Compilare: main.cpp: In function 'void dfs(int)': main.cpp:27:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | while(used[start] < v[start].size()) { | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void print()': main.cpp:46:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for(int i = 0; i < ord.size(); i++) | ~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:97:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 97 | if(intra[i] != v[i].size()) { ///avem de ajustat | ~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:98:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 98 | while(intra[i] < v[i].size()) { ///mai multe sa intre in el | ~~~~~~~~~^~~~~~~~~~~~~ main.cpp:103:31: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 103 | while(v[i].size() < intra[i]) { | ~~~~~~~~~~~~^~~~~~~~~~