Compilare: main.cpp: In function 'void resetflow()': main.cpp:68:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | for(int j=0;j<graph[i].size();j++) | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:185:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 185 | for(int i=0;i<graph[dest].size();i++) | ~^~~~~~~~~~~~~~~~~~~