수다닷컴

#include iostream
#include cstdlib
#include iomanip
using namespace std;void printResult (float num1, float num2, float result, int option);
int getOption (void);

float calc (int option, float num1, float num2);
float min (float num1, float num2);
float max (float num1, float num2);
float sum (float num1, float num2);
float avg (float num1, float num2);

int main ()
{
int option = getOption();

float num1;
float num2;

float result = calc (option, num1, num2);
printResult (num1, num2, result, option);
return 0;
}

int getOption()
{
cout \n\n\n;
cout \n\t*************************;
cout \n\t* MENU **;
cout \n\t* **;
cout \n\t* 1. min **;
cout \n\t* 2. max **;
cout \n\t* 3. sum **;
cout \n\t* 4. avg **;
cout \n\t* **;
cout \n\t*************************;

cout \n\nPlease type your choice
and press the return key : ;
int option;
cin option;
return option;
}float calc (int option, float num1, float num2)
{
float result;
switch (option)
{
case 1 : result = min (num1, num2);
break;
case 2 : result = max (num1, num2);
break;
case 3 : result = sum (num1, num2);
break;
case 4 : if (num2 == 0.0)
{
cout \n\a\aError: ;
cout division by zero ***\n;
exit (1);
}
else
result = avg (num1, num2);
break;

default : cout \aOption not acailable\n;
exit (1);
}
return result;
}

float min (float num1, float num2)
{
return 7;
}
float max (float num1, float num2)
{
return 54;
}
float sum (float num1, float num2)
{
return 18 + 21 + 7 + 54 + 9;
}
float avg (float num1, float num2)
{
return (18 + 21 + 7 + 54 + 9) / 5;
}

void printResult (float num1, float num2, float result, int option)
{
cout fixed setprecision(2);
cout \n\n;
switch (option)
{
case 1 : cout min ;
break;
case 2 : cout max ;
break;
case 3 : cout sum ;
break;
case 5 : cout avg ;
break;
}
cout = result endl;
return;
}
소스가 이렇거든요?

for문이나 while문은 아직 안배워서요

쓰기가 좀 그래서 안쓰고 5번을 실시키는 방법이 없을까요;;

배우는 과정인데 너무 어렵네요;; 부탁드려요^^;

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