Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:23: error: invalid conversion from ‘int’ to ‘const char*’ user.cpp:23: error: initializing argument 1 of ‘int printf(const char*, ...)’ user.cpp:23: warning: format not a string literal and no format arguments user.cpp:15: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:16: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result