diff --git a/quiz4/quiz4.cpp b/quiz4/quiz4.cpp
index bb452ad..79f290d 100644
--- a/quiz4/quiz4.cpp
+++ b/quiz4/quiz4.cpp
@@ -1,5 +1,6 @@
 #include <iostream>
 #include <cstring>
+#include <sstream>
 #include <limits.h>
 
 struct node {
@@ -64,6 +65,8 @@ int main () {
 		std::cout << "招募了小人 #" << 1 << " , 它前面是 #" << (*(*curr).prev).id << " , 它后面是 #" << (*(*curr).next).id << std::endl;
 	}
 	
+	std::stringstream out_roll;
+	
 	int counting = 0;
 	node* next_one = (*first).prev;
 	while (count > 1) {
@@ -72,6 +75,7 @@ int main () {
 		counting++;
 		std::cout << "小人 #" << (*current).id << " 数到了" << counting;
 		if (counting == 3) {
+			out_roll << "#" << (*current).id << " ";
 			remove_one(current);
 			counting = 0;
 			count--;
@@ -84,6 +88,7 @@ int main () {
 	
 	std::cout << "=====" << std::endl
 			<< "最终剩下了小人 #" << (*next_one).id << " !" << std::endl;
+	std::cout << "小人的出列顺序是: " << out_roll.str() << "." << std::endl;
 	
 	return 0;