NEERC/xtra/xtra_re.java

   1 /*
   2     Solution for NEERC'2008 Problem X: Xtrapolation
   3     (C) Roman Elizarov
   4     Note: this solution attempts to check correctness of the input
   5 */
   6
   7 import java.io.*;
   8 import java.util.*;
   9
  10 public class xtra_re {
  11         private static final int MAX_NUM = 1000000000;
  12         private static final int MAX_COUNT = 1000;
  13
  14         public static void main(String[] args) throws Exception {
  15                 new xtra_re().go();
  16         }
  17
  18         void go() throws Exception {
  19                 BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  20                 PrintStream out = System.out;
  21                 long sum = 0;
  22                 int count = 0;
  23                 while (true) {
  24                         int num = Integer.parseInt(in.readLine());
  25                         if (num == 0)
  26                                 break;
  27                         assert num > 0 && num <= MAX_NUM;
  28                         count++;
  29                         assert count <= MAX_COUNT;
  30                         sum += num;
  31                         out.println(sum);
  32                         out.flush();
  33                 }
  34         }
  35 }