Compilare: main.cpp: In function 'void dfs1(int)': main.cpp:12:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | for( i = 0; i < v[x].size(); i++ ){ | ~~^~~~~~~~~~~~~ main.cpp: In function 'void dfs2(int)': main.cpp:22:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | while( is[x] < v[x].size() ){ | ~~~~~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:60:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for( i = 0; i < ras.size(); i++ ){ | ~~^~~~~~~~~~~~