Eroare de compilare: main.cpp: In function 'int main()': main.cpp:8:1: error: 'cin' was not declared in this scope 8 | cin>>n; | ^~~ main.cpp:2:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 1 | #include <fstream> +++ |+#include <iostream> 2 | main.cpp:12:16: warning: array subscript has type 'char' [-Wchar-subscripts] 12 | sum+=f[s1]; | ^~ main.cpp:13:7: warning: array subscript has type 'char' [-Wchar-subscripts] 13 | f[s]++; | ^ main.cpp:15:1: error: 'cout' was not declared in this scope 15 | cout<<sum; | ^~~~ main.cpp:15:1: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? Non zero exit status: 1