Compilare: main.cpp: In function 'int rotunda()': main.cpp:70:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for(int j = 0 ; j < v.size() ; ++j) | ~~^~~~~~~~~~ main.cpp:69:9: warning: variable 'st' set but not used [-Wunused-but-set-variable] 69 | int st , dr, smax = -2000000000 , s = 0, start; | ^~ main.cpp:69:14: warning: variable 'dr' set but not used [-Wunused-but-set-variable] 69 | int st , dr, smax = -2000000000 , s = 0, start; | ^~