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- //povrsine
- #include <iostream>
- #include <cmath>
- using namespace std;
- int main()
- {
- int a,b;
- char odabir;
- cout<<"A - pravokutnik\nB - kvadrat\nC - krug\nD - izlaz"<<endl;
- cin>>odabir;
- switch(odabir)
- {
- case 'A':
- case 'a':
- cout<<"Unesite duljine stranica"<<endl;
- cin>>a>>b;
- cout<<"Povrsina pravokutnika je "<<a*b<<endl;
- break;
- case 'B':
- case 'b':
- cout<<"Unesite duljinu stranice"<<endl;
- cin>>a;
- cout<<"Povrsina kvadrata je "<<a*a<<endl;
- break;
- case 'C':
- case 'c':
- cout<<"Unesite polumjer kruga"<<endl;
- cin>>a;
- cout<<"Povrsina kruga je "<<(a*a)*3.14<<endl;
- break;
- case 'D':
- case 'd':
- cout<<"kraj programa"<<endl;
- default:
- cout<<"Pogresan unos"<<endl;
- }
- return 0;
- }
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