Compilare: user.cpp: In function ‘void upd(long long unsigned int, long long unsigned int, long long unsigned int, long long unsigned int, long long unsigned int, bool)’: user.cpp:114:14: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] int mid = l + r >> 1; ^ user.cpp: In function ‘long long unsigned int qry(long long unsigned int, long long unsigned int, long long unsigned int, long long unsigned int, long long unsigned int, bool)’: user.cpp:126:15: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] int mid = tl + tr >> 1; ^ user.cpp: In function ‘int32_t main()’: user.cpp:135:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("nrsubsecv.in","r",stdin); ^ user.cpp:136:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("nrsubsecv.out","w",stdout); ^