Eroare de compilare: main.cpp: In function 'int bfs(int, int)': main.cpp:41:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for (int i=0; i<path.size() - 1; i++) { | ~^~~~~~~~~~~~~~~~ main.cpp:46:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for (int i=0; i<path.size() -1; i++) { | ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:55:3: error: reference to 'cin' is ambiguous 55 | cin >> n >> m; | ^~~ In file included from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:75, from main.cpp:1: /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:4:10: note: 'std::ifstream cin' 4 | ifstream cin("maxflow.in"); | ^~~ main.cpp:58:5: error: reference to 'cin' is ambiguous 58 | cin >> x >> y >> c; | ^~~ /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:4:10: note: 'std::ifstream cin' 4 | ifstream cin("maxflow.in"); | ^~~ main.cpp:71:3: error: reference to 'cout' is ambiguous 71 | cout << maxflow; | ^~~~ /usr/include/c++/12.2.1/iostream:61:18: note: candidates are: 'std::ostream std::cout' 61 | extern ostream cout; /// Linked to standard output | ^~~~ main.cpp:5:10: note: 'std::ofstream cout' 5 | ofstream cout("maxflow.out"); | ^~~~ main.cpp: In function 'int bfs(int, int)': main.cpp:52:1: warning: control reaches end of non-void function [-Wreturn-type] 52 | } | ^ Non zero exit status: 1