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Thread: Çàäà÷à íà C++
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9th November 2010 20:47 #1Registered User
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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.
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9th November 2010 20:56 #2
Àìà âèå âå÷å ñúâñåì âçåõòå äà ñå ëèãàâèòå...
- áåçêðàåí öèêúë.for (i=n; i<=n; i--)"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."
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10th November 2010 12:08 #3Registered User
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Location: Ïëîâäèâ
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Íÿêàêâè èäåè êàê ùå ñòàíå?
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10th November 2010 12:41 #4
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10th November 2010 14:40 #5Registered User
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Location: Ïëîâäèâ
Posts: 3
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10th November 2010 14:43 #6"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
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10th November 2010 14:46 #7-=Øåìåò=-
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