Compilare: main.cpp: In function 'std::vector<int> multiplyPolynomials(std::vector<int>, std::vector<int>)': main.cpp:57:21: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 57 | for (int i = 0; i < n; i++) ca[i] *= cb[i]; | ~~^~~ main.cpp:61:21: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 61 | for (int i = 0; i < n; i++) r[i] = (int)round(ca[i].real()); | ~~^~~