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#include <iostream>

double lowest(size_t n)
{
    double* pMark = new double[n];
    double min = -1;
    for (int i = 0; i < n; i++)
    {
        cin >> pMark[i];// or cin>>*(pMark+i);
        if (i == 0)
            min = *pMark;
        min = pMark[i] < min ? pMark[i] : min;
    }
    delete[] pMark;
    pMark = NULL;
    return min;
}

int main()
{
    cout<<lowest(4);
    return 0;
}

[此贴子已经被作者于2017-4-12 17:58编辑过]

#include <iostream>

double lowest(size_t n)
{
    double* pMark = new double[n];
    double min = -1;
    for (int i = 0; i < n; i++)
    {
        cin >> pMark[i];// or cin>>*(pMark+i);
        if (i == 0)
            min = *pMark;
        min = pMark[i] < min ? pMark[i] : min;
    }
    delete[] pMark;
    pMark = NULL;
    return min;
}

int main()
{
    cout<<lowest(4);
    return 0;
}

贴代码比图好