Compilare: user.cpp:43:2: warning: no newline at end of file user.cpp: In function 'int refresh()': user.cpp:8: warning: no return statement in function returning non-void user.cpp: At global scope: user.cpp:34: warning: ISO C++ forbids declaration of 'main' with no type user.cpp: In function 'int main()': user.cpp:38: warning: format '%d' expects type 'int*', but argument 2 has type 'long long int*' user.cpp: In function 'int refresh()': user.cpp:8: warning: control reaches end of non-void function user.cpp: In function 'int algoritm()': user.cpp:30: warning: control reaches end of non-void function user.cpp: In function 'int init()': user.cpp:13: warning: control reaches end of non-void function