[20250211] BOJ / 골드5 / 5549 / 설진영 #78

Author: Seol-JY

Seol-JY/202502/11 BOJ G5 행성 탐사.md

@@ -0,0 +1,54 @@
+```java
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.StringTokenizer;
+
+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 M = nextInt(st);
+        int N = nextInt(st);
+        int[][][] dp = new int[M+1][N+1][3];
+
+        int K = Integer.parseInt(br.readLine());
+
+        for (int i = 1; i < M + 1; i++) {
+            String input = br.readLine();
+            for (int j = 1; j < N + 1; j++) {
+                char target = input.charAt(j - 1);
+                // J O I
+                int idx = target == 'J' ? 0 : (target == 'O' ? 1 : 2);
+
+                dp[i][j][0] = dp[i-1][j][0] + dp[i][j-1][0] - dp[i-1][j-1][0];
+                dp[i][j][1] = dp[i-1][j][1] + dp[i][j-1][1] - dp[i-1][j-1][1];
+                dp[i][j][2] = dp[i-1][j][2] + dp[i][j-1][2] - dp[i-1][j-1][2];
+
+                dp[i][j][idx]++;
+            }
+        }
+        
+        for (int i = 0; i < K; i++) {
+            st = new StringTokenizer(br.readLine());
+
+            int x1 = nextInt(st);
+            int y1 = nextInt(st);
+            int x2 = nextInt(st);
+            int y2 = nextInt(st);
+
+            for(int j = 0; j < 3; j++) {
+                System.out.print(dp[x2][y2][j] - dp[x1-1][y2][j] - dp[x2][y1-1][j] + dp[x1-1][y1-1][j] + " "); 
+            }
+            System.out.println();
+        }
+
+
+    }
+    private static int nextInt(StringTokenizer st) {
+        return Integer.parseInt(st.nextToken());
+    }
+}
+```