88차 3번 문제풀이

Author: eric-hjh

live8/test88/문제3/황장현.js

@@ -0,0 +1,30 @@
+function solution(n, lost, reserve) {
+  let 진짜두고온애들 = lost
+    .filter((l) => !reserve.includes(l))
+    .sort((a, b) => a - b);
+
+  let 진짜빌려줄수있는애들 = reserve
+    .filter((r) => !lost.includes(r))
+    .sort((a, b) => a - b);
+
+  let answer = n - 진짜두고온애들.length;
+
+  for (let i = 0; i < 진짜두고온애들.length; i++) {
+    const 진짜두고온애 = 진짜두고온애들[i];
+
+    for (let j = 0; j < 진짜빌려줄수있는애들.length; j++) {
+      const 진짜빌려줄수있는애 = 진짜빌려줄수있는애들[j];
+      if (
+        진짜빌려줄수있는애 === 진짜두고온애 - 1 ||
+        진짜빌려줄수있는애 === 진짜두고온애 + 1
+      ) {
+        answer += 1;
+        진짜빌려줄수있는애들[j] = -1;
+        break;
+      }
+    }
+  }
+  return answer;
+}
+
+console.log(solution(5, [2, 4], [1, 3, 5]));