From 9e9da13105738fcce9f3f1d5a652f92b96285774 Mon Sep 17 00:00:00 2001 From: Jinyeong Seol Date: Sat, 1 Nov 2025 23:08:17 +0900 Subject: [PATCH] =?UTF-8?q?[20251101]=20BOJ=20/=20G1=20/=20=ED=95=A0=20?= =?UTF-8?q?=EC=9D=BC=20=EC=A0=95=ED=95=98=EA=B8=B0=201=20/=20=EC=84=A4?= =?UTF-8?q?=EC=A7=84=EC=98=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...\354\240\225\355\225\230\352\270\260 1.md" | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 "Seol-JY/202511/1 BOJ G1 \355\225\240 \354\235\274 \354\240\225\355\225\230\352\270\260 1.md" diff --git "a/Seol-JY/202511/1 BOJ G1 \355\225\240 \354\235\274 \354\240\225\355\225\230\352\270\260 1.md" "b/Seol-JY/202511/1 BOJ G1 \355\225\240 \354\235\274 \354\240\225\355\225\230\352\270\260 1.md" new file mode 100644 index 00000000..45cb4804 --- /dev/null +++ "b/Seol-JY/202511/1 BOJ G1 \355\225\240 \354\235\274 \354\240\225\355\225\230\352\270\260 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; + } +} +```