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  1. #1
    Registered User
    Join Date: Nov:2010
    Location: Ïëîâäèâ
    Posts: 3

    Çàäà÷à íà C++

    Èäåÿòà å äà ñå ïðåñìåòíå ñëåäíèÿ èçðàç -
    Âúâåæäàò ñå ñòîéíîñòè çà "x" è "n", êàòî ñòåïåíòà "n" ìîæå äà íàìàëÿâà äî 1. Íàêðàÿ ïîëó÷åíèÿ èçðàç ñå ñúáèðà ñ íÿêàêâî ÷èñëî, íàïðèìåð ñúñ 17. Íåùî òàêîâà òðÿáâà äà ïðåäñòàâëÿâà êîäà, íî ÿâíî èìà íÿêâà íåòî÷íîñò.
    void main(){
    double i,x,n,s=17,x1=1;
    cout<<"x:"; cin>>x;
    cout<<"n:"; cin>>n;
    for (i=n; i<=n; i--)
    {x1=x1*x;
    s=s+x1;}
    cout<<s;
    }

    Èíà÷å îáðàòíèÿ âàðèàíò, ñ íàðàñòâàùà ñòåïåí, ðàáîòè ïðè òîçè êîä:
    void main(){
    double i,x,n,s=17,x1=1;
    cout<<"x:"; cin>>x;
    cout<<"n:"; cin>>n;
    for (i=1; i<=n; i++)
    {x1=x1*x;
    s=s+x1;}
    cout<<s;
    }

    Ðàçëèêàòà å, ÷å òóê íà÷àëíàòà ñòîéíîñò å "x" íà ñòåïåí 1, à ïðè ïúðâèÿ âàðèàíò íà÷àëíàòà ñòîéíîñò å ñïîðåä âúâåäåíîòî "n".
    Ùå ñúì áëàãîäàðåí, àêî ïîìîãíåòå.

  2. #2
    Defender Kaspirtov's Avatar
    Join Date: Jun:2006
    Location: Sf
    Posts: 7,414
    Àìà âèå âå÷å ñúâñåì âçåõòå äà ñå ëèãàâèòå...

    for (i=n; i<=n; i--)
    - áåçêðàåí öèêúë.
    "Íèêîãà íå ìîæåì äà ñìå ñèãóðíè, ÷å ìíåíèåòî, êîåòî ñå ñòðåìèì äà çàäóøèì å ïîãðåøíî, à è äà áÿõìå ñèãóðíè, ïàê áè áèëî ïîãðåøíî äà ãî çàäóøèì."
    Äæîí Ñòþàðä Ìèë

  3. #3
    Registered User
    Join Date: Nov:2010
    Location: Ïëîâäèâ
    Posts: 3
    Íÿêàêâè èäåè êàê ùå ñòàíå?

  4. #4
    Defender Kaspirtov's Avatar
    Join Date: Jun:2006
    Location: Sf
    Posts: 7,414
    Quote Originally Posted by psihiatar20 View Post
    Íÿêàêâè èäåè êàê ùå ñòàíå?
    Êîå?
    "Íèêîãà íå ìîæåì äà ñìå ñèãóðíè, ÷å ìíåíèåòî, êîåòî ñå ñòðåìèì äà çàäóøèì å ïîãðåøíî, à è äà áÿõìå ñèãóðíè, ïàê áè áèëî ïîãðåøíî äà ãî çàäóøèì."
    Äæîí Ñòþàðä Ìèë

  5. #5
    Registered User
    Join Date: Nov:2010
    Location: Ïëîâäèâ
    Posts: 3
    Quote Originally Posted by Kaspirtov View Post
    Êîå?
    Çàäà÷àòà.

  6. #6
    Defender Kaspirtov's Avatar
    Join Date: Jun:2006
    Location: Sf
    Posts: 7,414
    Quote Originally Posted by psihiatar20 View Post
    Çàäà÷àòà.
    Äîáðå äå. Òè ñòàðòèðàë ëè ñè ãè äâàòà êîäà èçîáùî? Íà ïúðâèÿ âàðèàíò òè êàçàõ, ÷å èìàø áåçêðàåí öèêúë. Êàêâè èäåè? Ïúðâàòà íå ÷å ðàáîòè êîðåêòíî èëè íå - ïðè òàêà íàïèñàíèÿ êîä íå ðàáîòè èçîáùî. Öèêëè äîêàòî ïðåïúëíè áóôåðà.
    "Íèêîãà íå ìîæåì äà ñìå ñèãóðíè, ÷å ìíåíèåòî, êîåòî ñå ñòðåìèì äà çàäóøèì å ïîãðåøíî, à è äà áÿõìå ñèãóðíè, ïàê áè áèëî ïîãðåøíî äà ãî çàäóøèì."
    Äæîí Ñòþàðä Ìèë

  7. #7
    -=Øåìåò=-
    Join Date: Sep:2003
    Location: Ñîôèÿ
    Posts: 6,444
    Ïè÷ îòâîðè ñè êíèæêàòà çà Ñ++ ïðî÷åòè êàêâî îçíà÷àâà âñÿêî åäíî îò òðèòå íåùà â êðúãëèòå ñêîáè.
    He who asks is a fool for five minutes, but he who does not ask reamins a fool forever. Old Chinese saying
    Quote Originally Posted by worm4 View Post
    Áúëãàðèíà íà ïúòÿ å òúïî æèâîòíî äåòî ìó ñå ñêúñÿâà ïèøêaòà êàòî ãî èçïðåâàðÿò.

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