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- #include <iostream>
- using namespace std;
- int obwod_trojkata(int a, int b, int c)
- {
- if (a+b<=c || a+c<=b || c+b<=a)
- {
- return -1;
- }
- else {
- return a+b+c;
- };
- }
- int main()
- {
- int a,b,c;
- cout<<"podaj dlugość bokow trojkata"<<endl;
- cin>>a;
- cin>>b;
- cin>>c;
- if (obwod_trojkata(a,b,c)==-1)
- {
- cout<<"nie da się utworzyć trojkata";
- }
- else
- {
- cout << obwod_trojkata(a,b,c);
- }
- return 0;
- }
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