Refactor Love-Calculator

Windows_System_examples/Love-Calculator/main.c

@@ -1,91 +1,79 @@
 #include <stdio.h> 
 #include <stdlib.h> 
-#include<conio.h> 
-int main()
+
+
+void enter_string(char* message, char* s, size_t s_size) {
+  printf("%s", message);
+  fgets(s, s_size, stdin);   
+}
+
+int get_score(char* s) 
 {
-  int i,a2,g=0,p,a1,s2=0,b,s1=0;
-  char s[1000],st[1000];
-   printf("Enter The First Name: ");
-    fgets(s, sizeof(s), stdin);   
-    for ( i = 0; s[i] != '\0'; i++);
-    a1=i-1;
-    printf("Enter The Second Name: ");
-    fgets(st, sizeof(st), stdin);   
-    for ( i = 0; st[i] != '\0'; i++);
-    a2=i-1;
-      for(int j=0;j<a1;j++)
-    {
-      b=(int) s[j];
-
-  if(s[j]==' ')
+  char *end;
+  for (end = s; *end != '\0'; ++end);
+  --end;
+
+  if (end == s) 
   {
-    continue;
+      printf("wrong Input\n");
+      return -1;
   }
-  else if(s[j]>='A'&&s[j]<='Z')
-  {
-    s1=s1+(b-64)*5;
-  }  
-  else if(s[j]>='a'&&s[j]<='z')
+
+  int score = 0;
+  char c;
+  for(char* p = s; p != end; ++p)
   {
-      s1=s1+(b-96)*5;
-  }
+    c = *p ^ 0x20;
+
+    if(c == ' ')
+    {
+      continue;
+    }
+    else if(c >= 'A' && c <= 'Z')
+    {
+      score += c - '@';
+    }  
     else
     {
       printf("wrong Input\n");
-      g=12;
-      break;
-      }
-        
+      return -1;
+    }
+  }
+  return score * 5 / (end - s);
 }
-s1=s1/a1;
 
+int main()
+{
+  int p,s1,s2;
+  char name[1000];
 
-  for(int j=0;j<a2;j++)
-    {
-      b=(int) st[j];
-
-  if(st[j]==' ')
+  while(1)
   {
-    continue;
-  }
+    do 
+    {
+      enter_string("Enter The First Name: ", name, sizeof(name));
+      s1 = get_score(name);
+    } while (s1 == -1);
 
-  else if(st[j]>='A'&&st[j]<='Z')
-  {
-    s2=s2+(b-64)*5;
-  }  
-  else if(st[j]>='a'&&st[j]<='z')
-  {
-      s2=s2+(b-96)*5;
-  }
+    do 
+    {
+      enter_string("Enter The Second Name: ", name, sizeof(name));
+      s2 = get_score(name);
+    } while (s2 == -1);
+
+    if(s2 > s1)
+    {
+      p = (s1 * 100) / s2;
+    }
     else
     {
-      printf("wrong Input\n");
-      g=12;
-      break;
-      }
-
-}
-s2=s2/a2;
+      p = (s2 * 100) / s1;
+    }
 
-if(g!=12)
-{
-if(s2>s1)
-{
-  p=(s1*100)/s2;
-}
-else
-{
-  p=(s2*100)/s1;
-}
-char ch='%';
-printf("The love Percentage is : %d %c\n",p,ch);
-}
-else
-{
-  printf("Input Error\n");
-}
-printf("\n pls Follow me  🌟 if you like this code 😊\n");
-    return main();
+    printf("The love Percentage is : %d %% \n",p);
+    printf("\n pls Follow me  🌟 if you like this code 😊\n");
+  } 
+  return 0;
 }