【C++ Primer Plus习题】6.2

问题:

解答:

#include <iostream>
#include <array>
using namespace std;#define MAX 10int main()
{array<float, MAX> arr;float sum=0;float average=0;int i = 0;int count=0;int bigger = 0;for (i = 0; i < MAX; i++){cout << "请输入donation的值:" << endl;cin >> arr[i];if (cin.fail()){cout << "输入的非数字,结束输入!" << endl;break;}sum += arr[i];count++;}average = sum / count;for (int i = 0; i < count; i++){if (arr[i] > average){bigger++;}}cout << "这些数字的平均值为:" << average << endl;cout << "大于平均值的有" << bigger << "个" << endl;return 0;
}

运行结果:

考查点:

• if
• 计算

2024年8月27日20:05:05