Compilare: main.cpp: In function 'std::vector<int> solve2(std::vector<int>&)': main.cpp:11:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | for(int i = 0;i < v.size();++i) | ~~^~~~~~~~~~ main.cpp:13:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for(int i = 0;i < ans.size() - 1;++i) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'std::vector<int> solve1(uint64_t)': main.cpp:45:26: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 45 | while(ans.size() < first) | ~~~~~~~~~~~^~~~~~~ main.cpp: In function 'int main()': main.cpp:66:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(int i = 0;i < ans.size() - 1;++i) | ~~^~~~~~~~~~~~~~~~ main.cpp:79:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for(int i = 0;i < ans.size() - 1;++i) | ~~^~~~~~~~~~~~~~~~