diff --git a/programmers/두 큐 합 같게 만들기/solution.java b/programmers/두 큐 합 같게 만들기/solution.java
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+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/118667
+
+import java.util.*;
+import java.util.stream.*;
+class Solution {
+    public long solution(int[] queue1, int[] queue2) {
+        long answer = 0;
+        Queue<Integer> q = new LinkedList<>(Arrays.stream(queue1).boxed().collect(Collectors.toList())),
+         q2 = new LinkedList<>(Arrays.stream(queue2).boxed().collect(Collectors.toList()));
+        long temp = 0, temp2 = 0;
+        int sur = 0, tot = q.size()+q2.size();
+        for(int a : queue1) temp += a;
+        for(int a : queue2) temp2 += a;
+        // temp = q.stream().mapToInt(i->i).sum();
+        // temp2 = q2.stream().mapToInt(i->i).sum();
+        while(temp!=temp2){
+            if(temp>temp2){
+                sur = q.poll();
+                q2.add(sur);
+                temp -= sur;
+                temp2 += sur;
+            } else {
+                sur = q2.poll();
+                q.add(sur);
+                temp += sur;
+                temp2 -= sur;
+            }
+            answer++;
+            if(temp==0||temp2==0||answer > tot*2) {
+                answer = -1;
+                break;
+            }
+        }
+        return answer;
+    }
+}
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