Eroare de compilare: main.cpp:9:1: error: expected initializer before 'int' int n, ans; ^~~ main.cpp: In function 'int main()': main.cpp:13:10: error: 'n' was not declared in this scope fin >> n; ^ main.cpp:15:10: error: 'v' was not declared in this scope if (!v[i]) ^ main.cpp:18:9: error: 'ans' was not declared in this scope ans +=j - 1; ^~~ main.cpp:20:11: error: 'ans' was not declared in this scope fout << ans; ^~~ Non zero exit status: 1