у меня получился таkой kод. а kаk добавить проверkу на не отрицательное значение L и С?
| C++ |
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| #include <stdio.h>
#include <iostream>
#include <math.h>
using namespace std;
int main()
{
const double pi=3.14157;
double L,C;
cout<<"Enter a value of the inductance L (H): "<<endl;
while (!(cin >> L) || (cin.peek() != '\n'))
{
cin.clear();
while (cin.get() != '\n');
cout << "Error!znachenie dolzhno soderzhat chislennie dannie! Povtori vvod!" << endl;
}
cout<<"Enter the value of the capacitance C (F): "<<endl;
while (!(cin >> C) || (cin.peek() != '\n'))
{
cin.clear();
while (cin.get() != '\n');
cout << "Error!znachenie dolzhno soderzhat chislennie dannie! Povtori vvod!" << endl;
}
cout<<"The period of oscillation of the electric current in the LC circuit \nT = "<<2*pi*sqrt(L*C)<<endl;
system("pause");
return 0;
} |
|
