Compilare: user.cpp:58:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:8: warning: conversion lacks type at end of format user.cpp:8: warning: too many arguments for format user.cpp:26: warning: suggest parentheses around assignment used as truth value user.cpp:34: warning: suggest parentheses around assignment used as truth value user.cpp:17: warning: 'lol' may be used uninitialized in this function