[Week04] BOJ 14925: 목장 건설하기

Author: JAEHEE25

weekly/week04/BOJ_14925_목장건설하기/JAEHEE25.java

@@ -0,0 +1,35 @@
+package week04.BOJ_14925_목장건설하기;
+
+import java.util.*;
+import java.lang.*;
+import java.io.*;
+
+class BOJ14925 {
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringTokenizer st = new StringTokenizer(br.readLine());
+        int M = Integer.parseInt(st.nextToken());
+        int N = Integer.parseInt(st.nextToken());
+        int[][] land = new int[M][N];
+        int[][] dp = new int[M+1][N+1];
+        int L = 0;
+
+        for (int i = 0; i < M; i++) {
+            st = new StringTokenizer(br.readLine());
+            for (int j = 0; j < N; j++) {
+                land[i][j] = Integer.parseInt(st.nextToken());
+            }
+        }
+
+        int answer = 0;
+        for (int i = 1; i <= M; i++) {
+            for (int j = 1; j <= N; j++) {
+                if (land[i-1][j-1] == 0) {
+                    dp[i][j] = Math.min(Math.min(dp[i-1][j], dp[i][j-1]), dp[i-1][j-1]) + 1; //위, 왼쪽, 왼쪽 위
+                    answer = Math.max(dp[i][j], answer);
+                }
+            }
+        }
+        System.out.println(answer);
+    }
+}