diff --git a/src/week5/BOJ1700/BOJ1700_V1.cpp b/src/week5/BOJ1700/BOJ1700_V1.cpp
new file mode 100644
index 0000000..c94f603
--- /dev/null
+++ b/src/week5/BOJ1700/BOJ1700_V1.cpp
@@ -0,0 +1,57 @@
+#include <bits/stdc++.h>
+using namespace std;
+vector<queue<int>> q_vector;
+vector<int> inp;
+bool connected[101];
+int connected_cnt;
+int N,K;
+int main() {
+
+    ios_base::sync_with_stdio(false);
+    cin.tie(nullptr);
+    cout.tie(nullptr);
+
+    cin >> N;
+    cin >> K;
+    q_vector.resize(K+1,queue<int>());
+    for (int i=0; i<K; i++) {
+        int temp;
+        cin >> temp;
+        inp.push_back(temp);
+        q_vector[temp].push(i);
+    }
+    int ret = 0;
+    for (int i=0; i<K; i++) {
+        q_vector[inp[i]].pop();
+        if (connected_cnt == N) {
+            if (connected[inp[i]]) continue;
+            else {
+                int max_val = 0;
+                int max_index = K+1;
+                for (int j=1; j<K+1; j++) {
+                    if (connected[j] && q_vector[j].empty()) {
+                        max_index = j;
+                        break;
+                    } else if (connected[j] && q_vector[j].size()) {
+                        if (max_val < q_vector[j].front()) {
+                            max_val = q_vector[j].front();
+                            max_index = j;
+                        }
+                    }
+                }
+                ret++;
+                connected[max_index] = false;
+                connected[inp[i]] = true;
+            }
+        } else {
+            if (connected[inp[i]]) continue;
+            else {
+                connected_cnt++;
+                connected[inp[i]] = true;
+            }
+        }
+    }
+
+    cout << ret;
+    return 0;
+}
\ No newline at end of file