服务水平
第1题
有以下程序
#include<stdio.h>
main()
{
FILE *fp; it a[10]={1,2,3,0,0};
fp=fopen(“d2.dat”,”wb”);
fwrite(a,sizeof(int),5,fp);
fwrite(a,sizeof(int),5,fp);
fclose(fp);
fp=fopen(“d2.dat”,”rb”);
fread(a,sizeof(int),10,fp);
for(i=0;i<10;i++) printf(“%d”,
A.;
}
程序运行结果是()。
第2题
以下程序的运行结果是______。 include <stdio.h> main() { FILE *fp;int a[10]={1,2,3,0,0},i; fp=fopen("d2.dat","wb"); fwtite(a,sizeof(int) ,5,fp); fwrite(a,sizeof(int) ,5,fp); fclose(fp); fp=fopen("d2.dat","rb"); fread(a,sizeof(int) ,10,fp); fclose(fp); for(i=0;i<10;i++)printf("%d",a[i]); }
第3题
以下程序的运行结果是【 】。 include <stdio.h> main() { FILE *fp; int a[10]={1,2,3,0,0},i; fp=fopen("d2.dat","wb"); fwtite(a,sizeof(int),5,fp); fwrite(a,sizeof(int),5,fp); fclose(fp); fp=fopen("d2.dat","rb"); fread(a,sizeof(int),10,fp); fclose(fp); for(i=0;i<10;i++)printf("%d",a[i]); }
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
有下列程序: include<stdio.h> main() {FILE*fp;inta[10]={1,2,3,0,0},i; fp=fopen(d2.dat,wb); fwtite(a,sizeof(int),5,fp); fwrite(a,sizeof(int),5,fp); fclose(fp); fp=fopen(d2.dat,rb); fread(a,sizeof(int),10,fp); fclose(fp); for(i=0;i<10;i++)printf(%d,a[i]); } 程序的运行结果是
A.1,2,3,1,2,3,0,0,0,0,
B.1,2,3,0,0,1,2,3,0,0,
C.123,0,0,0,0,123,0,0,0,0,
D.1,2,3,0,0,0,0,0,0,0
第6题
A.1,2,3,0,0,0,0,0,0,0,
B.1,2,3,1,2,3,0,0,0,0,
C.123,0,0,0,0,123,0,0,0,0,
D.1,2,3,0,0,1,2,3,0,0,
第7题
A.1,2,3,0,0,0,0,0,0,0,
B.1,2,3,1,2,3,0,0,0,0,
C.123,0,0,0,0,123,0,0,0,0,
D.1,2,3,0,0,1,2,3,0,0,
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