Compilare: user.cpp:35:2: warning: no newline at end of file user.cpp: In function 'int find(long int)': user.cpp:17: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:29: warning: format '%u' expects type 'unsigned int*', but argument 2 has type 'long unsigned int*' user.cpp:32: warning: format '%u' expects type 'unsigned int', but argument 2 has type 'long unsigned int' user.cpp: In function 'int find(long int)': user.cpp:24: warning: control reaches end of non-void function