Compilare: main.cpp: In function 'void bfs(dist)': main.cpp:31:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<dist>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(int i = 0; i < v[coada[inc].y].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:81:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<dist>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for(int i = 0; i < v[tr].size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp:92:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<dist>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | for(int i = 0; i < v[tr].size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp:99:14: warning: 'poz1' may be used uninitialized [-Wmaybe-uninitialized] 99 | lf[poz1] = l[poz].nr; | ~~~~~~~~~^~~~~~~~~~~ main.cpp:77:18: note: 'poz1' was declared here 77 | int poz = 1, poz1; | ^~~~