Initialization

a1/program.c

@@ -8,9 +8,8 @@ int main() {
     double num1, num2, result, expected_result;
     char op;
 
-    while (fgets(line, sizeof(line), stdin) != NULL) {
-        num1 = num2 = result = 0;
-        op = '\0';
+    // Read the input line
+    fgets(line, sizeof(line), stdin);
 
     // Remove any spaces between symbols
     for (int i = 0; line[i] != '\0'; i++) {
@@ -28,13 +27,13 @@ int main() {
     // Check if the input is valid
     if (op != '+' && op != '-' && op != '*' && op != '/') {
         printf("CHYBA\n");
-            continue;
+        return 1;
     }
 
     // Check for division by zero
     if (op == '/' && num2 == 0) {
         printf("CHYBA\n");
-            continue;
+        return 1;
     }
 
     // Perform the calculation
@@ -59,7 +58,6 @@ int main() {
     } else {
         printf("ZLE\n");
     }
-    }
 
     return 0;
 }