Eroare de compilare: main.cpp:4:1: error: 'ifstream' does not name a type 4 | ifstream cin("custi.in"); | ^~~~~~~~ main.cpp:5:1: error: 'ofstream' does not name a type 5 | ofstream cout("custi.out"); | ^~~~~~~~ main.cpp: In function 'int main()': main.cpp:12:4: error: 'cin' was not declared in this scope 12 | cin>>n; | ^~~ main.cpp:4:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 3 | #include <cmath> +++ |+#include <iostream> 4 | ifstream cin("custi.in"); main.cpp:48:17: error: 'cout' was not declared in this scope 48 | cout<<fr[i]<<"\n"; | ^~~~ main.cpp:48:17: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? Non zero exit status: 1