dres.cpp

用经典算法--模拟退火算法求解经典问题旅行商（Travel Sales Problem）问题。

#include "stdio.h"

void main(int argc, char * argv[]) {
  char line[80], line2[80];
  int ogn, obf, obs, oaf, odr;
  int gn, bf, bs, af, dr;
  FILE * f = fopen(argv[1], "rt"),
       * f2 = fopen(argv[2], "wt");
  while (!feof(f)) {
    fgets(line, 80, f);
    ogn=gn; obf=bf; obs=bs; oaf=af; odr=dr;
    sscanf(line, "%d %d", &gn, &bf);
    if (bf != obf) {
      sprintf(line2, "%d %d\n", ogn, obf);
      fputs(line2, f2);
    }
  }
  fcloseall();
}