Compilare: main.cpp: In function 'int main()': main.cpp:45:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(int j=0;j<g[i].size();j++) | ~^~~~~~~~~~~~ main.cpp:67:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for(int j=0;j<ctc[i].size();j++) | ~^~~~~~~~~~~~~~ main.cpp:72:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for(int i=0;i<postordine.size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:79:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for(int i=0;i<g[x].size();i++) | ~^~~~~~~~~~~~ main.cpp: In function 'void dfst(int)': main.cpp:92:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | for(int i=0;i<gt[x].size();i++) | ~^~~~~~~~~~~~~