Eroare de compilare: main.cpp:4:1: error: 'ifstream' does not name a type 4 | ifstream fin ("pcost.in"); | ^~~~~~~~ main.cpp:5:1: error: 'ofstream' does not name a type 5 | ofstream fout ("pcost.out"); | ^~~~~~~~ main.cpp: In function 'int main()': main.cpp:14:5: error: 'fin' was not declared in this scope 14 | fin >> n; | ^~~ main.cpp:53:5: error: 'fout' was not declared in this scope 53 | fout << sum; | ^~~~ Non zero exit status: 1