[moonjonghoo] 05.01.19

Moonjonghoo/queue/로그인_성공.js

@@ -0,0 +1,11 @@
+function solution(id_pw, db) {
+  const [id, pw] = id_pw;
+
+  for (const [dbId, dbPw] of db) {
+    if (id === dbId) {
+      return pw === dbPw ? "login" : "wrong pw";
+    }
+  }
+
+  return "fail";
+}

Moonjonghoo/queue/순서쌍의_개수.js

@@ -0,0 +1,14 @@
+function solution(n) {
+  let count = 0;
+
+  for (let i = 1; i <= Math.sqrt(n); i++) {
+    if (n % i === 0) {
+      count++; // i가 약수
+      if (i !== n / i) {
+        count++; // i가 n의 제곱근이 아니면 나머지 짝도 추가
+      }
+    }
+  }
+
+  return count;
+}

Moonjonghoo/queue/점의_위치_구하기.js

@@ -0,0 +1,8 @@
+function solution(dot) {
+  const [x, y] = dot;
+
+  if (x > 0 && y > 0) return 1; // 1사분면
+  if (x < 0 && y > 0) return 2; // 2사분면
+  if (x < 0 && y < 0) return 3; // 3사분면
+  if (x > 0 && y < 0) return 4; // 4사분면
+}

Moonjonghoo/queue/특이한_정렬.js

@@ -0,0 +1,11 @@
+function solution(numlist, n) {
+  return numlist.sort((a, b) => {
+    const diffA = Math.abs(a - n);
+    const diffB = Math.abs(b - n);
+
+    if (diffA === diffB) {
+      return b - a; 
+    }
+    return diffA - diffB; 
+  });
+}

Moonjonghoo/queue/프로세스.js

@@ -0,0 +1,17 @@
+function solution(priorities, location) {
+  let order = 0;
+
+  while (priorities.length > 0) {
+    const current = priorities.shift();
+    if (priorities.some((priority) => priority > current)) {
+      priorities.push(current);
+      location = location === 0 ? priorities.length - 1 : location - 1;
+    } else {
+      order++;
+      if (location === 0) {
+        return order; // 목표 프로세스가 실행되었을 때 순서를 반환
+      }
+      location--;
+    }
+  }
+}