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Coding-Practice/programmers/할인 행사/solution.java
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2023-01-02 03:43:54 +09:00
// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/131127
import java.util.HashMap;
import java.util.Arrays;
class Solution {
public int solution(String[] want, int[] number, String[] discount) {
int answer = 0;
HashMap<String,Integer> hm = new HashMap<>(), hm2 = new HashMap<>();
for(int a = 0; a < want.length; a++){
hm2.put(want[a],number[a]);
}
for(int a = 0; a <= discount.length-10; a++){
boolean ans = true;
hm.clear();
for(String s : want) if(!discount[a].equals(s)) continue;
for(int b = a; b <= a + 9; b++){
hm.put(discount[b],hm.getOrDefault(discount[b],0)+1);
}
for(String s : want){
if(hm.getOrDefault(s,0)!=hm2.get(s)){
ans = false;
break;
}
}
if(ans) answer++;
}
return answer;
}
}