I'd like to apply for a library card.()A. Are you a student?B. With pleasureC. Fill out the application form. first, please.
I'd like to apply for a library card.()
A. Are you a student?
B. With pleasure
C. Fill out the application form. first, please.
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c＋＋,运行下面代码出错 #include iostreamusing namespace std;struct student_info{ string name; int chinese; int math; int english;};student_info student[5];void inputinfo(){ int i = 0; char a[20]; for(i = 0;i 5;i++) { cout"enter the "i+1" student's information "endl; cout"enter the name"endl; cina; student[i].name = a; cout"enter chinese performance :"endl; cinstudent[i].chinese; cout"enter math performance :"endl; cinstudent[i].math; cout"enter english performance :"endl; cinstudent[i].english; }}void outputinfo(){ int i = 0; while(i 5) { couti+1" student's information"endl; coutstudent[i].name.c_str()endl; cout"chinese "endl; coutstudent[i].chineseendl; cout"math "endl; coutstudent[i].mathendl; cout"english "endl; coutstudent[i].englishendl; i++; }}int avgfunction(int arr[],int n){ int i = 0; int total = 0; for(i = 0;i n;i++) { total += arr[i]; } return total / n;}void computavg() //这里是否正确？{ int theavg = 0; theavg = avgfunction(student[i].chinese,5); }int main(){ inputinfo(); outputinfo(); computavg(); cin.get(); return 0;} 帮我找出错误 然后改过来 择优为满意答案 不分先后
– David, you've been losing your temper over nothing lately.– ( ).A. I haven’t been getting much sleep eitherB. You’d better not push yourself too hard, or you’ll get sickC. I’m sorry. I shouldn’t have blown up like thatD. You’d better do exercises regularly
设有以下结构类型，并且结构数组student中的元素都已有值，若要将这些元素写到硬盘文件fp中，以下形式错误的是 struct st { char name[8]; int num; float s[4]; } student[50];A．fwrite(student, 25 * sizeof(struct st), 2, fp);B．fwrite(student, sizeof(struct st), 50, fp);C．fwrite(student, 50 * sizeof(struct st), 1, fp);D．for (i = 0; i ＜ 50; i++) fwrite(student, sizeof(struct st), 1, fp);
设有以下结构类型，并且结构数组student中的元素都已有值，若要将这些元素写到硬盘文件fp中，以下形式错误的是 struct st { char name[8]; int num; float s[4]; } student[50];A．fwrite(student, 25 * sizeof(struct st), 1, fp);B．fwrite(student, sizeof(struct st), 50, fp);C．fwrite(student, 50 * sizeof(struct st), 1, fp);D．for (i = 0; i ＜ 50; i++) fwrite(student, sizeof(struct st), 1, fp);
''' 以如下格式逐个输出字符串中的字符 a b c d ''' str = 'abcd' i = 0 ######FILL###### while i ＜ ___: print（str[i]) ######FILL###### ____
设有以下结构类型，并且结构数组student中的元素都已有值，若要将这些元素写到硬盘文件fp中，以下形式错误的是 struct st { char name[8]; int num; float s[4]; } student[50];A．fwrite(student, 25 * sizeof(struct st), 2, fp);B．fwrite(student, sizeof(struct st), 50, fp);C．fwrite(student, 50 * sizeof(struct st), 1, fp);D．for (i = 0; i 50; i++) fwrite(student, sizeof(struct st), 1, fp);
要查询student表中name字段值以字符“m”开始，以字符“d”结束的记录应该在WHERE子句后跟 LIKE________。