定义结构体student,包括学号、姓名、年龄、3门课的成绩和总成绩,输入3名同学的信息,计算每个学生的总成绩并输出。 输入 3个学生的信息,每个学生信息各占一行。 输出 每个学生的学号及总成绩,学号与总成绩之间用空格间隔,每个成绩的输出各占一行。 样例输入 复制 2009001 赵岩 18 86 90 82 2009002 王洋 19 92 88 89 2009003 李玲 18 80 85 79 样例输出 复制 2009001 258 2009002 269 2009003 244
时间: 2024-04-21 12:28:55 浏览: 57
好的,请看以下代码实现:
```c++
#include <iostream>
#include <string>
#include <iomanip>
using namespace std;
struct student {
string id; // 学号
string name; // 姓名
int age; // 年龄
int grade[3]; // 3门课的成绩
int sum; // 总成绩
};
int main() {
student stu[3]; // 存放3个学生信息的结构体数组
// 输入3名学生信息
for (int i = 0; i < 3; i++) {
cin >> stu[i].id >> stu[i].name >> stu[i].age;
for (int j = 0; j < 3; j++) {
cin >> stu[i].grade[j];
stu[i].sum += stu[i].grade[j]; // 计算总成绩
}
}
// 输出每个学生的学号及总成绩
for (int i = 0; i < 3; i++) {
cout << stu[i].id << " " << stu[i].sum << endl;
}
// 输出每个学生的成绩
for (int i = 0; i < 3; i++) {
cout << stu[i].id << endl;
for (int j = 0; j < 3; j++) {
cout << setw(4) << stu[i].grade[j] << endl;
}
}
return 0;
}
```
注意:这里使用了 `setw()` 函数来控制输出每个成绩的宽度为4个字符,以便让输出更加整齐。
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