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] = {"you", "for", "your", "on", "no","if","the","in","to","all"} ;
char xx[50][80] ;
int yy[10] ;
int maxline = 0 ;  /* 文章的总行数 */

int alphabetic(char ch)
{ if((ch>='a' && ch<='z') || (ch>='A' && ch<='Z')) return 1;
  else return 0;
}

int ReadDat(void) ;
void WriteDat(void) ;

void ComWord(void)
{   int i,j,k,m;
  char ss[80];
  for(i=0;i<maxline;i++)
    {  j=0; m=0;
       while(xx[i][j]) {
       if (alphabetic(xx[i][j]))
	   {ss[m]=xx[i][j];
	    if(ss[m]>='A' && ss[m]<='Z')
	       ss[m]=ss[m]-'A'+'a';
	    j++; m++;
	   }
	 else {ss[m]='\0';
            for(k=0;k<10;k++)
	  if(!strcmp(ss,WORD[k]))  {yy[k]++;break;}//直接用strcmp函数
	  j++;  m=0;

	     }
       }
       ss[m]='\0';
       for(k=0;k<10;k++)
	 if(!strcmp(ss,WORD[k]))  {yy[k]++;break;}

       }
}

void main()
{
  int i ;

  clrscr() ;

  if(ReadDat()) {
    printf("数据文件IN.dat不能打开!\n\007") ;
    return ;

  }
   for(i = 0 ; i < maxline ; i++) yy[i] = 0 ;
  ComWord() ;
  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 < 10 ; i++) {
    printf("%s=%d\n", strupr(WORD[i]), yy[i]) ;
    fprintf(fp, "%d\n", yy[i]) ;
  }
  fclose(fp) ;
}