Compilare: main.cpp: In function 'int bfs()': main.cpp:26:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for(i=0; i<adj[curr].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int bfs(int)': main.cpp:69:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | for(i=0;i<adj[curr].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:80:1: warning: no return statement in function returning non-void [-Wreturn-type] 80 | } | ^ main.cpp: In function 'int main()': main.cpp:100:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 100 | for(i=0; i<adj[n].size(); i++) | ~^~~~~~~~~~~~~~ main.cpp:152:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 152 | for(i=0;i<vec.size();i++) | ~^~~~~~~~~~~ main.cpp:85:11: warning: unused variable 'j' [-Wunused-variable] 85 | int i,j,k,l,m,a,b,w,flow,pos,curr,fluximus=0; | ^ main.cpp:85:15: warning: unused variable 'l' [-Wunused-variable] 85 | int i,j,k,l,m,a,b,w,flow,pos,curr,fluximus=0; | ^ main.cpp: In function 'int bfs(int)': main.cpp:63:19: warning: 'k' is used uninitialized in this function [-Wuninitialized] 63 | suma[x]=suma[k]+val; | ~~~~~~^