Compilare: user.cpp: In instantiation of ‘void GraphStruct<NNodes, NEdges>::FindEulerian() [with int NNodes = 15; int NEdges = 50005]’: user.cpp:90:28: required from here user.cpp:63:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i+1<Ciclu.size(); ++i) { ~~~^~~~~~~~~~~~~ user.cpp: In instantiation of ‘void GraphStruct<NNodes, NEdges>::DFS(int) [with int NNodes = 15; int NEdges = 50005]’: user.cpp:55:12: required from ‘void GraphStruct<NNodes, NEdges>::FindEulerian() [with int NNodes = 15; int NEdges = 50005]’ user.cpp:90:28: required from here user.cpp:43:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(P[Index] < Node[Index].ADC.size()) { user.cpp:41:24: warning: unused variable ‘Dest’ [-Wunused-variable] int EdgeIndex, Dest; ^~~~