Eroare de compilare: main.cpp:18:10: error: 'stack' in namespace 'std' does not name a template type 18 | std::stack<int> s; | ^~~~~ main.cpp:4:1: note: 'std::stack' is defined in header '<stack>'; did you forget to '#include <stack>'? 3 | #include <queue> +++ |+#include <stack> 4 | main.cpp: In member function 'void Graph::dfs(int)': main.cpp:31:9: error: 's' was not declared in this scope 31 | s.push(k); | ^ main.cpp: In member function 'void Graph::tarjan(int)': main.cpp:81:9: error: 's' was not declared in this scope 81 | s.push(k); | ^ main.cpp: In member function 'std::vector<int> Graph::topologicalSort()': main.cpp:152:18: error: 's' was not declared in this scope 152 | while ( !s.empty() ){ | ^ main.cpp: In member function 'std::vector<int> Graph::DAG_distance(int)': main.cpp:245:18: error: 's' was not declared in this scope 245 | while ( !s.empty() ){ | ^ main.cpp: In member function 'std::vector<int> Graph::eulerianCycle(int)': main.cpp:257:16: error: 's' was not declared in this scope 257 | while(!s.empty()) | ^ main.cpp:259:9: error: 's' was not declared in this scope 259 | s.push(start); | ^ main.cpp: In function 'int main()': main.cpp:319:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 319 | for (int i = 0; i < cycle.size() - 1; ++i) { | ~~^~~~~~~~~~~~~~~~~~ Non zero exit status: 1