Compilare: user.cpp: In function ‘bool check(int)’: user.cpp:21:27: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] mode * a[i+lat>>1][j+lat>>1] <= X) return 1; ^ user.cpp:21:37: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] mode * a[i+lat>>1][j+lat>>1] <= X) return 1; ^ user.cpp: In function ‘void get_number(int&)’: user.cpp:32:46: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buffer , 1 , Bsize , stdin); ^ user.cpp:43:46: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buffer , 1 , Bsize , stdin); ^ user.cpp: In function ‘int main()’: user.cpp:52:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("plantatii.in","r",stdin); ^ user.cpp:53:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("plantatii.out","w",stdout); ^ user.cpp:55:38: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buffer , 1 , Bsize , stdin); p = 0; ^