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새싹교실/2012/열반/120326



1.




  • 3 1 30 행.

2.1.


int f(int x); // () x   () 환하 f  '' 한 .

2.2. return

  • 환하 .

#include <stdio.h>
int f(){		//  5 환하 f .
	return 5;
}

main(){
	printf("%d", f());
}

2.2.1.

  • 표 : f(x)=x² .

int f(int x){
	return x^2;	/// wrong
}
  • x^2 x 2 xor .
  • C x*x .

int f(int x){
	return x*x;
}

2.3. else if

void p(int n)
{
	printf("%d\n", n);
}
int main()
{
	int x=7;

	if(x>10){
		p(1);
	}else if(x>5){
		p(2);
	}else{
		p(3);
	}

	p(4);

	return 0;
}

3.



    • 통한

4.

  • . . . .
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