C++ Tutorial/Data Types/float read — различия между версиями

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Текущая версия на 13:31, 25 мая 2010

Read float number from console

<source lang="cpp">#include <iostream>

float Convert(float);

int main()
{
    float TempFer;
    float TempCel;

    std::cout << "Please enter the temperature in Fahrenheit: ";
    std::cin >> TempFer;
    TempCel = Convert(TempFer);
    std::cout << "\nHere"s the temperature in Celsius: ";
    std::cout << TempCel << std::endl;
    return 0;
}

float Convert(float TempFer)
{
    float TempCel;
    TempCel = ((TempFer - 32) * 5) / 9;
    return TempCel;
}</source>
Please enter the temperature in Fahrenheit: 12
Here"s the temperature in Celsius: -11.1111

Read float numbers and assign them to an array

<source lang="cpp">#include <iostream> using namespace std; int main() {

    float temp[5];
    cout << "Please enter the temperature for day one \n";
    cin >> temp[0];
    cout << "Please enter the temperature for day one \n";
    cin >> temp[1];
    cout << "Please enter the temperature for day one \n";
    cin >> temp[2];
    cout << "Please enter the temperature for day one \n";
    cin >> temp[3];
    cout << "Please enter the temperature for day one \n";
    cin >> temp[4];
    cout << " The temperatures for the first five days is ";
    cout << temp[0] << ", " << temp[1] << ", "<< temp[2] << ", "<< temp[3] << ", "; 
    cout << temp[4] << endl; 
    return 0;

}</source>