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90/4/7 , 4:31 ع نظر

//factorial
#include<iostream.h>
#include<conio.h>
void main(){
float  f,r,w;

while(f!=-1){
w=1;
clrscr();
cout<<"Enter a number to anlyse factorial(Exit = 0 ): ";
cin>>f;

if (f<1){
return;  }
else {
cout<<"\n"<<"========================================================="<<"\n"<<"\n";
cout<<"Factorial: ";
while(f>=2){
cout<<f<<" * ";
r=f--;
w=w*r;
}
cout<<"1";
cout<<"\n"<<"\n"<<"Result: "<<w;
}

cout<<"\n"<<"\n"<<"Press any key to reset!!!"<<"\n"<<"\n"<<"========================================================="<<"\n";
getch();
}

}


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