Compilare: user.cpp:29:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:10: warning: conversion lacks type at end of format user.cpp:10: warning: too many arguments for format user.cpp:13: warning: conversion lacks type at end of format user.cpp:13: warning: too many arguments for format user.cpp:18: warning: unknown conversion type character 0xa in format user.cpp:18: warning: too many arguments for format user.cpp:22: warning: unknown conversion type character 0xa in format user.cpp:22: warning: too many arguments for format user.cpp:24: warning: unknown conversion type character 0xa in format user.cpp:24: warning: too many arguments for format