Compilare: user.cpp: In function ‘int main()’: user.cpp:14: warning: format ‘%s’ expects type ‘char*’, but argument 3 has type ‘char (*)[270]’ user.cpp:16: warning: comparison between signed and unsigned integer expressions user.cpp:17: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:81: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:12: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:14: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:93: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result