Borderou de evaluare (job #139027)

Compilare: user.cpp: In function ‘void fitoa(long long unsigned int)’: user.cpp:17:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int fitoa2()’: user.cpp:29:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:39:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:49:1: warning: no return statement in function returning non-void [-Wreturn-type] user.cpp: In function ‘int main()’: user.cpp:52:28: warning: unused variable ‘i’ [-Wunused-variable]