Compilare: user.cpp: In function ‘void BFS(int)’: user.cpp:51:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<G[q[b]].size();i++){ ^ user.cpp: In function ‘void Euler(int)’: user.cpp:66:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<G[nod].size();i++) ^ user.cpp: In function ‘void Liniarizare(int)’: user.cpp:77:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<G[nod].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:108:40: warning: unused variable ‘rez’ [-Wunused-variable] int i,n,m,log,a,b,c,poz1,poz2,l,lca,rez,pas; ^ user.cpp:108:44: warning: unused variable ‘pas’ [-Wunused-variable] int i,n,m,log,a,b,c,poz1,poz2,l,lca,rez,pas; ^ user.cpp: In function ‘char nextch()’: user.cpp:13:30: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buf,1,MAXBUF,fi); ^