Eroare de compilare: user.cpp:52:12: warning: multi-character character constant user.cpp: In function ‘int main()’: user.cpp:52: error: invalid conversion from ‘int’ to ‘const char*’ user.cpp:52: error: initializing argument 1 of ‘int printf(const char*, ...)’ user.cpp:52: warning: format not a string literal and no format arguments user.cpp:9: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:10: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result