TCS NINJA CODING PROGRAM Season-2 NQT

C Program to replace lower case letters with upper case (Vice-versa) and replacing vowels with * 

Input:

First line of input contains string 1

Second line of input contains string 2

Third line of input contains string 3

Output:

First line of output were replaced by upper case letters 

Second line of output were replaced by lower case letters

Third Line of output contains * replacing vowels.

Example:

Input:

how 

ARE 

you

Output:

HOW

are

y**

SOURCE CODE:

#include<stdio.h>

#include<string.h>

int main()

{

    char str1[10],str2[10],str3[10];

    int i,j,c=0;

    gets(str1);

    gets(str2);

    gets(str3);

    

    

    for(i=0;str1[i]!='\0';i++)

    {  

        if(str1[i]>='a'&&str1[i]<='z')

        {

            str1[i]=str1[i]-32;

        }

    }

    for(i=0;str2[i]!='\0';i++)

    {  

        if(str2[i]>='A'&&str2[i]<='Z')

        {

            str2[i]=str2[i]+32;

        }

    }

  for(i=0;str3[i]!='\0';i++)

    {  

        if(str3[i]=='a'||str3[i]=='A'||str3[i]=='e'||str3[i]=='E'||str3[i]=='i'||str3[i]=='I'||str3[i]=='o'||str3[i]=='O'||str3[i]=='u'||str3[i]=='U')

        {

            str3[i]='*';

        }

    }

   

    puts(str1);

    puts(str2);

    puts(str3);

    return 0;

}