Compilare: user.cpp: In function ‘int lee_initia(int, int)’: user.cpp:21:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘bool lee(int, int, int, int, int, int, int)’: user.cpp:26:30: warning: unused variable ‘j’ [-Wunused-variable] int x_aa, y_aa, s, k, i, j; ^ user.cpp: In function ‘int dragoni(int, int, int)’: user.cpp:89:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:97:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("barbar.in","r",stdin); ^ user.cpp:98:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("barbar.out","w",stdout); ^