Compilare: user.cpp: In function ‘void dynamic()’: user.cpp:27:28: warning: integer overflow in expression [-Woverflow] max1[i] = INF * (-1) ; ^ user.cpp:29:28: warning: integer overflow in expression [-Woverflow] max2[i] = INF * (-1) ; ^ user.cpp: In function ‘void solve()’: user.cpp:48:28: warning: integer overflow in expression [-Woverflow] int maximum = INF * (-1) ; ^ user.cpp: In function ‘void read()’: user.cpp:16:46: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( "maxsubsum.in" , "r" , stdin ) ; ^ user.cpp:17:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%lld %lld" , &N , &M ) ; ^ user.cpp:19:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%lld" , &V1[i] ) ; ^ user.cpp:21:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%lld" , &V2[i] ) ; ^