c++ - 获得垃圾值

Question

这是我的代码示例。我正在获取最大高度的值。但我的最低高度是垃圾值。我做错了什么

#include <iostream>
#include <fstream>
#include <cstdlib>
#include <string>
#include <sstream>
using namespace std;

#define MAX 20

struct DATA
{
   int id;
   string name;
   float height;
}numarray[MAX];

int main()
{
    int num = 0;
    numarray[num].height = fstr3;// contains float values from a file

    float minimum, maximum;
    minimum = numarray[0].height;
    maximum = numarray[0].height;
    for(int i = 0; i < MAX; i++)
    {
        {
            if(numarray[i].height < minimum)
            {
                minimum = numarray[i].height;
            }
            else if(numarray[i].height > maximum)
            {
                maximum = numarray[i].height;
            }
        }
        cout<< minimum<< "    " << maximum<< endl;
        return 0;
    }
}

Answer 1

垃圾进，垃圾出。看起来您的输入例程(您没有发布)可能未正确填充数据。我会查看调试器中的输入数据(即使您选择的调试器是 printf())。