WAP to replace each string of one or more blanks by a single blank in c

Description:

• Input string:
  
• Pointers         are      sharp           knives.
  

• Output String:
  
• Pointers are sharp knives.
  

• Blank can be spaces or tabs. (replace with single space).
  

Pr-requisites:-

• Functions
  
• Pointers

Objective: -

• To understand the concept of
  
• Functions, Arrays, and Pointers
  

Inputs: -

• String with multi-spaces between words
  

Sample execution: -

Test Case 1:

Enter the string with more spaces in between two words

Pointers     are               sharp     knives.

Pointers are sharp knives. 

Test Case 2:

Enter the string with more spaces in between two words
Welcome                to india

Welcome to india

PROGRAM : 

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#include <stdio.h>

#include<string.h>

void space(char str[])

{

    int i,k=0;

    while(str[k]!='\0')

    {

        if((str[k]==' ' && str[k+1]==' ') || (str[k]=='\t' && str[k+1]=='\t'))

        {

            i=k;

            while(str[i]!='\0')

            {

                str[i]=str[i+1];

                i++;

            }

             k--;

        }

        k++;

    }

}

int main()

{

    char str[200];

    

   // printf("Enter the string with more spaces in between two words\n");

    scanf("%[^\n]", str);

    

   space(str);

    

    printf("%s\n", str);

}

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