有以下程序:#includestdio.hmain(){ FILE*fp; int i,k=0,n=0; fp=fopen("d1.dat","wb+"); for(i=1;i4;i++) fprintf(fp,"%d",i); fclose(fp); fp=fopen("d1.dat","r");fseek(fp,1L,SEEK_SET); 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.230

有以下程序:#include<stdio.h>main(){ FILE*fp; int i,k=0,n=0; fp=fopen("d1.dat","wb+"); for(i=1;i<4;i++) fprintf(fp,"%d",i); fclose(fp); fp=fopen("d1.dat","r");fseek(fp,1L,SEEK_SET); 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.230


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有以下程序:includemain(){FILE *fp;int i,k=0,n=0;fp=fopen("d1.dat","w");for(i=1;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"); 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 23D.0 0

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

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

有以下程序:includemain(){FILE*fp;int a[10]={1,2,3},i,n;fp=fopen("d1.dat","w");fo 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.12300B.123C.1D.321

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,n); printf(“%d %d\n”,k,n); fclose(fp);} 执行后输出结果是( )A.1 2B.123 0C.1 23D.0 0

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;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 2B.123 0C.1 23D.0 0

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",); 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 50D.30 20

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