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有下列程序: #include<stdi0.h> voidmain( ) { FILE*fp;inta[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=open("dl.dat","r") fscanf(fp,"%d",&n); fclose(fp); printf(”%d\n”,n); } 程序的运行结果是( )。

A.12300

B.123

C.1

D.321


参考答案

更多 “ 有下列程序: #includestdi0.h voidmain( ) { FILE*fp;inta[10]={1,2,3},i,n; fp=fopen("dl.dat","w"); for(i=0;i3;i++)fprintf(fp,"%d",a[i]); fprintf(fp,”\n”); fclose(fp); fp=open("dl.dat","r") fscanf(fp,"%d",&n); fclose(fp); printf(”%d\n”,n); } 程序的运行结果是( )。A.12300B.123C.1D.321 ” 相关考题
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