roata.cpp: In function `int main()': roata.cpp:20: warning: int format, different type arg (arg 2) roata.cpp:33: warning: comparison between signed and unsigned integer expressions roata.cpp:52: warning: comparison between signed and unsigned integer expressions roata.cpp:70: warning: int format, different type arg (arg 2) roata.cpp:31: warning: `long long unsigned int retine' might be used uninitialized in this function