Compilare: main.cpp: In function 'void euler(int)': main.cpp:27:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | while(prim[u] < g[u].size()) { | ~~~~~~~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:58:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 58 | if(ciclu_eulerian.size() != m + 1) { | ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~ main.cpp:63:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int i = 0; i < ciclu_eulerian.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~