企业建设电子商务网站,选择软件系统需要考虑的因素有()
A.Internet接入方式选择
B.开发平台的选择
C.操作系统的选择
D.数据库的选择
参考答案:B, C, D
This is the baby___tomorrow.[ ]
A. after who I shall look
B. whom I shall look after
C. whose I shall look after
D. after which I shall look
函数fun()的功能是:统计substr所指子字符串在str所指字符串中出现的次数。例如,若字符串为aaas 1kaaas,子字符串为as,则应输出2。 #include<stdio.h> int fun(char*str,char*substr) int i,j,k,num=0; /**********found**********/ for(i=0,str[i],i++) for(j=i,k=0;substr[k]==str[j];k++,j++) /**********found**********/ If(substr[k+1]==’\0’) num++; break; return num; main() char str[80],substr[80]; printf("Input a string:"); gets(str); printf("Input a substring:"); gets(substr); printf("%d\n",fun(str,substr));