Compilare: main.cpp: In member function 'void Cuplaj::compute_cuplaj()': main.cpp:32:27: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for (i = 1; i < st.size(); i++) | ~~^~~~~~~~~~~ main.cpp:38:23: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for (i = 1; i < st.size(); i++) | ~~^~~~~~~~~~~ main.cpp:42:23: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for (i = 1; i < st.size(); i++) | ~~^~~~~~~~~~~ main.cpp: In member function 'bool Cuplaj::expand_cuplaj(int64_t)': main.cpp:52:23: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for (i = 0; i < g[node].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:62:23: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for (i = 0; i < g[node].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Cuplaj::print_result()': main.cpp:78:23: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for (i = 0; i < result.size(); i++) | ~~^~~~~~~~~~~~~~~