prog1.c

计算机等级考试 四级 机试总汇 历年真题

#include <stdio.h>
#include <string.h>
#include <conio.h>
#include <ctype.h>

char WORD[10][10] = {"a", "when", "an", "one", "not","if","the","in","are","all"} ;
char xx[50][80] ;
int maxline = 0 ;  /* 文章的总行数 */

int ReadDat(void) ;
void WriteDat(void) ;
int alphabetic(char ch)
{ if((ch>='a' && ch<='z') || (ch>='A' && ch<='Z')) return 1;
  else return 0;
}
void DelWord(void)
{   int i,j,k,m,flag;
  char ss[80],s0[20],zz[80];
  for(i=0;i<maxline;i++)
    {  j=0; m=0;zz[0]='\0';
       while(xx[i][j]) {
       if (alphabetic(xx[i][j]))
	   {ss[m]=xx[i][j];
	    s0[m]=xx[i][j];
	    if(ss[m]>='A' && ss[m]<='Z')
	       ss[m]=ss[m]-'A'+'a';
	    j++; m++;
	   }
	 else {ss[m]='\0';flag=1;s0[m]='\0';
            for(k=0;k<10;k++)
	       if(!strcmp(ss,WORD[k]))  {flag=0;break;}
	       if(flag) strcat(zz,s0);
	    j++;m=0;
	 }
       }/* while(xx[i][j]) end */
	ss[m]='\0';flag=1;s0[m]='\0';
	for(k=0;k<10;k++)
	  if(!strcmp(ss,WORD[k]))  {flag=0;break;}
	if(flag) strcat(zz,s0);
	strcpy(xx[i],zz);

       }/* for end */
}

void main()
{
  clrscr() ;
  if(ReadDat()) {
    printf("数据文件IN.dat不能打开!\n\007") ;
    return ;
  }
  DelWord() ;
  WriteDat() ;
}

int ReadDat(void)
{
  FILE *fp ;
  int i = 0 ;
  char *p ;

  if((fp = fopen("in.dat", "r")) == NULL) return 1 ;
  while(fgets(xx[i], 80, fp) != NULL) {
    p = strchr(xx[i], '\n') ;
    if(p) xx[i][p - xx[i]] = 0 ;
    i++ ;
  }
  maxline = i ;
  fclose(fp) ;
  return 0 ;
}

void WriteDat(void)
{
  FILE *fp ;
  int i ;

  fp = fopen("out.dat", "w") ;
  for(i = 0 ; i < maxline ; i++) {
    printf("%s\n", xx[i]) ;
    fprintf(fp, "%s\n", xx[i]) ;
  }
  fclose(fp) ;
}