对两个数组a与b初始化后,描述正确语句是( )。char a[ ]=“how?” ; char b[ ]={‘h’,‘o’,‘w’,’?’}
A. a与b数组完全相同
B. a与b长度相同
C. a数组比b数组长度长
D. a与b定义均是语法错误
以下程序的运行结果是()。void fun(int a, int (B){ int t;t=a;a=b;b=t;}main(){ int c[10]={1,2,3,4,5,6,7,8,9,0},i;for(i=0;i<10;i+=2) fun(c[i],c[i+1]);for(i=0;i<10;i++) printf("%d,",c[i]);printf("\n");}
A. 1,2,3,4,5,6,7,8,9,0,
B. 2,1,4,3,6,5,8,7,0,9,
C. 0,9,8,7,6,5,4,3,2,1,
D. 0,1,2,3,4,5,6,7,8,9,
以下程序的运行结果是()。main(){ char str1[10]= "bei",str2[10]="jing";char str3[10]= "shang",str4[10]="hai";strcpy(str1,str2);strcpy(&str3[1],&str4[1]);printf("%s,%s\n",str1,str3); }
A. beijing, hangai
B. jingbei, shanghai
C. beijing, shanghai
D. jing,sai
以下程序的运行结果是()。main(){ char p[20]={'a','b','c','d'},q[]="abc", r[]="abcde";strcat(p,r); strcpy(p+strlen(q),q);printf("%d \n",sizeof(p)); }
A. 9
B. 6
C. 20
D. 7