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- #include <iostream>
- #include <iomanip>
- using namespace std;
- int main(int argc, char** argv) {
- int zmienna;
- double U,I,R,W,q,P;
- start:
- cout << "Co chcesz obliczyc ?" << endl << " " << endl << " Oblicz prad: 1 "<< endl<< " Oblicz napiecie: 2 "<< endl<< " Oblicz rezystancje: 3 "<< endl;
- cout << " " << endl;
- cout << "Twoj wybor to: " ;
- cin >> zmienna;
- cout << " " << endl;
- switch(zmienna)
- { case 1:
- cout << "Prad" << endl<<"Podaj napiecie (V): ";
- cin >> U;
- if (U<=0)
- {cout << "Zla wartosc" ;}
- else{
- cout << "Podaj natezenie (A): " ;
- cin >> I;
- if (I<= 0){
- cout << "Zla wartosc" ;}
- else{
- P= U*I;
- cout << "Moc pradu wynosi: "<< setprecision(5) << P << " Wat/Waty/Watow" ;}} break;
- case 2:
- cout << "Napiecie" << endl<< "Podaj prace (J): ";
- cin >> W;
- if (W<=0){
- cout << "Zla wartosc" ;}
- else{
- cout << "Podaj przeplywajacy ladunek (C): " ;
- cin >> q;
- if (q<= 0){
- cout << "Zla wartosc" ;}
- else{
- U= W/q;
- cout << "Napiecie wynosi: "<< setprecision(5) << U << " Volt/Volty/Voltow" ;}} break;
- case 3:
- cout << "Rezystancja" << endl<< "Podaj napiecie pradu elektrycznego (V): ";
- cin >> U;
- if (U<=0){
- cout << "Zla wartosc" ;}
- else{
- cout << "Podaj natezenie pradu (A): " ;
- cin >> I;
- if (I<= 0){
- cout << "Zla wartosc" ;}
- else{
- R= U/I;
- cout << "Rezystancja wynosi: "<< setprecision(5) << R << " Om/Omy/Omow" ;}} break;
- default:
- cout<<"Podales zly numer"<<endl<<endl; goto start;}}
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