Merge pull request #9 from AlgoLeadMe/3-g0rnn

3-g0rnn

g0rnn/문자열/3-g0rnn.java

@@ -0,0 +1,27 @@
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        String expression;
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        expression = br.readLine();
+
+        int sum = Integer.MAX_VALUE;
+        String[] splitNumbersByMinus = expression.split("-");
+
+        for (int i = 0; i < splitNumbersByMinus.length; i++) {
+            String[] parts = splitNumbersByMinus[i].split("\\+");
+            int partSum = 0;
+
+            for (int j = 0; j < parts.length; j++)
+                partSum += Integer.parseInt(parts[j]);
+
+            if(sum == Integer.MAX_VALUE) sum = partSum;
+            else sum -= partSum;
+        }
+
+        System.out.println(sum);
+    }
+}