Eroare de compilare: main.cpp:10:8: error: 'vector' was not declared in this scope 10 | vector<vector<int>> a(n+1); | ^~~~~~ main.cpp:6:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'? 5 | #include<fstream> +++ |+#include <vector> 6 | using namespace std; main.cpp:10:8: error: 'vector' was not declared in this scope 10 | vector<vector<int>> a(n+1); | ^~~~~~ main.cpp:10:8: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'? main.cpp:10:8: error: 'vector' was not declared in this scope main.cpp:10:8: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'? main.cpp:10:8: error: 'vector' was not declared in this scope main.cpp:10:8: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'? main.cpp:10:8: error: 'vector' was not declared in this scope main.cpp:10:8: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'? main.cpp:10:8: error: 'vector' was not declared in this scope main.cpp:10:8: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'? main.cpp:10:8: error: 'vector' was not declared in this scope main.cpp:10:8: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'? main.cpp:10:8: error: 'vector' was not declared in this scope main.cpp:10:8: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'? main.cpp:10:8: error: 'vector' was not declared in this scope main.cpp:10:8: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'? main.cpp:10:1: error: 'vector' does not name a type 10 | vector<vector<int>> a(n+1); | ^~~~~~ main.cpp:11:1: error: 'vector' does not name a type 11 | vector<int> viz(n+1,0); | ^~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:14:5: error: 'viz' was not declared in this scope 14 | viz[nod]=1; | ^~~ main.cpp:15:17: error: 'a' was not declared in this scope 15 | for(auto it:a[nod]) | ^ main.cpp: In function 'int main()': main.cpp:26:9: error: 'a' was not declared in this scope 26 | a[x].push_back(y); | ^ main.cpp:31:12: error: 'viz' was not declared in this scope 31 | if(viz[i]==0) | ^~~ Non zero exit status: 1