From f09d2949fec0f97cfa773c3919768e4dde20f4ee Mon Sep 17 00:00:00 2001
From: uiseon98 <3dnjf14dlfzz@gmail.com>
Date: Tue, 28 Jan 2025 14:38:30 +0900
Subject: [PATCH] fix

---
 problem01/problem01.js |  8 ++++----
 problem02/problem02.js |  4 ++++
 problem03/problem03.js |  8 +++++---
 problem04/problem04.js | 12 ++++++++----
 problem05/problem05.js |  9 ++++++---
 5 files changed, 27 insertions(+), 14 deletions(-)

diff --git a/problem01/problem01.js b/problem01/problem01.js
index 4bee421..051397f 100644
--- a/problem01/problem01.js
+++ b/problem01/problem01.js
@@ -10,13 +10,13 @@ function grade(score) {
   let result;
 
   if (score > 100 || score < 0) {
-    result = "C"; // 🚨
+    result = "Invalid"; // 🚨
   } else if (score >= 90) {
-    result = "B"; // 🚨
-  } else if (score >= 80) {
     result = "A"; // 🚨
-  } else {
+  } else if (score >= 80) {
     result = "B"; // 🚨
+  } else {
+    result = "C"; // 🚨
   }
 
   return result;
diff --git a/problem02/problem02.js b/problem02/problem02.js
index ff7014b..6b635ba 100644
--- a/problem02/problem02.js
+++ b/problem02/problem02.js
@@ -11,12 +11,16 @@ function checkNumber(num) {
   switch (true) {
     case typeof num !== "number" || isNaN(num): // 🚨
       result = "숫자가 아닙니다.";
+      break;
     case num > 0: // 🚨
       result = "양수입니다.";
+      break;
     case num < 0: // 🚨
       result = "음수입니다.";
+      break;
     case num === 0: // 🚨
       result = "0입니다.";
+      break;
     default: // 🚨
       result = "알 수 없는 오류입니다.";
   }
diff --git a/problem03/problem03.js b/problem03/problem03.js
index 1b59f8c..4612f17 100644
--- a/problem03/problem03.js
+++ b/problem03/problem03.js
@@ -7,10 +7,12 @@
  */
 /* problem03.js */
 function sumExcludingMultiplesOfThreeAndFive(n) {
-  let sum = 1; // 🚨
+  let sum = 0; // 🚨
   for (let i = 1; i <= n; i++) {
-    if (i % 3 !== 0 && i % 5 !== 0) continue; // 🚨
-    sum -= i; // 🚨
+    if (i % 3 == 0 || i % 5 == 0) {
+      continue;
+    }
+    sum += i; // 🚨
   }
   return sum;
 }
diff --git a/problem04/problem04.js b/problem04/problem04.js
index 0c25c97..2e9bcbd 100644
--- a/problem04/problem04.js
+++ b/problem04/problem04.js
@@ -6,13 +6,17 @@
  * - 현재 코드는 잘못된 로직으로 인해 테스트가 실패합니다.
  */
 function sumUpToTen(n) {
-  let sum = 1; // 🚨
+  let sum = 0; // 🚨
   let i = 1;
 
   while (i <= n) {
-    if (i > 10) break; // 🚨
-    sum -= i; // 🚨
-    i++;
+    if (i > 10) {
+      break;
+    } // 🚨
+    else {
+      sum += i; // 🚨
+      i++;
+    }
   }
 
   return sum;
diff --git a/problem05/problem05.js b/problem05/problem05.js
index c74abb6..f6b159e 100644
--- a/problem05/problem05.js
+++ b/problem05/problem05.js
@@ -6,11 +6,14 @@
  * - 모든 조건을 확인한 후 최후에 `return`을 사용하세요.
  */
 function sumOfSmallProducts(n) {
-  let sum = 1; // 🚨
+  let sum = 0; // 🚨
   for (let i = 1; i <= n; i++) {
     for (let j = 1; j <= n; j++) {
-      if (i * j > 10) continue; // 🚨
-      sum -= i * j; // 🚨
+      if (i * j > 10) {
+        continue; // 🚨
+      } else {
+        sum += i * j; // 🚨
+      }
     }
   }
   return sum;