Laguna of Cakel

using namespace std;

void add(float aA, float aB)
{
 cout << aA << " + " << aB << " = " << aA + aB << endl;
 return;
}

void sub(float aA, float aB)
{
 cout << aA << " - " << aB << " = " << aA - aB << endl;
 return;
}

void mul(float aA, float aB)
{
 cout << aA << " * " << aB << " = " << aA * aB << endl;
 return;
}

void div(float aA, float aB)
{
 cout << aA << " / " << aB << " = " << aA / aB << endl;
 return;
}

int main(int argc, char* argv[])
{
 if(argc != 3) cout << "두 개의 인수를 넣어 주세요." << endl;
 else
 {
  add(atof(argv[1]), atof(argv[2]));
  sub(atof(argv[1]), atof(argv[2]));
  mul(atof(argv[1]), atof(argv[2]));
  div((float)atof(argv[1]), (float)atof(argv[2]));

 }

 return 0;
}

int main(int argc, char* argv[])
{
 int i = 0;
 double total, max, min;
 total = 0.0;

 if(argc > 6) puts("입력된 값 초과!");
 else
 {
  if(argc < 6) puts("입력된 값 부족!");
  else
  {
   min = (float)atof(argv[1]);
   max = (float)atof(argv[1]);

   for(i = 1; i < 6; i++)
   {
    min = min > (float)atof(argv[i]) ? (float)atof(argv[i]) : min;
    max = max < (float)atof(argv[i]) ? (float)atof(argv[i]) : max;
    total += (float)atof(argv[i]);
   
   }
   printf("최대값 : %f\n", max);
   printf("최소값 : %f\n", min);
   printf("평균값 : %f\n", total / 5);

  }

 }

 return 0;
}