程序补充题:输入圆的半径,求圆的周长和面积,请选择正确的语句序号填写在空白处补充以下程序,完成上述功能。# define PI 3.14/*定义符号常量PI,其值为3.14*/int main(void){float r,l,s;;/*输入圆的半径*/l=2*PI*r; /*求周长*/;/*求面积*/printf("半径为%f,周长=%f,面积=%f", r,l,s);return 0;}a. # include b.# include c. scanf("%lf", &r)d.scanf("%f", &r)e. s=PI**r*rf.s=π**r*r