Compilare: user.cpp: In function ‘int main()’: user.cpp:52: warning: format ‘%d’ expects type ‘int*’, but argument 3 has type ‘int’ user.cpp:56: warning: format ‘%s’ expects type ‘char*’, but argument 3 has type ‘char (*)[101]’ user.cpp:52: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:56: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:52: warning: ‘t’ is used uninitialized in this function