50)有以下程序
#include
main()
{FILE*fp;inti,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",%26k,%26n);printf("%d%d\n",k,n);
fclose(fp);
}
程序运
行后的输出结果是
(A)00
(B)12345
(C)14
(D)12