Eroare de compilare: user.cpp: In function ‘void update(int, int)’: user.cpp:21: warning: suggest parentheses around arithmetic in operand of ‘^’ user.cpp: In function ‘int query(int)’: user.cpp:28: warning: suggest parentheses around arithmetic in operand of ‘^’ user.cpp: In function ‘int main()’: user.cpp:114: error: ‘memset’ was not declared in this scope user.cpp:109: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:110: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:111: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:121: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:126: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:134: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result