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题目内容 (请给出正确答案)
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 2

B.123 0

C.1 23

D.0 0


参考答案

更多 “ 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 ” 相关考题
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考题 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(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

考题 有以下程序:includemain(){FILE *fp;int i,a[6]={1,2,3,4,5,6};fp=fopen("d2.dat","w" 有以下程序: #include<stdio.h> main() {FILE *fp;int i,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.dat","r"); fscanf(fp,"%d%d\n",k,A.1 2B.1 4C.123 4D.123 456

考题 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"); 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

考题 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",); 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

考题 有以下程序:include main(){FLLE *fp;int i=20,j=30,k,n;fp=fopen("d1.dat""w");fprin 有以下程序: #include <stdio.h> main() {FLLE *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.dar","r"); fp=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

考题 单选题有以下程序:#include main(){ FILE *fp; int a[10]={1,2,3},i,n; fp=fopen(d1.dat,w); for(i=0;i3;i++) fprintf(fp,%d,a[i]); fprintf(fp,); fclose(fp); fp=fopen(d1.dat,r); fscanf(fp,%d,n); fclose(fp); printf(%d,n);}程序的运行结果是(  )。A 12300B 123C 1D 321

考题 单选题有以下程序:#include main(){ FILE *fp; int k,n,i,a[6]={1,2,3,4,5,6}; fp=fopen(d2.dat,w); for(i=0;i6;i++) fprintf(fp,%d,a[i]); fclose(fp); fp=fopen(d2.dat,r); for(i=0;i3;i++) fscanf(fp,%d%d,k,n); fclose(fp); printf(%d,%d,k,n);}程序运行后的输出结果是(  )。A 1,2B 3,4C 5,6D 123,456

考题 单选题有以下程序:#include main(){ FILE *fp; int i,a[6]={1,2,3,4,5,6},k; fp=fopen(data.dat,w+b); fwrite(a[0],sizeof(int),1,fp); for(i = 1;i 6;i++) {  fseek(fp,0L,0);  fread(k,sizeof(int),1,fp);  fseek(fp,0L,0);  a[i]+=k;  fwrite(a[i],sizeof(int),1,fp); } rewind(fp); fread(k,sizeof(int),1,fp); fclose(fp); printf(%d,k);}程序的运行结果是(  )。A 21B 6C 123456D 11