From a31f9d4cf535950bcd11fbe2be0a5f0fd145d932 Mon Sep 17 00:00:00 2001 From: Jinyeong Seol Date: Sun, 9 Nov 2025 23:53:06 +0900 Subject: [PATCH] =?UTF-8?q?[20251109]=20BOJ=20/=20G4=20/=20=EB=9E=A8?= =?UTF-8?q?=ED=94=84=20/=20=EC=84=A4=EC=A7=84=EC=98=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...4 \353\236\250\355\224\204.md\342\200\216" | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 "Seol-JY/202511/09 BOJ G4 \353\236\250\355\224\204.md\342\200\216" diff --git "a/Seol-JY/202511/09 BOJ G4 \353\236\250\355\224\204.md\342\200\216" "b/Seol-JY/202511/09 BOJ G4 \353\236\250\355\224\204.md\342\200\216" new file mode 100644 index 00000000..81a5f9ce --- /dev/null +++ "b/Seol-JY/202511/09 BOJ G4 \353\236\250\355\224\204.md\342\200\216" @@ -0,0 +1,46 @@ +```java +import java.io.*; +import java.util.*; + +public class Main { + public static void main(String[] args) throws IOException { + BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + StringTokenizer st = new StringTokenizer(br.readLine()); + + int N = Integer.parseInt(st.nextToken()); + int M = Integer.parseInt(st.nextToken()); + + String[] rows = new String[N]; + for (int i = 0; i < N; i++) { + rows[i] = br.readLine(); + } + + int K = Integer.parseInt(br.readLine()); + + Map patternCount = new HashMap<>(); + for (String row : rows) { + patternCount.put(row, patternCount.getOrDefault(row, 0) + 1); + } + + int maxRows = 0; + + for (Map.Entry entry : patternCount.entrySet()) { + String pattern = entry.getKey(); + int count = entry.getValue(); + + int zerosCount = 0; + for (char c : pattern.toCharArray()) { + if (c == '0') { + zerosCount++; + } + } + + if (zerosCount <= K && (K - zerosCount) % 2 == 0) { + maxRows = Math.max(maxRows, count); + } + } + + System.out.println(maxRows); + } +} +```