diff --git a/src/sort.c b/src/sort.c
index 08220ca..59b6c42 100644
--- a/src/sort.c
+++ b/src/sort.c
@@ -65,6 +65,34 @@ void print_array(int *array, int n) {
 	fprintf(stdout, "\n\n");
 }
 
+/**
+ * Leer el buffer de stdin y guardar el valor si es numerico
+ * @param variable Donde se guarda el valor del stdin
+ * @return Retorna 1 si es exitosa ó 0 si falla
+ */
+int read_buffer(int *variable) {
+	char buffer[12];
+	while (1) {
+		if (fgets(buffer, 12, stdin) != NULL) {
+			if (buffer[strlen(buffer) - 1] == '\n') {
+				buffer[strlen(buffer) - 1] = '\0';
+				break;
+			}
+		}
+	}
+	char **check = malloc(sizeof(char**));
+	long input = strtol(buffer, check, 10);
+	if (*check[0] == '\0') {
+		free(check);
+		*variable = (int) input;
+		return 1;
+	}
+	else {
+		free(check);
+		return 0;
+	}
+}
+
 /**
  * Liberar la memoria al salir
  */
@@ -177,9 +205,7 @@ int main (int argc, char **argv) {
 		if (elegir) {
 			opt = 0;
 			fprintf(stdout, "Elegir elemento %lli: ", i + 1);
-			while (!fscanf(stdin, "%d", &opt)) {
-				// Falló, pide de nuevo después de limpiar stdin
-				while ((opt = getchar()) != '\n' && opt != EOF) { }
+			while (!read_buffer(&opt)) {
 				fprintf(stdout, "Número invalido! Tiene que ser mayor de 1!\n");
 				fprintf(stdout, "Elegir elemento %lli: ", i + 1);
 			}
@@ -195,22 +221,24 @@ int main (int argc, char **argv) {
 	}
 
 	if (quick) {
-		fprintf(stdout, "Quick sort corriendo...\n");
+		fprintf(stdout, "Quick sort corriendo... ");
 		fflush(stdout);
 		memcpy(work_array, unordered_array, sizeof(int) * n);
 		start_timer();
 		quick_sort(work_array, n);
 		stop_timer();
+		fprintf(stdout, "done\n");
 		print_timer();
 	}
 
 	if (bubble) {
-		fprintf(stdout, "Bubble sort corriendo...\n");
+		fprintf(stdout, "Bubble sort corriendo... ");
 		fflush(stdout);
 		memcpy(work_array, unordered_array, sizeof(int) * n);
 		start_timer();
 		bubble_sort(work_array, n);
 		stop_timer();
+		fprintf(stdout, "done\n");
 		print_timer();
 	}
 
@@ -219,12 +247,13 @@ int main (int argc, char **argv) {
 	}
 
 	if (count) {
-		fprintf(stdout, "Count sort corriendo...\n");
+		fprintf(stdout, "Count sort corriendo... ");
 		fflush(stdout);
 		memcpy(work_array, unordered_array, sizeof(int) * n);
 		start_timer();
 		count_sort(work_array, n);
 		stop_timer();
+		fprintf(stdout, "done\n");
 		print_timer();
 	}