Eroare de compilare: user.cpp:2:20: error: fstream.h: No such file or directory user.cpp: In function ‘void citire()’: 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 ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:12: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void init()’: user.cpp:25: error: ‘memset’ was not declared in this scope user.cpp:31: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘void rezolva()’: user.cpp:59: warning: suggest parentheses around ‘-’ inside ‘<<’ user.cpp: In function ‘void afisare()’: user.cpp:66: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result