Eroare de compilare: main.cpp: In function 'int main()': main.cpp:19:10: error: 'i' was not declared in this scope 19 | for (i = 2; i <= n; ++i) | ^ main.cpp:20:10: error: 'j' was not declared in this scope 20 | for (j = 1; j <= i; ++j) { | ^ main.cpp:26:10: error: 'i' was not declared in this scope 26 | for (i = 1; i <= n; ++i) | ^ main.cpp:29:13: error: 'res' was not declared in this scope 29 | fout << res; | ^~~ Non zero exit status: 1