Compilare: user.cpp: In function ‘int main()’: user.cpp:112:14: warning: overflow in implicit constant conversion [-Woverflow] v[i] = MAXVAL; ^ user.cpp:119:56: warning: overflow in implicit constant conversion [-Woverflow] lazyUpdate (1, 1, np2, rem.pos, rem.pos, MAXVAL); ^ user.cpp:98:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("biscuiti.in", "r", stdin); ^ user.cpp:99:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("biscuiti.out", "w", stdout); ^ user.cpp:101:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &N); ^ user.cpp:108:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &v[i]); ^