C++程序！！！C++!!!!!

利用int student[80]数组，存储80位学生的成绩，成绩利用rand（）函数生成，成绩分布区间为[50,100]。

1、int main()函数负责声明数组并计算平均分。

2、void arrayInit(int *p)函数负责利用rand()函数生成80位学生成绩。

3、void biggerAve(int *p, int ave)函数负责输出所有大于平均分的成绩并给出该成绩在student[]数组中的位置。

4、void searchOne(int *p)函数提供分数查询服务，让用户输入一个分数，输出所有成绩等于该分数在数组中的位置

// Q764042.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
#include <stdlib.h>
#include <time.h>

using namespace std;

#define N 80

void arrayInit(int* p);
void biggerAve(int* p, int ave);
void searchOne(int* p);

int main()
{
    int student[N];
    arrayInit(student);
    int sum = 0;
    for (int i = 0; i < N; i++)
        sum += student[i];
    int ave = sum / N;
    cout << "ave = " << ave << endl;
    biggerAve(student, ave);
    searchOne(student);
    return 0;
}

void searchOne(int* p)
{
    int f;
    cout << "what do you want to find:";
    cin >> f;
    for (int i = 0; i < N; i++)
        if (p[i] == f)
            cout << "NO" << i << " ";
    cout << endl;
}

void biggerAve(int* p, int ave)
{
    for (int i = 0; i < N; i++)
        if (p[i] > ave)
            cout << "NO" << i << ":" << p[i] << " ";
    cout << endl;
}

void arrayInit(int* p)
{
    srand((unsigned)time(NULL));
    for (int i = 0; i < N; i++)
        p[i] = 50 + rand() % 26 + rand() % 26;
}

#include <iostream>
#include <cmath>

using namespace std;

constexpr int StudentNumber = 80;

void arrayInit(int *p, int len) {
    for(int i = 0; i != len; ++i) {
        // 取模[0, 50] + 50 = [50, 100]
        p[i] = rand()%51 + 50;
    }
}

void biggerAve(int *p, int len, int ave) {
    cout << "Score bigger than " << ave << "\n";

    for(int i = 0; i != len; ++i) {
        if(p[i] > ave) {
            cout << p[i] << "\n";
        }
    }
}

void searchOne(int *p, int len, int wantedScore) {
    cout << "Score equal " << wantedScore << "\n";

    for(int i = 0; i != len; ++i) {
        if(p[i] == wantedScore) {
            cout << p[i] << "\n";
        }
    }
}

int main(int argc, const char * argv[]) {
    int student[StudentNumber];

    arrayInit(student, StudentNumber);

    biggerAve(student, StudentNumber, 80);
    searchOne(student, StudentNumber, 70);

    return 0;
}