Compilare: main.cpp: In function 'void euler(int)': main.cpp:20:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | while (last_edge[startNode]<adj[startNode].size()){ | ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:51:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 51 | if (rez.size()!=m+1){ | ~~~~~~~~~~^~~~~ main.cpp:34:15: warning: unused variable 'j' [-Wunused-variable] 34 | int n,m,i,j,u,v; | ^