Compilare: main.cpp: In function 'void bfs(int)': main.cpp:17:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(int i=1;i<timp.size();i++) | ~^~~~~~~~~~~~ main.cpp:25:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(int i=0;i<graf[nod].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:40:11: warning: unused variable 'm' [-Wunused-variable] 40 | int n,m,i,j,k,x,maxim=-1,nod_max; | ^ main.cpp:40:19: warning: unused variable 'x' [-Wunused-variable] 40 | int n,m,i,j,k,x,maxim=-1,nod_max; | ^ main.cpp:63:8: warning: 'nod_max' may be used uninitialized [-Wmaybe-uninitialized] 63 | bfs(nod_max); | ~~~^~~~~~~~~ main.cpp:40:30: note: 'nod_max' was declared here 40 | int n,m,i,j,k,x,maxim=-1,nod_max; | ^~~~~~~