
    int i,count=0;       //initialization
    printf("enter string\n");
    gets(string);//accepts string
    strlwr(string);//converts the string into lowercase
    for(i=0;string[i]!='\0';i++)//loop execution till null character
    {
        if(string[i]=='a' || string[i]=='e'|| string[i]=='i'|| string[i]=='o' ||string[i]=='u')
                                            //condition testing for character/vowels
        {
            count++;//counting  words
        }
    }
    printf("total vowels=%d",count);// prints total vowels.
    getch();
    return 0;
}

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in codeblocks:
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//program to count total vowels in a string.
#include <stdio.h>
#include<string.h>
int main()
{
    char string[100],sec;
    int i,count=0;       //initialization
    printf("enter string\n");
    gets(string);//accepts string
    strlwr(string);//converts the string into lowercase
    for(i=0;string[i]!='\0';i++)//loop execution till null character
    {
        if(string[i]=='a' || string[i]=='e'|| string[i]=='i'|| string[i]=='o' ||string[i]=='u')
                                            //condition testing for character/vowels
        {
            count++;//counting  words
        }
    }
    printf("total vowels=%d",count);// prints total vowels.
    return 0;
}

WAP to count total words in a string.

in turboc++
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//program to count total words in a string.
#include <stdio.h>
#include<conio.h>
int main()
{
    char string[100],sec;
    int i,count=1;       //initialization
    printf("enter string\n");
    gets(string);//accepts string
    for(i=0;string[i]!='\0';i++)//loop execution till null character
    {
        if(string[i]==' ')//condition testing for character
        {
            count++;//counting  words
        }
    }
    printf("total words=%d",count);// prints total words.
    getch();
    return 0;
}

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in codeblocks:

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//program to count total words in a string.

#include <stdio.h>

int main()

{

    char string[100],sec;

    int i,count=1;       //initialization

    printf("enter string\n");

    gets(string);//accepts string

    for(i=0;string[i]!='\0';i++)//loop execution till null character

    {

        if(string[i]==' ')//condition testing for character

        {

            count++;//counting  words

        }

    }

    printf("total words=%d",count);// prints total words.

    return 0;

}

WAP to count particular character in a string.

in turboc++
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//program to count a particular character in a string.
#include <stdio.h>
#include<conio.h>
int main()
{
    char string[100],sec;
    int i,count=0;
    printf("enter string\n");
    gets(string);//accepts string
    printf("enter a character\n");
    sec=getchar();//accepts a character
    for(i=0;string[i]!='\0';i++)//loop execution till null character
    {
        if(string[i]==sec)//condition testing for character
        {
            count++;//counting  character
        }
    }
    printf("total character=%d",count);// prints total character.
    getch();
    return 0;
}

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in codeblocks:

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//program to count a particular character in a string.

#include <stdio.h>

int main()

{

    char string[100],sec;

    int i,count=0;

    printf("enter string\n");

    gets(string);//accepts string

    printf("enter a character\n");

    sec=getchar();//accepts a character

    for(i=0;string[i]!='\0';i++)//loop execution till null character

    {

        if(string[i]==sec)//condition testing for character

        {

            count++;//counting  character

        }

    }

    printf("total character=%d",count);// prints total character.

    

    return 0;

}

WAP to count total spaces in a string.

in turboc++
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//program to count total spaces in a string.
#include <stdio.h>
#include<string.h>
#include<conio.h>
int main()
{
    char string[100];
    int i,count=0;
    printf("enter first string\n");
    gets(string);//accepts string
      for(i=0;string[i]!='\0';i++)//loop execution till null character
    {
        if(string[i]>=' ' )//condition testing for white space
        {
            count++;//increment in count.
        }
    }
    printf("total spaces=%d",count);// prints the total value.
         getch();
        return 0;
}
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in codeblocks:
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//program to count total spaces in a string.
#include <stdio.h>
#include<string.h>
int main()
{
    char string[100];
    int i,count=0;
    printf("enter first string\n");
    gets(string);//accepts string
      for(i=0;string[i]!='\0';i++)//loop execution till null character
    {
        if(string[i]>=' ' )//condition testing for white space
        {
            count++;//increment in count.
        }
    }
    printf("total spaces=%d",count);// prints the total value.
     
        return 0;
}

WAP to count total digits present in a string.

in turboc++
---------------------------------------------------------------------------
//program to count total digits in a string.
#include <stdio.h>
#include<string.h>
#include<conio.h>
int main()
{
    char string[100];
    int i,count=0;
    printf("enter first string\n");
    gets(string);//accepts string
      for(i=0;string[i]!='\0';i++)//loop execution till null character
    {
        if(string[i]>='0' && string[i]<='9')//condition testing for white space
        {
            count++;//increment in count.
        }
    }
    printf("total digits=%d",count);// prints the total value.
    getch();
    return 0;
}

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in codeblocks:

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//program to count total digits in a string.
#include <stdio.h>
#include<string.h>
int main()
{
    char string[100];
    int i,count=0;
    printf("enter first string\n");
    gets(string);//accepts string
      for(i=0;string[i]!='\0';i++)//loop execution till null character
    {
        if(string[i]>='0' && string[i]<='9')//condition testing for white space
        {
            count++;//increment in count.
        }
    }
    printf("total digits=%d",count);// prints the total value.
        return 0;
}

WAP to replace all white spaces with a character.

in turboc++
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//program to replace all white space with a character.
#include <stdio.h>
#include<string.h>
#include<conio.h>
int main()
{
    char string[100],sec;
    int i;
    printf("enter first string\n");
    gets(string);//accepts string
    printf("enter a character\n");
    sec=getchar();//accpts a character
    printf("before replacing,string is %s\n",string);
    for(i=0;string[i]!='\0';i++)//loop execution till null character
    {
        if(string[i]==' ')//condition testing for white space
        {
            string[i]=sec;//assigning character
        }
    }
    printf("after replacing, the string=%s",string); //prints the string.
  getch(); 
  return 0;
}
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in codeblocks:
-----------------------------------------------------------------------------
//program to replace all white space with a character.
#include <stdio.h>
#include<string.h>
int main()
{
    char string[100],sec;
    int i;
    printf("enter first string\n");
    gets(string);//accepts string
    printf("enter a character\n");
    sec=getchar();//accpts a character
    printf("before replacing,string is %s\n",string);
    for(i=0;string[i]!='\0';i++)//loop execution till null character
    {
        if(string[i]==' ')//condition testing for white space
        {
            string[i]=sec;//assigning character
        }
    }
    printf("after replacing, the string=%s",string); prints the string.
    return 0;
}

program to swap two strings

in turboc++
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//program to swap two strings
#include <stdio.h>
#include<string.h>
#include<conio.h>
int main()
{
    char string[100],string1[100],tempo[100];
    printf("enter first string\n");
    gets(string);//accepts string
    printf("enter second string\n");
    gets(string1);
    printf("before swapping,strings are=%s and %s\n",string,string1);
    strcpy(tempo,string);//copies string to another
    strcpy(string,string1);//copies to string
    strcpy(string1,tempo);//copies string to string1

    printf("after swapping,strings are=%s and %s\n",string,string1);
     getch();
    return 0;
}

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in codeblocks

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//program to swap two strings

#include <stdio.h>

#include<string.h>

int main()

{

    char string[100],string1[100],tempo[100];

    printf("enter first string\n");

    gets(string);//accepts string

    printf("enter second string\n");

    gets(string1);

    printf("before swapping,strings are=%s and %s\n",string,string1);

    strcpy(tempo,string);//copies string to another

    strcpy(string,string1);//copies to string

    strcpy(string1,tempo);//copies string to string1

    printf("after swapping,strings are=%s and %s\n",string,string1);

    return 0;

}