5.5 반복문 while

int count = 0; //counter선언

while ( count < 10 ) //while 조건이 true여야 출력된다. 

{

cout << count << endl;

++count;

if( count == 10 ) break;

}

몇 번에 한번씩 어떤 행위를 하도록 출력하고 싶다. 

int count = 1;

while( count < 100)

{

if( count%5 == 0 ) cout << "Hello" << count << endl;

count ++;

} 

while문 안에 while문 

int outer_count = 1;

while (outer_count <= 5)

{

int inner_count =1;

while(inner_count <= outer_count)

{

cout << inner_count++ << " ";

}

cout << endl;

++outer_count;

<Result>

1

1 2

1 2 3

1 2 3 4

1 2 3 4 5