Eroare de compilare: user.cpp:3:17: error: mem.h: No such file or directory user.cpp: In function 'int main()': user.cpp:10: error: expected primary-expression before '=' token user.cpp:11: error: 'memset' was not declared in this scope user.cpp:14: error: ISO C++ forbids comparison between pointer and integer user.cpp:14: error: invalid conversion from 'long long int*' to 'long long int' user.cpp:18: error: invalid operands of types 'long long int' and 'long long int*' to binary 'operator-' user.cpp:10: warning: label 'l' defined but not used