Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:23: warning: suggest parentheses around assignment used as truth value user.cpp:23: warning: 3rd expression in for has no effect user.cpp:23: error: expected ‘)’ before ‘;’ token user.cpp:23: error: expected ‘;’ before ‘)’ token user.cpp:6: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:7: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result