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djs02027 · djs02027 · commit e69debf90fe8 · 2022-11-16T15:40:20.000+09:00
diff --git a/.idea/modules.xml b/.idea/modules.xml
diff --git a/BOJ/silver/BOJ16926/BOJ16926.iml b/BOJ/silver/BOJ16926/BOJ16926.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
diff --git a/BOJ/silver/BOJ16926/src/Main.java b/BOJ/silver/BOJ16926/src/Main.java
@@ -0,0 +1,73 @@
+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 = Integer.parseInt(st.nextToken());
+        int n = Integer.parseInt(st.nextToken());
+        int r = Integer.parseInt(st.nextToken());
+        int[][] table = new int[m][n];
+        for (int i = 0; i < m; i++) {
+            st = new StringTokenizer(br.readLine());
+            int j = 0;
+            while (st.hasMoreTokens()) {
+                table[i][j] = Integer.parseInt(st.nextToken());
+                j++;
+            }
+        }
+        int rotation_cnt = Math.min(m, n) / 2;
+
+        for (int i = 0; i < r; i++) {
+
+            rotaion(m,n,rotation_cnt,table);
+        }
+        StringBuilder sb =new StringBuilder();
+
+        for (int i = 0; i < table.length; i++) {
+            for (int j = 0; j < table[i].length; j++) {
+                sb.append(table[i][j]).append(" ");
+            }
+            if(i<table.length-1){
+                sb.append('\n');
+            }
+
+        }
+        System.out.println(sb);
+
+
+    }
+    private static void rotaion(int m, int n, int rotation_cnt, int[][] table){
+        for (int i = 0; i < rotation_cnt; i++) {
+            int start_col=i;
+            int start_row=i;
+            int end_col=m-1-i;
+            int end_row=n-1-i;
+            
+            int start = table[start_col][start_row];
+            //위쪽
+            for (int j = i; j <end_row ; j++) {
+                table[start_col][j]=table[start_col][j+1];
+                
+            }
+            //오른쪽
+            for (int j = i; j <end_col ; j++) {
+                table[j][end_row]=table[j+1][end_row];
+            }
+            //아랫쪽
+            for (int j = end_row; j >start_row ; j--) {
+                table[end_col][j]=table[end_col][j-1];
+            }
+            //왼쪽
+            for (int j = end_col; j >start_col ; j--) {
+                table[j][start_row]=table[j-1][start_row];
+            }
+            table[start_col+1][start_row]=start;
+            
+        }
+    }
+}
