#include <iostream>

 int main(){

   long double pi =0.0;
   long double num= 4.0;
   long double denom= 1.0;
   long int loop;
   long int accuracy;

accuracy= 100;

std::cout << "Accuracy set at: " << accuracy << std::endl ;
std::cout << "term\t\t pi" << std::endl ;

for(loop=1;loop<=accuracy; loop++)
{
    if(loop%2 != 0)
      {
          pi += num/denom;
      }
    else{
        pi-= num/denom;
    }
    std::cout << loop << "\t\t" << pi << std::endl ;
    denom +=2.0;
}
return 0;

}