有以下程序 #include <stdio.h> main() {FILE *fp; int a[10]={1,2,3},i,n; fp=fopen("d1.daf","w"); for(i=0;i<3;i++) fprintf(fp,"%d",a[i]); fprintf(fp,"\n"); fclose(fp); fp=fopen("d1.dat","r"); fscanf(fp,"%d",&n); fclose(fp);
A.12300
B.123
C.1
D.321
第1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); { 执行后的输出结果是( )。
A.1 2
B.123 0
C.1 23
D.0 0
第2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
第3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
第4题:
有以下程序: #include<stdio.h> main() {FILE*fp;int a[10]={1,2,3},i,n; fp=fopen("d1.dat","w"); for(i=0;i<3;i++)fprintf(fp,"%d",a[i]); fprintf(fp,"\n"); fclose(fp); fp=fopen("d1.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
第5题:
有以下程序 #include <stdio.h> main() { FILE *fp; int a[10]={1,2,3},i,n; fp=fopen("d1.dat","w"); for(i=0;i<3;i++) fprintf(fp,"%d",a[i]); fprintf(fp,"\n"); fclose(fp); fp=fopen ("d1.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