Compilare: main.cpp: In function 'int bfs(int, int, std::vector<int>&)': main.cpp:12:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | for(int j=0;j<parent.size();j++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int max_flow(int, int)': main.cpp:37:16: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 37 | while( flow=bfs(source,destination,parent)){ | ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~