mindata2.cpp

来自「C++&datastructure书籍源码,以前外教提供现在与大家共享」· C++ 代码 · 共 33 行

#include <iostream>
using namespace std;

   // determine minimum of all numbers in input stream
   // illustrates fencepost problem: first item is minimum initialization

int main()
{
    int numNums = 0;                  // initially, no numbers
    int minimum;                      // smallest number entered
    int number;                       // user entered number
    
    if (cin >> number)                // read in first value
    {   minimum = number;             // to initialize minimum
        numNums++;
    }    
    while (cin >> number)             // read in any remaining values
    {   numNums++;
        if (number < minimum)
        {   minimum = number;
        }
    }
    if (numNums > 0)
    {   cout << "number of numbers = " << numNums << endl;
        cout << "minimal number is " << minimum << endl;
    }
    else
    {   cout << "no numbers entered, no minimum found" << endl;
    }
    return 0;
}