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  4. help me to describe this code plese

help me to describe this code plese

Scheduled Pinned Locked Moved C / C++ / MFC
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  • A Offline
    A Offline
    auralius manurung
    wrote on last edited by
    #1

    plz help me with this code... int a = 0; int p = 2; int q = 3; a += p ? q : 0; what does the last line mean? i need to describe it into normal if-then-else form... thanks all...

    From Indonesia with love..!!

    G CPalliniC 2 Replies Last reply
    0
    • A auralius manurung

      plz help me with this code... int a = 0; int p = 2; int q = 3; a += p ? q : 0; what does the last line mean? i need to describe it into normal if-then-else form... thanks all...

      From Indonesia with love..!!

      G Offline
      G Offline
      Garth J Lancaster
      wrote on last edited by
      #2

      the form p ? q : 0 is expr1 ? expr2 : expr3 means evaluate expr1. If it is not zero, the value of the whole thing is expr2; otherwise the value is expr3. so, substituting 0 += 2 ? 3 : 0 since 2 ! = 0 0 += 3 a = 3 ... 'g'

      1 Reply Last reply
      0
      • A auralius manurung

        plz help me with this code... int a = 0; int p = 2; int q = 3; a += p ? q : 0; what does the last line mean? i need to describe it into normal if-then-else form... thanks all...

        From Indonesia with love..!!

        CPalliniC Offline
        CPalliniC Offline
        CPallini
        wrote on last edited by
        #3

        The code maybe translated into (see documentation [^]):

        if ( p != 0 )
        {
        a = a + q;
        }

        BTW you really need a good C/C++ tutorial. :)

        If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
        This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke
        [My articles]

        In testa che avete, signor di Ceprano?

        A 1 Reply Last reply
        0
        • CPalliniC CPallini

          The code maybe translated into (see documentation [^]):

          if ( p != 0 )
          {
          a = a + q;
          }

          BTW you really need a good C/C++ tutorial. :)

          If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
          This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke
          [My articles]

          A Offline
          A Offline
          auralius manurung
          wrote on last edited by
          #4

          yaa... you may be right... thank to you guys for the help...

          From Indonesia with love..!!

          1 Reply Last reply
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