Compilare: user.cpp: In function ‘void init(int, int, int)’: user.cpp:61: warning: comparison between signed and unsigned integer expressions user.cpp:61: warning: comparison between signed and unsigned integer expressions user.cpp:70: warning: comparison between signed and unsigned integer expressions user.cpp:73: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:171: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘void update(int, int, int)’: user.cpp:99: warning: ‘rez’ may be used uninitialized in this function