Compilare: main.cpp: In function 'int bfs()': main.cpp:24:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(i=0; i<adj[curr].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:63:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(i=0; i<adj[n].size(); i++) | ~^~~~~~~~~~~~~~ main.cpp:47:11: warning: unused variable 'h' [-Wunused-variable] 47 | int i,h,m,j,k,flow,totalflow=0,a,b,w,curr; | ^ main.cpp:47:15: warning: unused variable 'j' [-Wunused-variable] 47 | int i,h,m,j,k,flow,totalflow=0,a,b,w,curr; | ^ main.cpp: In function 'int bfs()': main.cpp:22:9: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized] 22 | if(i!=n) | ^~