Задачи из книги Прата (представить значения с помощью символических констант)

#include <iostream>
using namespace std;
 
int main()
{
    cout << "Enter a latitude in degrees, minutes, and seconds:\n";
    cout << "First, enter the degrees: ";
    int degrees;
    cin >> degrees;
    cout << "Next, enter the minutes of arc: ";
    double minutes;
    cin >> minutes;
    cout << "Finally,enter the seconds of arc: ";
    double seconds;
    cin >> seconds;
    const char from_sec_in_min = 60;
    const char from_min_in_deg = 60;
    double min1 = seconds / from_sec_in_min; 
    double deg1 = min1 / from_min_in_deg;
    double latitude = degrees + deg1;
    cout << "37 degrees, 51 minutes, 19 seconds = " << latitude << " degrees.";
    cin.get();
    cin.get();
    return 0;
}

#include <iostream>
using namespace std;
 
int main()
{
    const double Sec_in_minute = 60;
    const double Minute_in_degrees = 60;
    system("chcp 1251");
 
    cout << "Enter a latitude  in degrees, minutes and seconds:"<<endl;
    cout << "First, enter the degrees: ";
    double degrees;
    cin >> degrees;
    cout << "Next, enter the minutes of arc: ";
    double minutes;
    cin >> minutes;
    cout << "Finally, enter the seconds of arc: ";
    double seconds;
    cin >> seconds;
 
    cout << degrees << " degrees, ";
    cout << minutes << " minutes, ";
    cout << seconds << " seconds = ";
 
    minutes = minutes + seconds / Sec_in_minute;
    degrees = degrees + minutes / Minute_in_degrees;
 
    cout << degrees << " degrees." << endl;
 
 
 
    system("PAUSE");
    return 0;
}

//Seconds.cpp -- программа переводит секунды в дни, часы, минуты и секунды
#include <iostream>
int main()
{
    using namespace std;
    cout << "напишите большое число, к примеру 31600000: ";
    long seconds;
    cin >> seconds;
    const int min_eq = 60;
    const int hour_eq = 60;
    const int day_eq = 24;
    int minutes = seconds / min_eq;
    int hours = minutes / hour_eq;
    int days = hours / day_eq;
    int sec_out = seconds % min_eq;
    int min_out = minutes % hour_eq;
    int hour_out = hours % day_eq;
    cout << seconds
         << "секунд = "
         << days
         << " дней, "
         << hour_out
         << " часов, "
         << min_out
         << " минут, "
         << sec_out
         <<" секунд.";
    return 0;
}

#include <iostream>
using namespace std;
int main()
{
    cout << "Enter a latitude in degrees, minutes and seconds:" << endl;
    cout << "First, enter the degrees: ";
    double degrees;
    double minutes;
    double seconds;
    cin >> degrees;
    cout << "Next, enter the minutes of arc: ";
    cin >> minutes;
    cout << "Finally, enter the seconds of arc: ";
    cin >> seconds;
 
    const char minutes_per_degree = {60};
    const char seconds_per_minute = {60};
    
    double minAndSec = minutes + seconds/seconds_per_minute;
    double degAndMin = degrees + minutes/minutes_per_degree;
    
    cout << degrees << " degrees, " << minutes << " minutes, " << seconds << " seconds = " << degAndMin << " degrees.";
    
    cin.get();
    cin.get();
    return 0;
}

#include <iostream>
using namespace std;
int main()
{
    setlocale (LC_ALL, "Russian");
    cout << "Введите количество секунд: ";
    long inputSeconds;
    cin >> inputSeconds;
    
    const int secInMin = 60;
    const int minInHour = 60;
    const int hoursInDay = 24;
    
    long outputSeconds = inputSeconds % secInMin;
    long outputMinutes = (inputSeconds / secInMin) % minInHour;
    long outputHours = ((inputSeconds / secInMin) / minInHour) % hoursInDay;
    long outputDays = ((inputSeconds / secInMin) / minInHour) / hoursInDay;
    
    
    cout << inputSeconds << " секунд равно " 
         << outputDays << " дней, " 
         << outputHours << " часов, " 
         << outputMinutes << " минут и " 
         << outputSeconds << " секунд!";
    
    cin.get();
    cin.get();
    return 0;
}

#include <iostream>
#include <cstring>
 
int main()
{
    using namespace std;
    const int ArrSize = 200;
    char str[ArrSize];
    std::cout << "Вводите слова, для завершиния введите done:\n";
 
 
    for (int i = 0; i < ArrSize; ++i)
    {
        cin >> str[i];
        if(str[i] == 'd')
        {
            ++i;
            cin >> str[i];
            if(str[i] == 'o')
            {
                ++i;
                cin >> str[i];
                if(str[i] == 'n')
                {
                    ++i;
                    cin >> str[i];
                    if(str[i] == 'o')
                        break;
                }
            }
        }
    }
 
   return 0;
}

#include <iostream>
#include <string>
 
 
int main()
{
using namespace std;
 
string word;
string matchword = "done";
int numwords=0;
 
cout << "Enter words (to stop, type the word done):\n";
cin >> word;
 
while(word != matchword)
{
    cin >> word;
    numwords++;
};
 
cout << "\nYou entered a total of " << numwords << " words.";
 
cin.get();
cin.get();
return 0;
}

#include <iostream>
#include <cstring>
using namespace std;
const int STR_LIM = 50;
int main()
{
    system("chcp 1251");
    system("title Ch.5 Ex.8");
 
    char word[STR_LIM];
    int count = 0;
    
    cout << "Enter words (to stop, type the word done):\n";
    
    while (cin >> word && strcmp("done", word))
        ++count;
 
    cout << "You entered a total of " << count << " words.\n";
 
 
    system("PAUSE");
    return 0;
}