// This code written by B.Tserenchimed
// Source name: "spoj.h"

#ifndef _SPOJ_H_
#define _SPOJ_H_
#include<stdio.h>
#include<stdlib.h>
FILE *spoj_p_in,*spoj_p_out,*spoj_t_out,*spoj_score,*spoj_t_src;
void spoj_init(){
/*
    in.txt    :correct input file
    out.txt    :correct output file
    result.txt:output of the program file
    score.txt :score board file
    problem.cpp:source file
*/
  spoj_p_in=fopen("in.txt","r");
  spoj_p_out=fopen("out.txt","r");
  spoj_t_out=fopen("result.txt","r");
  spoj_score=fopen("score.txt","w");
  spoj_t_src=fopen("problem.cpp","r");
  if (!spoj_p_in){
    fprintf(stderr,"error: can not open in.txt file\n");
    exit(0);
  }
  if (!spoj_p_out){
    fprintf(stderr,"error: can not open out.txt file\n");
    exit(0);
  }
  if (!spoj_t_out){
    fprintf(stderr,"error: can not open result.txt file\n");
    exit(0);
  }
  if (!spoj_score){
    fprintf(stderr,"error: can not open score.txt file\n");
    exit(0);
  }
  if (!spoj_t_src){
    fprintf(stderr,"error: can not open problem.cpp file\n");
    exit(0);
  }
}
/*
  this function is defined for the test of judgement program
*/
void spoj_final(){
  fclose(spoj_p_in);
  fclose(spoj_p_out);
  fclose(spoj_t_out);
  fclose(spoj_score);
  fclose(spoj_t_src);
}
#endif