사탕박사 고창석

pr/사탕박사 고창석/Main.java

@@ -0,0 +1,63 @@
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    public static void main(String[] args) {
+        new Main().run();
+    }
+    public void run() {
+        FastReader fr = new FastReader();
+        if (!fr.hasMoreTokens()) return;
+        int T = Integer.parseInt(fr.next());
+        while (T-- > 0) {
+            int r = Integer.parseInt(fr.next());
+            int c = Integer.parseInt(fr.next());
+            char[][] grid = new char[r][c];
+            for (int i = 0; i < r; i++) {
+                grid[i] = fr.next().toCharArray();
+            }
+            System.out.println(solve(r, c, grid));
+        }
+    }
+    /**
+     * 문제 해결 메서드
+     * 
+     * @param r    행의 수
+     * @param c    열의 수
+     * @param grid 사탕 박스 데이터 (2차원 문자 배열)
+     * @return 발견된 사탕의 수
+     */
+    public int solve(int r, int c, char[][] grid) {
+        int count = 0;
+
+        // 46은 . 111 o 60 < 62 > 94 ^ 118 v
+        for (int i = 0; i < r; i++) {
+            for (int j = 0; j < c - 2; j++) {
+                if (grid[i][j] == '>' && grid[i][j + 1] == 'o' && grid[i][j + 2] == '<') {
+                    count++;
+                }
+
+            }
+        }
+
+        for (int i = 0; i < r - 2; i++) {
+            for (int j = 0; j < c; j++) {
+                if (grid[i][j] == 'v' && grid[i + 1][j] == 'o' && grid[i + 2][j] == '^') {
+                    count++;
+                }
+
+            }
+        }
+
+        return count;
+    }
+
+    static class FastReader {
+        BufferedReader br; StringTokenizer st;
+        public FastReader() { br = new BufferedReader(new InputStreamReader(System.in)); }
+        public String next() { while (st == null || !st.hasMoreElements()) { try { st = new StringTokenizer(br.readLine()); } catch (IOException e) { } } return st.nextToken(); }
+        public int nextInt() { return Integer.parseInt(next()); }
+        public long nextLong() { return Long.parseLong(next()); }
+        public boolean hasMoreTokens() { while (st == null || !st.hasMoreElements()) { String line = null; try { line = br.readLine(); } catch (IOException e) { } if (line == null) return false; st = new StringTokenizer(line); } return true; }
+    }
+}