#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
    char ans = 'y', shape; /*character variables for continue prompt and shape*/
    float s, b, h, area; /*floats for side, base, height, and area*/

    /*continuation loop*/
    while (ans != 'n')
    {
          /*determining shape*/
          printf("Please enter the first letter of the shape (S/T): ");
          scanf(" %c", &shape);

          while (shape = 'S')
          {
                    /*Calculating square area based on given length*/
                    printf("Please enter the side length: ");
                    scanf("%f", &s);
                    area = s * s;
                    printf("The area of the square is %f.", area);
                    printf("Do you want to continue (y/n)?");
                    scanf(" %c", &ans);
          }

          while (shape = 'T')
          {
                    /*Calculating triangle area based on given base and height*/
                    printf("Please enter the base length: ");
                    scanf("%f", &b);
                    printf("Please enter the height: ");
                    scanf("%f", &h);
                    area = (b * h) / 2;
                    printf("The area of the triangle is %f.", area);
                    printf("Do you want to continue (y/n)?");
                    scanf(" %c", &ans);
          }
    }

  system("PAUSE");
  return 0;
}