Compilare: main.cpp: In function 'void add_componenta(std::vector<std::pair<int, int> >&, std::vector<std::pair<int, int> >&)': main.cpp:25:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | while(i1 < p.size() && i2 < n.size()){ | ~~~^~~~~~~~~~ main.cpp:25:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | while(i1 < p.size() && i2 < n.size()){ | ~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:78:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for(int i = 0; i < bits.size(); i++){ | ~~^~~~~~~~~~~~~ main.cpp:55:36: warning: variable 'smin' set but not used [-Wunused-but-set-variable] 55 | int dp[(1 << n)], p[(1 << n)], smin[(1 << n)]; | ^~~~ main.cpp:119:9: warning: unused variable 'sum' [-Wunused-variable] 119 | int sum = 0; | ^~~