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How can I print a string backwards?

This is a discussion on How can I print a string backwards? within the C Programming forums, part of the General Programming Boards category; Hello, I have declared and input a string in a array. How can I print this "string" backwards? Here is ...

  1. #1
    Registered User
    Join Date
    Nov 2011
    Posts
    27

    How can I print a string backwards?

    Hello,

    I have declared and input a string in a array.
    How can I print this "string" backwards?

    Here is my code:

    Code:
    #include<stdio.h>
    
    int main()
    {
        char a[1][20];
    
        int i;
    
        scanf( "%s", a[0] );
    
        printf( "\n\n%s\n\n", a[0] );
    }
    Last edited by ahmedbatty; 12-07-2011 at 09:27 AM.

  2. #2
    Banned
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    Aug 2010
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    Ontario Canada
    Posts
    9,547
    Ok... I know this may seem a little harsh, but before I show you, I want you to stop and think about how much thought you gave this before you posted here asking for answers. This is a very basic and simple thing...

    Code:
    int x;
    
    for (x = strlen(string); x >= 0 ; x--)
      printf("%c",string[x]);
    Really, my friend... you should be able to work these things out on your own.
    SimarGill likes this.

  3. #3
    Registered User
    Join Date
    Nov 2011
    Posts
    27
    sorry

    i did it:

    Code:
    #include<stdio.h>
    
    int main()
    {
        char a[1][20];
    
        int i;
    
        scanf( "%s", a[0] );
    
        printf( "\n\n%s\n\n", a[0] );
    
        for( i = 3; i >= 0; i-- )
        {
            printf( "%c", a[0][i]);
        }
    
        printf( "\n\n" );
    }

  4. #4
    Registered User
    Join Date
    Nov 2011
    Posts
    52
    Just find the length of the string using strlen() then print each char backwards starting at the length of the string.

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