食品安全宣传简报:一道简单的c语言文件题

来源:百度文库 编辑:神马品牌网 时间:2024/04/29 10:27:07
#include
?? main()
?? { FILE *fp; int i, k, n;
?? fp=fopen("data.dat", "w+");
?? for(i=1; i<6; i++)
?? { fprintf(fp,"%d ",i);
?? if(i%3==0) fprintf(fp,"\n");
?? }
?? rewind(fp);
?? fscanf(fp, "%d%d", &k, &n); printf("%d %d\n", k, n);
?? fclose(fp);
?? }

#include <stdio.h>
void main()
{ FILE *fp; int i, k, n;
fp=fopen("data.dat", "w+");
for(i=1; i<6; i++)
{ fprintf(fp,"%d ",i);
if(i%3==0) fprintf(fp,"\n");
}
rewind(fp);
fscanf(fp, "%d%d", &k, &n); printf("%d %d\n", k, n);
fclose(fp);
}
你的程序我没怎么改,运行了,成功了.