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Random String of Characters

 
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Random String of Characters
sno
6 May, 2008 - 06:12 AM
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I was wondering why this wasnt giving me a string but what i think is hex?

CODE


#include <iostream>
#include <string.h>
#include <time.h>

using namespace std;

int main(){
    string message, encrypted[10]; //wont compile unless i keep that old message variable
    int i;

    srand( (unsigned int) time(NULL));

    for (i=0; i<=10;i++){
        encrypted[i] = (char) (rand() % ('z' - '0' + 1) + '0');
    }
    cout << encrypted;

    return 0;
}




whenever i run this it just gives me 0x22ff20
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KYA
RE: Random String Of Characters
6 May, 2008 - 06:23 AM
Post #2

#include <nerd.h>
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When I compile and run this I get an assortment of letter, shapes, etc... Is this what is intended? What type of random string are you looking for? :

cpp

#include <iostream>
#include <string.h>
#include <time.h>

using namespace std;

int main(){
    char encrypted[10]; 

    srand( (unsigned int) time(NULL));

    for (int i=0; i<10;i++){
        encrypted[i] =  (char) (rand() % ('z' - '0' + 1) + '0');
    }
    cout << encrypted << endl;;

    return 0;
}
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sno
RE: Random String Of Characters
6 May, 2008 - 06:30 AM
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yes. thats what im looking for but my compile apparently doesnt like it. im using minigw, any ideas how to get the same output?

edit: oops you changed stuff haha, i thought you just put my code back up. Thanks its works now. What is the difference between the char[] nad string[]?

This post has been edited by sno: 6 May, 2008 - 06:34 AM
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KYA
RE: Random String Of Characters
6 May, 2008 - 06:31 AM
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#include <nerd.h>
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Might be a computer specific thing. Although we could try ASCII code to get a standard.

Did you try an array of chars as in my code posting?

Try this: EDIT:

cpp

 encrypted[i] =  (char) (rand() % ('z' - 'c' + 1) + 'a');


Using only letters instead of zero gives only letters as output


EDIT AGAIN: In your original posting you were also writing past one value in your array and that wil cause problems.

This post has been edited by KYA: 6 May, 2008 - 06:34 AM
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sno
RE: Random String Of Characters
6 May, 2008 - 07:14 AM
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my compiler is complaining about

CODE

    for (int i=0; i<10;i++){
        encrypted[i] = message[i];
    }


its saying i cant have that for array subscripts?
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KYA
RE: Random String Of Characters
6 May, 2008 - 10:08 PM
Post #6

#include <nerd.h>
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You never declared a message array in the original code
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