Compilare: main.cpp: In function 'std::vector<int> solve(std::vector<int>)': main.cpp:30:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int j = 2;j < sums.size();++j) | ~~^~~~~~~~~~~~~ main.cpp:41:57: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(int k = 0;k < tmp.size();++k) | ~~^~~~~~~~~~~~ main.cpp:46:43: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 46 | if(tmp.size() + 1 == n && mp.empty()) | ~~~~~~~~~~~~~~~^~~~ main.cpp:49:49: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(int j = 0;j < tmp.size();++j) | ~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:74:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for(int i = 0;i < ans.size();++i) | ~~^~~~~~~~~~~~