keyinput.length ๋งํผ ๋ฐ๋ณต๋ฌธ์์ ์กฐ๊ฑด๋ฌธ๋ง ์ ๊ฑธ์ด์ฃผ๋ฉด ํด๊ฒฐ๋๋ ๋ฌธ์
์ฃผ์ํ ์ ์ ์ฃผ์ด์ง board๊ธธ์ด/2 ์ ํด๋นํ๋ ๊ฐ๊น์ง๋ง ์์ง์ผ ์ ์๋ค๋๊ฒ ( ์์ ์ฒ๋ฆฌ ์ ๊ฒฝ์ฐ๊ธฐ )
class Solution {
public int[] solution(String[] keyinput, int[] board) {
int[] answer = {0,0};
for(int i=0; i<keyinput.length; i++){
// key input = left or right-> answer[0]
if(keyinput[i].equals("left")||keyinput[i].equals("right")){
if(keyinput[i].equals("left")){
if(answer[0]>-(board[0]/2))
answer[0]--;
}else{
if(answer[0]<board[0]/2)
answer[0]++;
}
// key input = down or up -> answer[1]
}else{
if(keyinput[i].equals("down")){
if(answer[1]> -(board[1]/2))
answer[1]--;
}else{
if(answer[1]<board[1]/2)
answer[1]++;
}
}
}
return answer;
}
}
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