Compilare: main.cpp: In function 'void dfs(int)': main.cpp:20:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(int i = 0; i < g[node].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int bfs(int)': main.cpp:44:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(int i = 0; i < g[curent].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:77:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | for(int i = 0; i < start.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:100:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 100 | for(int i = 0; i < muchii.size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int bfs(int)': main.cpp:51:12: warning: 'min_node' may be used uninitialized [-Wmaybe-uninitialized] 51 | return min_node; | ^~~~~~~~ main.cpp:31:9: note: 'min_node' was declared here 31 | int min_node; | ^~~~~~~~