Compilare: main.cpp: In function 'int flux(int)': main.cpp:69:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | for(int i = 1; i < drum_c.size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp:76:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int i = 1; i < drum_c.size(); i++) | ~~^~~~~~~~~~~~~~~