provide feedback for correct of wrong answer in hard

src/main/quizproject.c

@@ -241,23 +241,37 @@ void e_math_ques() {
     };
 
     char e_math_possible[][140] = {
-            "[A]. x = 2 [b]. x = 4 [c]. x = 5 [d]. x = 1",
-            "[A]. 4x^2 - 4x + 6 [b]. 4x^2 - 3x + 5 [c]. 3x^2 - 3x + 6 [d]. 4x^2 - 3x + 6",
-            "[A]. 1 [b]. 2 [c]. 5 [d]. 4",
-            "[A].y = 3x - 2. [b]. y = 2x - 1 [c]. y = 3x - 3 [d]. y = 2x - 2",
-            "[A]. 3x - 2. [b].  6x + 1 [c].  6x + 7 [d].  2x - 2",
-            "[A].y = 0.5x + 8.5 [b]. y = -0.5x + 8.5 [c]. y = 0.5x - 8.5 [d]. y = -0.5x - 8.5",
-            "[A].x = -2 or x = -2 [b]. x = -2 or x = 2 [c]. x = 2 or x = 2 [d]. x = -1 or x = -2",
-            "[A]. 3x + 2. [b].  6x + 13 [c].  6x + 14 [d].  2x - 2",
-            "[A]. (x - 3)^2 + (y - 4)^2 = 2.5 [b].  (x - 2)^2 + (y - 4)^2 = 25 [c].  (x - 3)^2 + (y - 2)^2 = 25 [d].  (x - 3)^2 + (y - 4)^2 = 25",
-            "[A]. x = 2 [b]. x = 6 [c]. x = 5 [d]. x = 7",
+            "[a]. x = 2 [b]. x = 4 [c]. x = 5 [d]. x = 1",
+            "[a]. 4x^2 - 4x + 6 [b]. 4x^2 - 3x + 5 [c]. 3x^2 - 3x + 6 [d]. 4x^2 - 3x + 6",
+            "[a]. 1 [b]. 2 [c]. 5 [d]. 4",
+            "[a].y = 3x - 2. [b]. y = 2x - 1 [c]. y = 3x - 3 [d]. y = 2x - 2",
+            "[a]. 3x - 2. [b].  6x + 1 [c].  6x + 7 [d].  2x - 2",
+            "[a].y = 0.5x + 8.5 [b]. y = -0.5x + 8.5 [c]. y = 0.5x - 8.5 [d]. y = -0.5x - 8.5",
+            "[a].x = -2 or x = -2 [b]. x = -2 or x = 2 [c]. x = 2 or x = 2 [d]. x = -1 or x = -2",
+            "[a]. 3x + 2. [b].  6x + 13 [c].  6x + 14 [d].  2x - 2",
+            "[a]. (x - 3)^2 + (y - 4)^2 = 2.5 [b].  (x - 2)^2 + (y - 4)^2 = 25 [c].  (x - 3)^2 + (y - 2)^2 = 25 [d].  (x - 3)^2 + (y - 4)^2 = 25",
+            "[a]. x = 2 [b]. x = 6 [c]. x = 5 [d]. x = 7",
 
     };
 
-    e_math_print(e_math, e_math_possible);
+    char e_math_solution[11] = {
+            'A',
+            'D',
+            'B',
+            'D',
+            'C',
+            'B',
+            'A',
+            'C',
+            'D',
+            'B',
+
+    };
+
+    e_math_print(e_math, e_math_possible, e_math_solution);
 }
 
-void e_math_print(char e_ques[][140], char e_poss[][140]){
+void e_math_print(char e_ques[][140], char e_poss[][140], char e_math_solution[]){
 
     int i = 0;
 
@@ -267,7 +281,12 @@ void e_math_print(char e_ques[][140], char e_poss[][140]){
         printf("     Answer: ");
         char user_answer;
         scanf(" %c", &user_answer);
-
+        user_answer = toupper(user_answer);
+        if (user_answer == e_math_solution[i]) {
+              printf("Correct!\n");
+        } else {
+             printf("Wrong!\n");
+        }
         i++;
     }
 }

src/main/quizproject.h

@@ -43,7 +43,7 @@ int math_answer(int);
 void math_display_choice();
 void math_enter_game();
 void e_math_ques(void);
-void e_math_print(char [][140], char [][140]);
+void e_math_print(char [][140], char [][140], char []);
 void math_help(void);
 void math_choose_game(void);