Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:23:25: error: ‘stdin’ was not declared in this scope freopen(INFILE, "r", stdin); ^ user.cpp:23:30: error: ‘freopen’ was not declared in this scope freopen(INFILE, "r", stdin); ^ user.cpp:24:26: error: ‘stdout’ was not declared in this scope freopen(OUTFILE, "w", stdout); ^ user.cpp:26:25: error: ‘scanf’ was not declared in this scope scanf("%d %d", &n, &k); ^ user.cpp:59:22: error: ‘printf’ was not declared in this scope printf("%d\n", res); ^