[20250323] BOJ / G5 / 빗물 / 이강현

Author: lkhyun

lkhyun/202503/23 BOJ G5 빗물.md

@@ -0,0 +1,54 @@
+```java
+import java.util.*;
+import java.io.*;
+public class Main {
+    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+    static StringTokenizer st;
+    static int H = 0;
+    static int W = 0;
+    static int[] world;
+    static int answer = 0;
+    public static void main(String[] args) throws Exception {
+        st = new StringTokenizer(br.readLine());
+        H = Integer.parseInt(st.nextToken());
+        W = Integer.parseInt(st.nextToken());
+        world = new int[W];
+
+        st = new StringTokenizer(br.readLine());
+        for(int i=0;i<W;i++){
+            world[i] = Integer.parseInt(st.nextToken());
+        }
+
+        boolean flag = true;
+        while(flag){
+            flag = false;
+            for(int k=1;k<W-1;k++){
+                int left = 0;
+                for(int i=1;i<=k;i++) { //왼쪽 탐색
+                    if (world[k - i] > world[k]) {
+                        left = i;
+                        break;
+                    }
+                }
+                int right = 0;
+                for(int i=1;i<W-k;i++){ //오른쪽 탐색
+                    if (world[k + i] > world[k]) {
+                        right = i;
+                        break;
+                    }
+                }
+                if(left!=0 && right!=0){
+                    if(world[k]<H){
+                        world[k]++;
+                        flag = true;
+                        answer++;
+                    }
+                }
+            }
+        }
+        bw.write(answer+"");
+        bw.close();
+    }
+}
+```