Update the script so that it doesn't need a solution

run.sh

@@ -15,19 +15,23 @@ if [[ -z $SOLUTIONS_FILE ]]; then
 fi
 
 declare -A solutions
-while read line; do
+if [[ -f "$SOLUTIONS_FILE" ]]; then
+	while read line; do
 		solutions[$(awk '{print $1}' <<< "$line")]=$(awk '{print $2}' <<< "$line")
-done < "$SOLUTIONS_FILE"
+	done < "$SOLUTIONS_FILE"
+fi
 
 for file in $(find "$TEST_FOLDER" -type f); do
 	echo "Arquivo de teste: $file"
 	res=$("$EXEC" -i -c < "$file" | awk '{print $4}')
 	optimal=${solutions[$(basename "$file")]}
 	echo "Resultado do programa: ${res}"
+	if [[ ! -z $optimal ]]; then
 		echo "Resultado ótimo:       ${optimal}"
 		if [[ $res = $optimal ]]; then
 			echo "Resultado ótimo!"
 		else
 			echo "Diferença de $(bc <<< "${res} - ${optimal}")"
 		fi
+	fi
 done