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새싹교실/2011/씨언어발전/4회차



1. 4회(5 4)


1.1.

* Zeropage ( " " )

* 함 (함 )
*
*
* , , static ?
* 함

#include <stdio.h>
int Fact(int a);

void main(){

	printf("%d",Fact(3));

}


int Fact(int a){

	int result=1;

	if(a==1) return 1;

	return Fact(a-1)*a;

}
#include <stdio.h>

void  sum(int a,int b);
void mul(double a, double b);
void div(double a, double b);

void main(){

	int menu,i,j;

	printf("1.합 2. 3.\n");
	
	scanf("%d",&menu);
	printf(" 2 ");
	
	scanf("%d %d",&i,&j);
	



	switch(menu){

		case 1 : sum(i,j);break;

		case 2 :	mul(i,j);break;

		case 3 : div(i,j);break;

		default : break;

	}

}

void sum(int a,int b){
	 printf("%d",a+b);}

void mul(double a, double b){

	printf("%.3f",a*b);}

void div(double a, double b){

	printf("%.3f",a/b);

}




-
* 함 (함 )
* ?
* ?
* , , static ?
* 함 ?

1.2.1.



: 한 함 .
.
>> void f() ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ
static .
static .

1.2.2.

switch 함 1 , 2 , 3 .
, .
factorial 함
void return .
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