Eroare de compilare: main.cpp:8:10: error: conflicting declaration 'std::ofstream cin' 8 | ofstream cin("lca.out"); | ^~~ main.cpp:7:10: note: previous declaration as 'std::ifstream cin' 7 | ifstream cin("lca.in"); | ^~~ main.cpp: In function 'int main()': main.cpp:69:9: error: 'cout' was not declared in this scope 69 | cout<<lca(u,v)<<"\n"; | ^~~~ main.cpp:3:1: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 2 | #include<vector> +++ |+#include <iostream> 3 | using namespace std; main.cpp:52:11: warning: unused variable 'j' [-Wunused-variable] 52 | int i,j,n,m,u,v; | ^ Non zero exit status: 1