[20251101] BOJ / G1 / 할 일 정하기 1 / 설진영

Seol-JY/202511/1 BOJ G1 할 일 정하기 1.md

@@ -0,0 +1,53 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    static int N;
+    static int[][] cost;
+    static int[][] dp;
+    static final int INF = 987654321;
+
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+
+        N = Integer.parseInt(br.readLine());
+        cost = new int[N][N];
+
+        for (int i = 0; i < N; i++) {
+            StringTokenizer st = new StringTokenizer(br.readLine());
+            for (int j = 0; j < N; j++) {
+                cost[i][j] = Integer.parseInt(st.nextToken());
+            }
+        }
+
+        dp = new int[N][1 << N];
+        for (int i = 0; i < N; i++) {
+            Arrays.fill(dp[i], -1);
+        }
+
+        System.out.println(solve(0, 0));
+    }
+
+    static int solve(int person, int mask) {
+        if (person == N) {
+            return 0;
+        }
+
+        if (dp[person][mask] != -1) {
+            return dp[person][mask];
+        }
+
+        int result = INF;
+
+        for (int job = 0; job < N; job++) {
+            if ((mask & (1 << job)) == 0) {
+                int nextMask = mask | (1 << job);
+                result = Math.min(result, cost[person][job] + solve(person + 1, nextMask));
+            }
+        }
+
+        return dp[person][mask] = result;
+    }
+}
+```