编号及代码: /* *Copyright (c)2014,计算机与控制工程学院 *All rights reserved *作者:范星月 *完成日期:2014年12月23日 *版本号:v1.0 * *问题输入:在main 函数中已经对结构体进行了初始化,完成相关函数的定义,实现main 函数中的要求的功能 *问题输入:无 *问题输出:输出成绩 */ #include <iostream> #include <cstring> using namespace std; struct Student { char num[13];//尽管都是有数字构成,但看做字符更合适,学号12位,定义13位,便于处理成字符串 char name[10];//每个汉字占两个字节,10个字节足够用啦 int cpp; int math ; int english; int grade; double average; }; void calculate(Student s[],int n); //计算总分和均分,数据在s数组中,共有n个元素 void sort1(Student [],int); //按总分降序排序 void sort2(Student [],int); //按学号升序排序 void output(Student [],int); //输出成绩单 void outputExcellent(Student [],int); //输出优秀者:总分超285,单科不低于90 int main() { Student stu[]= {{"201152501104","Tom",65,69 ,68 }, {"201152501114","Jeery",94 ,89 ,63 }, {"201152501138","Speike",67 ,62 ,84 }, {"201152501204","Tyke",100 ,95 ,91 }, {"201152501202","Tuffy",59 ,80 ,55 }, {"201152501115","Butch",100 ,99 ,89 }, {"201152501201","Lightning",95 ,92 ,99 }, {"201152501145","Topsy",88 ,56 ,67 }, {"201152501203","Droopy",62 ,62 ,95 }, {"201152501140","Drupa",80 ,60 ,86 }, {"201152501205","Buzz",73 ,90 ,94} }; int stuNum=sizeof(stu)/sizeof(stu[0]); //用sizeof运算确定数组中元素个数 //计算总分和均分后输出 calculate(stu,stuNum); cout<<"下面是成绩单:"<<endl; output(stu,stuNum); cout<<"优秀者名单:"<<endl; outputExcellent(stu,stuNum); //按总分降序排序后输出 sort1(stu,stuNum); cout<<"按总分降序排序后:"<<endl; output(stu,stuNum); //按学号升序排序后输出 sort2(stu,stuNum); cout<<"按学号升序排序后:"<<endl; output(stu,stuNum); return 0; } void calculate (Student s[],int n ) { for (int i=0; i<n; i++) { s[i].grade=s[i].cpp+s[i].math+s[i].english; s[i].average=s[i].grade/3.0; } } void sort1(Student s[],int n)//按总分降序后输出 { Student t; for (int j=0; j<n-1; j++) for (int i=0; i<n-1-j; i++) if (s[i].grade<s[i+1].grade) { t=s[i]; s[i]=s[i+1]; s[i+1]=t ; } } void sort2(Student s[],int n ) { Student t; for (int j=0; j<n-1; j++) for (int i=0; i<n-j-1; i++) if (strcmp (s[i].num,s[i+1].num)>0) { t=s[i]; s[i]=s[i+1]; s[i+1]=t; } } void output (Student s[],int n ) { int i; for (i=0; i<n; i++) { cout <<s[i].name<<" "<<s[i].num<<" "<<s[i].cpp<<" "<<s[i].math<<" "<<s[i].english<<" "<<s[i].grade<<" "; cout <<s[i].average<<endl; } cout <<endl; } void outputExcellent(Student s[],int n) { for (int i=0; i<n; i++) { if (s[i].grade>285&&s[i].cpp>90&&s[i].math>90&&s[i].english>90) { cout <<s[i].num<<" "<<s[i].name<<" "<<s[i].cpp<<" "; cout <<s[i].math<<" "<<s[i].english<<" "<<s[i].grade<<" "<<s[i].average<<endl; } } cout <<endl; }
运行结果: