Compilare: main.cpp: In function 'int main()': main.cpp:52:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for(int i = 0; i < p.size(); i++){ | ~~^~~~~~~~~~ main.cpp:81:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for(int j = 0; j < f.size(); j++) v[i][j] = 5; | ~~^~~~~~~~~~ main.cpp:115:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 115 | for(int j = 0; j < f.size(); j++) nr = nr * exp_rpd(f[j], v[i][j]); | ~~^~~~~~~~~~