Eroare de compilare: user.cpp:1:21: error: fstream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:15: warning: format ‘%s’ expects type ‘char*’, but argument 3 has type ‘char (*)[256]’ user.cpp:21: warning: comparison between signed and unsigned integer expressions user.cpp:31: error: ‘atoi’ was not declared in this scope user.cpp:38: error: ‘atoi’ was not declared in this scope user.cpp:52: error: ‘atoi’ was not declared in this scope user.cpp:59: error: ‘atoi’ was not declared in this scope user.cpp:67: warning: comparison between signed and unsigned integer expressions user.cpp:77: error: ‘atoi’ was not declared in this scope user.cpp:84: error: ‘atoi’ was not declared in this scope user.cpp:98: error: ‘atoi’ was not declared in this scope user.cpp:105: error: ‘atoi’ was not declared in this scope user.cpp:111: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘double’ user.cpp:10: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:15: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result