Borderou de evaluare (job #99234)

Compilare: user.cpp: In function ‘char* itoa(int)’: user.cpp:7:10: warning: address of local variable ‘aux’ returned [enabled by default] user.cpp:8:9: warning: unused variable ‘i’ [-Wunused-variable] user.cpp: In function ‘int main()’: user.cpp:29:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:30:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:32:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]