有以下程序 #include <stdio.h> main() FILE
题型:单项选择题
问题:
有以下程序
#include <stdio.h>
main()
FILE *fp;int i,k=0,n=0;
fp=fopen("d1.dat","w");
for(i=1;i<4;i++)fprintf(fp,"%d",i);
fclose(fp);
fp=fopen("d1.dat","r");
fscanf(fp,"%d%d",&k,&n);printf("%d%d\n",k,n);
fclose(fp);
执行后输出结果是
A.1 2
B.123 0
C.1 23
D.0 0