diff --git a/src/week5/BOJ15683/BOJ15683_V1.cpp b/src/week5/BOJ15683/BOJ15683_V1.cpp
new file mode 100644
index 0000000..189c9d8
--- /dev/null
+++ b/src/week5/BOJ15683/BOJ15683_V1.cpp
@@ -0,0 +1,102 @@
+#include <bits/stdc++.h>
+using namespace std;
+int N,M;
+int room[8][8];
+struct cctv_struct{
+    int y, x;
+    int num;
+};
+vector<cctv_struct> cctv;
+
+int dy[4] = {-1, 0, 1, 0};
+int dx[4] = {0, 1, 0, -1};
+int directionMask[6] = {
+    0,   // 0000
+    1,   // 0001
+    5,   // 0101
+    3,   // 0011
+    7,   // 0111
+    15   // 1111
+};
+
+int cctv_cnt;
+int ret = INT_MAX;
+
+int get_cnt() {
+    int cnt=0;
+    for (int i=0; i<N; i++) {
+        for (int j=0; j<M; j++) {
+            if (room[i][j] == 0) cnt++;
+        }
+    }
+    return cnt;
+}
+void watch(int y, int x, int dir) {
+    while (true) {
+        y += dy[dir];
+        x += dx[dir];
+
+        if (y < 0 || y >= N || x < 0 || x >= M)
+            break;
+
+        if (room[y][x] == 6)
+            break;
+
+        if (room[y][x] == 0)
+            room[y][x] = -1;
+    }
+}
+
+void do_cctv(cctv_struct cctv_arg, int rotation) {
+    int mask = directionMask[cctv_arg.num];
+
+    mask = ((mask << rotation) | (mask >> (4 - rotation))) & 0b1111;
+
+    for (int dir = 0; dir < 4; dir++) {
+        if (mask & (1 << dir)) {
+            watch(cctv_arg.y, cctv_arg.x, dir);
+        }
+    }
+}
+
+void solve(int n) {
+    if (n == cctv_cnt) {
+        ret = min(ret, get_cnt());
+        return;
+    }
+
+    for (int i=0; i<4; i++) {
+        int temp[8][8];
+        memcpy(temp, room, sizeof(room));
+        do_cctv(cctv[n], i);
+        solve(n+1);
+        memcpy(room,temp,sizeof(room));
+    }
+}
+
+
+int main() {
+
+    ios_base::sync_with_stdio(false);
+    cin.tie(nullptr);
+    cout.tie(nullptr);
+
+    cin >> N >> M;
+
+    for (int i=0; i<N; i++) {
+        for (int j=0; j<M; j++) {
+            cin >> room[i][j];
+            if (room[i][j] >=1 && room[i][j] <=5) {
+                cctv.push_back({i,j,room[i][j]});
+            }
+        }
+    }
+
+    cctv_cnt = cctv.size();
+
+    solve(0);
+
+    cout << ret;
+
+    return 0;
+}
\ No newline at end of file