U E D R , A S I H C RSS

새싹교실/2012/사과나무



1.

123-13-2

2.1. 1 (3 21 , 3 22)

2.1.1.

3/21 -  .
, .
,
, , ,
. ;
, ,
.
printf() scanf() .

2.1.2.

  • : F4(ThreeFs + Future Action Plan) .
    • : ThreeFs, ThreeFs(), FiveFs()

      • Facts, Feelings, Findings, Future Action Plan. , , , 깨 , .
      • : " 5 .() 기 .() .(깨) .()"

  • . 고 . . . 게 과. .그 . . . -

  • . . 고 . 그 . . -

2.2. 2(3 28)


2.2.1.

  • . ' 기 게' 고 #include #define . , switch과 if . .
  • : .

2.2.2.


  • , ' 기 게' 고, . . . . -
  • . . 고, . 거기!! -
  • . . . 고, rand() . k p default k p . 간과 . 2 . -

2.2.3.

  • -

2.3. 3-1

2.3.1.

  • 1. . 구구 .
  • 19 .

2.3.2.


2.4. 3-2

  • .
  • 19X19 3 .

#include <stdio.h>

int main()
{
	int i,j,k=0;

	for(i=1;i<19;i+=3){
		
		/*for(j=1;j<20;j++){
			k=i;
			printf("%d * %2d = %3d\t",k,j,k*j);
			k++;
			printf("%d * %2d = %3d\t",k,j,k*j);
			k++;
			printf("%d * %2d = %3d\n",k,j,k*j);
		} //       .
                */

		for(j=1;j<20;j++,i-=2){
			printf("%d * %2d = %3d\t",i,j,i*j);
			i++;
			printf("%d * %2d = %3d\t",i,j,i*j);
			i++;
			printf("%d * %2d = %3d\n",i,j,i*j);
		}
		printf("\n");

		printf("\n");
	}

	for(i=19;i<20;i++){
		for(j=1;j<20;j++){
			printf("%d * %2d = %3d\n",i,j,i*j);
		}
	}
	
		return 0;

  • switch과 if .


#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main()
{
	int i;
	int j;

	srand(time(NULL));

	i=rand()%4;



	if(i==1) printf("1\n");
	else if(i==2) printf("2\n");
	else if(i==3) printf("3\n");
	else printf("0\n");

	/*switch(i){

	case 1:
		printf("1\n");
		break;
	case 2:
		printf("2\n");
		break;
	case 3:
		printf("3\n");
		break;
	default:
		printf("0\n");
		break;
		
	}
	*/

	return 0;

}


  • 1. 1~255까
  • 2. 각각 갯 고 -1
  • 3. 각 19X19

2.4.1.

  • 고 19X19 3 . . . 꼼꼼 고, . -

  • . . 구구 \t 고,int k . 2개 . . . . -


    1. 1~19
    2. if, switch, else-if, for, while, do-while .
    3. .
    4. ! -


  • 경 - 6



Valid XHTML 1.0! Valid CSS! powered by MoniWiki
last modified 2021-02-07 05:29:45
Processing time 0.0336 sec