有以下程序 include main() { FILE*fp;int i,k=0,n=0; fp=fopen("d1.dat","w"); for(i 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;1<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 2B.123 0C.1 2 3D.1 23

有以下程序 include main() { FILE*fp;int i,k=0,n=0; fp=fopen("d1.dat","w"); for(i

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;1<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 2 3

D.1 23


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