Eroare de compilare: main.cpp: In function 'int main()': main.cpp:51:17: error: 'cout' was not declared in this scope 51 | cout<<n<<endl; | ^~~~ main.cpp:2:1: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 1 | #include <fstream> +++ |+#include <iostream> 2 | main.cpp:9:15: warning: unused variable 'o' [-Wunused-variable] 9 | int n,q,a,o=0,u=0,x; | ^ main.cpp:9:19: warning: unused variable 'u' [-Wunused-variable] 9 | int n,q,a,o=0,u=0,x; | ^ Non zero exit status: 1