Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:47:9: error: ‘f’ was not declared in this scope f[a[i]] = 1; ^ user.cpp:56:20: error: ‘f’ was not declared in this scope if(f[d1]){ ^ user.cpp:63:24: error: ‘f’ was not declared in this scope if(f[d1]){ ^ user.cpp:52:14: warning: unused variable ‘ok’ [-Wunused-variable] bool ok = 0; ^ user.cpp:39:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("autobuze.in", "r", stdin); ^ user.cpp:40:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("autobuze.out", "w", stdout); ^ user.cpp:41:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:43:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i]); ^