数组函数中的最小和最大数字显示除Max和Min之外的任何内容

时间:2014-03-09 20:31:06

标签: c++ codeblocks

这是我的代码

#include <iostream>
#include <cstdlib>
#include <ctime>


using namespace std;

void buildArray(int arr[], int size) {

        srand(time(NULL));
        for (int i = 0; i < size; ++i) {
            arr[i] = rand() % 100 + 1;
        }

}

void showArray(int arr[], int size) {
    for (int i = 0; i < size; ++i) {
        cout << i << arr[i] << " ";
    }

}

void curveArray(int arr[], int size, int curve) {
    for (int i = 0; i < size; ++i) {
        arr[i] += curve;
    }

}

int maxNum(int arr[], int size) {

int maxnum = arr[0];
int position = 0;

for (int i =1; i < size; ++i) {
    if (arr[i] > maxnum ) {
        maxnum = arr[i];
        position = i;
    }
}
  return position;
}

int minNum(int arr[], int size) {

int minnum = arr[0];
int position = 0;

for (int i =1; i < size; ++i) {
    if (arr[i] < minnum) {
        minnum = arr[i];
        position = i;
    }
}
    return position;
}



int main()
{
    const int size = 10;
    int arrayx[size];
    buildArray(arrayx, size);
    showArray(arrayx, size);
    //curveArray(arrayx, size, 5);
    //showArray(arrayx, size);

    int maxVal = maxNum(arrayx, size);
    cout << endl << endl << maxVal;
    int minVal = minNum(arrayx, size);
    cout << endl << endl << minVal;


    return 0;
}

每当我尝试运行此代码时,它会生成一个随机数组(正如它所说的那样),但是当我使用这些函数获取最大值和最小值时,它会生成随机数,所以这是我运行时的输出

http://imageshack.com/a/img27/725/4jv9.png

这是来自C ++练习视频,但它与导师合作,但不适合我,它几乎是相同的代码!

2 个答案:

答案 0 :(得分:1)

您的代码返回最小值和最大值的位置。要使用值

int maxVal = arrayx[maxNum(arrayx, size)];
cout << endl << endl << maxVal;
int minVal = arrayx[minNum(arrayx, size)];
cout << endl << endl << minVal;

您的showArray也不正确。将其更改为

void showArray(int arr[], int size) {
    for (int i = 0; i < size; ++i) {
        cout << arr[i] << " ";
    }
}

答案 1 :(得分:1)

您要从函数返回MaxMin值的位置,而不是实际的maxmin值。它应该是

return arr[position];

而不是

return position;