Leading astray? (01 - 09)

This is a discussion on Leading astray? (01 - 09) within the C++ Programming forums, part of the General Programming Boards category; Hi all, How do I display leading zero in single integer like 1-9 becomes 01-09? Are there any function or ...

  1. #1
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    Question Leading astray? (01 - 09)

    Hi all,

    How do I display leading zero in single integer like 1-9 becomes 01-09? Are there any function or library to use? Thanks for enlightenments. My compiler Dev- C++ 4.

  2. #2
    Registered User
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    Dec 2001
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    32
    How about prefixing a 0 if int / 10 < 1 ?

  3. #3
    Skunkmeister Stoned_Coder's Avatar
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    Aug 2001
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    2,572
    Code:
    #include<iostream>
    using namespace std;
    int main()
    {
    for ( int i=1;i<15;++i)
    cout << ((i<10) ? "0":"") << i <<endl;
    return 0;
    }
    Free the weed!! Class B to class C is not good enough!!
    And the FAQ is here :- http://faq.cprogramming.com/cgi-bin/smartfaq.cgi

  4. #4
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    Smile

    Aahh... easy when you know how, thanks Stone_Coder and Seron for your reply to such a newbie question. Thanks!

  5. #5
    S­énior Member
    Join Date
    Jan 2002
    Posts
    982
    ..and another solution -

    Code:
    #include <iostream>
    #include <iomanip>
    
    using namespace std;
    
    
    int main()
    {
    
    	cout << setfill('0') << setw(2) << 1;
    
    	return 0;
    }

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