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Program to swap even positioned characters with odd positioned characters in a given string

Posted By: Easy Tutor     Category: C Programming     Views: 18364

Write a program to swap even positioned characters with odd positioned characters in a given string.

Code for Program to swap even positioned characters with odd positioned characters in a given string in C Programming

#include <stdio.h>
#include <conio.h>
#include <string.h>
void main(){
     char str[20],tmp;
     int i,j;
     clrscr();
     printf("\nEnter a string : ");
     scanf("%s",str);
     printf("\n\nOriginal String     : %s",str);
     for(i=0;i<strlen(str);i=i+2){
     tmp = str[i];
     str[i] = str[i+1];
     str[i+1] = tmp;
     }
     printf("\nAfter Swap String      : %s",str);
     getch();
}
  
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Easy Tutor
Easy Tutor author of Program to swap even positioned characters with odd positioned characters in a given string is from United States. Easy Tutor says

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Fahim Zaman from United States Comment on: Dec 01
Write an application where the user inputs a string. if the string is 0 length or if it has a length greater then 10 then an exception is called. under any circumstance the application should output a string where 10>length>0.

Please Help.

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