Compilare: main.cpp: In function 'int main()': main.cpp:122:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 122 | for(i=0;i<edges.size();i++) | ~^~~~~~~~~~~~~ main.cpp:75:11: warning: unused variable 'j' [-Wunused-variable] 75 | int i,j,x,y,cap,a,b,k=-1; | ^ main.cpp:75:25: warning: unused variable 'k' [-Wunused-variable] 75 | int i,j,x,y,cap,a,b,k=-1; | ^