Compilare: main.cpp: In function 'int trimit(int, int, int, int*)': main.cpp:45:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for( ; start[u] < g[u].size() ; start[u]++) | ~~~~~~~~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:83:40: warning: narrowing conversion of '(& g.std::vector<std::vector<muchie> >::operator[](((std::vector<std::vector<muchie> >::size_type)v)))->std::vector<muchie>::size()' from 'std::vector<muchie>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing] 83 | g[u].push_back({v,0,f,g[v].size()}); | ~~~~~~~~~^~ main.cpp:84:42: warning: narrowing conversion of '((& g.std::vector<std::vector<muchie> >::operator[](((std::vector<std::vector<muchie> >::size_type)u)))->std::vector<muchie>::size() - 1)' from 'std::vector<muchie>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing] 84 | g[v].push_back({u,0,0,g[u].size()-1}); | ~~~~~~~~~~~^~