Eroare de compilare: user.cpp: In function ‘void citire()’: user.cpp:10: error: ‘i’ was not declared in this scope user.cpp: In function ‘void back(int)’: user.cpp:36: error: invalid conversion from ‘int*’ to ‘int’ user.cpp:37: error: invalid operands of types ‘int [12]’ and ‘int’ to binary ‘operator|’ user.cpp:39: error: incompatible types in assignment of ‘int’ to ‘int [12]’ user.cpp:42: error: ISO C++ forbids comparison between pointer and integer user.cpp: At global scope: user.cpp:48: error: expected declaration before ‘}’ token