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updated at 2022. 12. 8. 오후 5:38:38

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rl544
2022-12-08 17:38:38 +09:00
parent 8b8f7a5fd3
commit 6b8c2bf038
1 changed files with 11 additions and 25 deletions
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programmers/햄버거 만들기/solution.java
+10 -24
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@@ -1,34 +1,20 @@
// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/133502 // [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/133502
import java.util.*;
class Solution { class Solution {
public int solution(int[] ingr) { public int solution(int[] ingredient) {
int[] stack = new int[ingredient.length];
int sp = 0;
int answer = 0; int answer = 0;
ArrayList<Integer> list = new ArrayList<>(); for (int i : ingredient) {
ArrayList<Integer> list2 = new ArrayList<>(); stack[sp++] = i;
list2.add(1); if (sp >= 4 && stack[sp - 1] == 1
list2.add(2); && stack[sp - 2] == 3
list2.add(3); && stack[sp - 3] == 2
list2.add(1); && stack[sp - 4] == 1) {
for (int i = 0; i < ingr.length; i++){ sp -= 4;
list.add(ingr[i]);
if(list.size() >= 4){
ArrayList<Integer> list3 = new ArrayList<>();
list3.add(list.get(list.size()-4));
list3.add(list.get(list.size()-3));
list3.add(list.get(list.size()-2));
list3.add(list.get(list.size()-1));
if(list3.equals(list2)){
answer++; answer++;
list.remove(list.size()-1);
list.remove(list.size()-1);
list.remove(list.size()-1);
list.remove(list.size()-1);
} }
} }
}
return answer; return answer;
} }
} }