有以下程序 #include<stdio.h> main() { FILE *fp;int k,n,a[6]={1,2,3,4,5,6}; fp=fopen("d2.dat","w"); fprintf(fp,"%d%d%d/n",a[0],a[1],a[2]);fprintf(fp,"%d%d%d/n",a[3],a[4],a[5]); fclose(fp); fp=fopen("d2.daf","r"); fscanf(fp,"%d%d",&k,&n);printf("%d%d/n",k,n); fclose(fp); } 程序运行后的输出结果是
A.1 2
B.1 4
C.123 4
D.123 456
[单选题]有以下程序 include main() { FILE *fp;int k,n,a[6]={1,2,3,4,5,6}; f有以下程序 #include<stdio.h> main() { FILE *fp;int k,n,a[6]={1,2,3,4,5,6}; fp=fopen("d2.dat","w"); fprintf(fp,"%d%d%d/n",a[0],a[1],a[2]);fprintf(fp,"%d%d%d/n",a[3],a[4],a[5]); fclose(fp)
[单选题]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(f
[单选题]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;i<4;i++) fprintf(fp,"%d",i); fclose(fp); fp=fopen("d1.dat","r"); fsc
[单选题]有以下程序 include main( ) { FILE *fp; int i,k=0,n=0; fp=fopen(“d1.dat”,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,&
[单选题]有以下程序: include main( ) { FILE *fp; int i=20,j=50,k,n; fp=fopen("d1.da有以下程序: #include<stdi0.h> main( ) { FILE *fp; int i=20,j=50,k,n; fp=fopen("d1.dat","W"); fprintf(fp,"%d/n",i);fprintf(fp,"%d/n",j); fclose(fp); fp=fopen("d1.dat","r",);
[单选题]有以下程序: include main() {FILE *fp; int i,k,n; fp=fopen("data有以下程序: #include <stdio.h> main() {FILE *fp; int i,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"
[单选题]有以下程序 include main() { FILE *fp;int i,a[6]={1,2,3,4,5,6}; fp=有以下程序 #include<stdio.h> main() { FILE *fp;int i,a[6]={1,2,3,4,5,6}; fp=fopen("d3.dat","w+b"); fwrite(a.sizeof(int),6,fp); fseek(fp,sizeof(int)*3,SEEK_SET):/*该语句使读文件的位置指针从文件头向后移动3个int型数据
[单选题]有以下程序#includemain( ){ FILE *fp;int i=20,j=30,k,n;fp=fopen("d1.dat","w");fprintf(fp,"%d/n",i);fprintf(fp,"%d/n",j);fclose(fp);fp=fopen("d1.dat","r");fscanf(fp,"%d%d",&k,&n);printf("%d%d/n",k,n);fclose(fp);}程序运行后的输出结果是A.20 30B.20 50C.30
[单选题]有以下程序 include main( ) { FILE *fp;int i,a[6]={1,2,3,4,5,6}; fp=fopen("d3.da有以下程序#include <stdio.h>main( ){ FILE *fp;int i,a[6]={1,2,3,4,5,6};fp=fopen("d3.dat","w+b");fwrite(a,sizeof(int),6,fp);fseek(fp,sizeof(int)*3,SEEK_SET);/*该语句使读文件的位置指针从文件头向
[单选题]有以下程序 include main() { FILE *fp;int i,a[6]={1,2,3,4,5,6}; fp=有以下程序 #include<stdio.h> main() { FILE *fp;int i,a[6]={1,2,3,4,5,6}; fp=fopen("d3.dat","w+b"); fwrite(a.sizeof(int),6,fp); fseek(fp,sizeof(int)*3,SEEK_SET):/*该语句使读文件的位置指针从文件头向后移动3个int型数据