study 😢

rangken · rangken · commit c1ced16741f6 · 2014-10-07T11:02:56.000+09:00
diff --git a/Problem/find_except_number/sum.java b/Problem/find_except_number/sum.java
@@ -0,0 +1,16 @@
+import java.io.*;
+class Test3{
+  public static void main(String args[]){
+    int max = 100000000;
+    int sum = 0;
+    BufferedReader in = new BufferedReader(new FileReader("./sample.txt"));
+    String s;
+    while((s = in.readLine()) != null){
+      sum += Integer.parseInt(s);
+    }
+    int result = (max)*(max+1)/2-sum;
+    System.out.println(result);
+
+    in.close();
+  }
+}
