评委打分练习
需求
:5名选手,10位评委打分,去掉最低分,最高分,然后显示平均分
- 一个选手类Person,存放name和score
- 使用
vector容器
来存放5名选手 - 使用
deque容器
来存放10名评委打的分数 - 这里评委打的分数就不输入了,使用随机数来代替
rand() % 41 + 60
代码如下:
//示例:评委打分
//5名选手,10位评委打分,去掉最低分,最高分,然后显示平均分
#include <iostream>
#include <vector>
#include <deque>
#include <algorithm>
#include <ctime>
using namespace std;
class Person //选手类
{
public:
string name;
int score;
Person(string n, int s) : name(n), score(s){}
};
void pushPer(vector<Person>& v)
{
string nameSeed = "ABCDE";
for (int i = 0; i < 5; i++)
{
string name = "选手";
name += nameSeed[i];
int score = 0;
Person p(name, score);
v.push_back(p);
}
}
int computeScore(deque<int>& d)
{
for (int i = 0; i < 10; i++)
{
int score = rand() % 41 + 60;
d.push_back(score);
}
//for (deque<int>::iterator dit = d.begin(); dit != d.end(); dit++)
//{
// cout << *dit << " ";
//}
//cout << endl;
sort(d.begin(), d.end());
d.pop_front();
d.pop_back();
int sum = 0;
for (deque<int>::iterator dit = d.begin(); dit != d.end(); dit++)
{
sum += *dit;
}
int average_score = sum / d.size();
return average_score;
}
int main()
{
srand((unsigned int)time(NULL));
vector<Person> v;
v.reserve(5);
pushPer(v);
//for (vector<Person>::iterator it = v.begin(); it != v.end(); it++)
//{
// cout << it->name << " " << it->score << endl;
//}
//评委打分:使用随机数来代替
for (vector<Person>::iterator vit = v.begin(); vit != v.end(); vit++)
{
deque<int> d;
int average_score = computeScore(d);
vit->score = average_score;
cout << vit->name << " " << vit->score << endl;
}
cout << endl;
return 0;
}
效果如下: