Eroare de compilare: main.cpp: In function 'std::ostream& operator<<(std::ostream&, Graf&)': main.cpp:80:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for (int j = 1; j < graf.matriceAdiacenta[i].size(); j++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFS(int, std::vector<int>&)': main.cpp:232:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 232 | for (int i = 1; i < matriceAdiacenta[nod].size(); i++) { // parcurgem nodurile adiacente nodului curent | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::vector<int> > Graf::muchiiCritice_neeficient()': main.cpp:281:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 281 | for (int j = 1; j < this->matriceAdiacenta[nod].size(); j++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::MuchieCritica(int, std::vector<int>&, std::vector<int>&, std::vector<int>&, std::vector<int>&, std::vector<std::vector<int> >&)': main.cpp:320:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 320 | for (int i = 1; i < matriceAdiacenta[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::sortare_topologica(int, std::vector<int>&, std::vector<int>&)': main.cpp:365:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 365 | for (int i = 1; i < matriceAdiacenta[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFS_darb(int, std::vector<int>&, int&, int&, int&)': main.cpp:520:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 520 | for (int i = 1; i < matriceAdiacenta[nod].size(); i++) { // parcurgem nodurile adiacente nodului curent | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::Euler()': main.cpp:546:5: error: 'stack' was not declared in this scope 546 | stack<int> stack; | ^~~~~ main.cpp:9:1: note: 'std::stack' is defined in header '<stack>'; did you forget to '#include <stack>'? 8 | #include <limits.h> +++ |+#include <stack> 9 | main.cpp:546:11: error: expected primary-expression before 'int' 546 | stack<int> stack; | ^~~ main.cpp: In function 'void infoarena_dfs()': main.cpp:585:15: warning: unused variable 'S' [-Wunused-variable] 585 | int N, M, S; | ^ main.cpp: In function 'void leetcode_CriticalConnections()': main.cpp:611:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 611 | for (int i = 0; i < result.size(); i++) { | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void havel_hakimi(std::vector<int>)': main.cpp:867:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 867 | for (int i = 0; i < grade.size() - 1; i++) { | ~~^~~~~~~~~~~~~~~~~~ main.cpp:868:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 868 | for (int j = i + 1; j < grade.size(); j++) { | ~~^~~~~~~~~~~~~~ Non zero exit status: 1