CT_359

BOJ/Java/src/S4/Boj_28086_미소녀컴퓨터파루빗토쨩.java

@@ -0,0 +1,50 @@
+package S4;
+
+import java.io.*;
+
+public class Boj_28086_미소녀컴퓨터파루빗토쨩 {
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+
+        StringBuilder num1 = new StringBuilder();
+        StringBuilder num2 = new StringBuilder();
+
+        char[] chars = br.readLine().toCharArray();
+        num1.append(chars[0]);
+
+        char order = '0';
+        int idx = 1;
+
+        while (idx < chars.length) {
+            if (chars[idx] == '+'
+                    || chars[idx] == '-'
+                    || chars[idx] == '*'
+                    || chars[idx] == '/') {
+                order = chars[idx++];
+                break;
+            }
+            num1.append(chars[idx++]);
+        }
+
+        while (idx < chars.length) {
+            num2.append(chars[idx++]);
+        }
+
+        long n1 = Long.parseLong(num1.toString(), 8);
+        long n2 = Long.parseLong(num2.toString(), 8);
+
+        if (order == '+') {
+            bw.write(Long.toString(n1 + n2, 8));
+        } else if (order == '-') {
+            bw.write(Long.toString(n1 - n2, 8));
+        } else if (order == '*') {
+            bw.write(Long.toString(n1 * n2, 8));
+        } else {
+            bw.write(n2 == 0 ? "invalid"
+                    : Long.toString((long) Math.floor((double) n1 / (double) n2), 8));
+        }
+
+        bw.flush();
+    }
+}