Compilare: main.cpp: In function 'bool bfs(int, int)': main.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(int i=0; i<v[pz].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In function 'double dfs(int, int, double)': main.cpp:36:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for(int i=0; i<v[pz].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In function 'double maxflow(int, int)': main.cpp:58:18: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 58 | while(cur=dfs(S,D,200003.0)) | ~~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:72:11: warning: unused variable 'j' [-Wunused-variable] 72 | int i,j,m,k=0; | ^ main.cpp:72:15: warning: unused variable 'k' [-Wunused-variable] 72 | int i,j,m,k=0; | ^