Compilare: user.cpp: In function ‘void Add(int, int)’: user.cpp:2:32: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] #define zeros(x) ((x ^ (x - 1) & x)) ^ user.cpp:12:35: note: in expansion of macro ‘zeros’ for(int i = x ; i <= n ; i += zeros(i) ) ^ user.cpp: In function ‘int Compute(int)’: user.cpp:2:32: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] #define zeros(x) ((x ^ (x - 1) & x)) ^ user.cpp:20:30: note: in expansion of macro ‘zeros’ for(i = x ; i > 0 ; i -= zeros(i) ) ^ user.cpp: In function ‘void Read()’: user.cpp:28:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:33:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^ user.cpp: In function ‘void Solve_it()’: user.cpp:46:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &op, &a); ^ user.cpp:50:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &b); ^ user.cpp:56:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &b); ^