题目内容
有以下程序
#include <stdio.h>
main()
{ FILE *fp; int a[10]={1,2,3},i,n;
fp=fopen("dl.dat","w");
for(i=0;i<3;i++) fprintf(fp,"%d",a[i]);
fprintf(fp,"\n");
fclose(fp);
fp=fopen("dl.dat","r");
fscanf(fp,"%d",&n);
fclose(fp);
printf("%d\n",n);
}
程序的运行结果是
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