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- #include <iostream>
- #include <stdio.h>
- #define _USE_MATH_DEFINES
- #include <math.h>
- using namespace std;
- int main ()
- {
- char x;
- double ctv, obdl1, obdl2, kruh;
- double obs_ctv, obv_ctv, obs_obdl, obv_obdl, obs_kruh, obv_kruh;
- cout << "Zadejte rovinny obrazec, jehoz obsah a obvod chcete spocitat: a - ctverec, b - obdelnik, c - kruh" << endl;
- cin >> x;
- switch (x)
- {
- case'a': cout <<"Zadejte stranu ctverce:"<< endl;
- cin >> ctv;
- obv_ctv = 4*ctv;
- obs_ctv = ctv*ctv;
- printf("Obsah ctverce je:%4.f\n", obs_ctv);
- printf("Obvod ctverce je:%.4f\n", obv_ctv);
- break;
- case 'b': cout <<"Zadejte strany obdelniku:"<< endl;
- cin >> obdl1;
- cin >> obdl2;
- obv_obdl = 2*obdl1 + 2*obdl2;
- obs_obdl = obdl1*obdl2;
- printf("Obsah obdelniku je:%4.f\n", obs_obdl);
- printf("Obvod obdelniku je:%4.f\n", obv_obdl);
- break;
- case 'c': cout <<"Zadejte polomer kruznice:"<< endl;
- cin >> kruh;
- obv_kruh = 2*M_PI*kruh;
- obs_kruh = M_PI*kruh*kruh;
- printf("Obsah kruznice je:%4.f\n", obs_kruh);
- printf("Obvod kruznice je:%4.f\n", obv_kruh);
- break;
- default: printf("Nespravny vstup.\n");
- }
- return 0;
- }
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