From b45e3670cc1272204277140c58d1885682715c0e Mon Sep 17 00:00:00 2001
From: BBaoVanC <github@bbaovanc.com>
Date: Tue, 20 Oct 2020 20:54:24 -0500
Subject: [PATCH] letter-grade.c: Change if-else chain to switch statement

---
 letter-grade.c | 30 ++++++++++++++++++++----------
 1 file changed, 20 insertions(+), 10 deletions(-)

diff --git a/letter-grade.c b/letter-grade.c
index ae6f968..7123716 100644
--- a/letter-grade.c
+++ b/letter-grade.c
@@ -7,17 +7,27 @@ int main() {
 
     if ((input >= 0) && (input <= 100)) {
         char letter;
-        if ((input/10) >= 9) {
-            letter = 'A';
-        } else if ((input/10) >= 8) {
-            letter = 'B';
-        } else if ((input/10) >= 7) {
-            letter = 'C';
-        } else if ((input/10) >= 6) {
-            letter = 'D';
-        } else {
-            letter = 'F';
+        int inputRange = input/10;
+
+        switch(inputRange) {
+            case 10:
+            case 9:
+                letter = 'A';
+                break;
+            case 8:
+                letter = 'B';
+                break;
+            case 7:
+                letter = 'C';
+                break;
+            case 6:
+                letter = 'D';
+                break;
+            case 5:
+            default:
+                letter = 'F';
         }
+
         printf("Your letter grade is %c\n", letter);
     } else {
         printf("ERROR: Input must be no more than 100 and no less than 0\n");