Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:54: warning: suggest parentheses around assignment used as truth value user.cpp:54: warning: 3rd expression in for has no effect user.cpp:54: error: expected ‘)’ before ‘;’ token user.cpp:54: error: expected primary-expression before ‘)’ token user.cpp:54: error: expected ‘;’ before ‘)’ token user.cpp:60: error: ‘else’ without a previous ‘if’ user.cpp:44: warning: unused variable ‘ok’ user.cpp:19: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:20: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result