Sunday, 9 October 2016

To print series -1,4,-7,10......

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int a,b=1;
cout<<"No. of terms = ";
cin>>a;
for(int i=1;i<=a;i++)
{  if(i==1)
   {b=b*(-1);
    cout<<b<<"\n";
   }
   else
   {
      if (i%2==0)
      { b=b*(-1);
b=b+3;
cout<<b<<"\n";
      }
      else
      { b=b+3;
b=b*(-1);
cout<<b<<"\n";
      }
   }
}
getch();
}

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